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implementation problems
Problem Name Online Judge Year Contest Difficulty Level
1 Prison Transfer Categories Codeforces Codeforces Round #244 (Div. 2) 1
2 Keyboard Categories Codeforces Codeforces Round #271 (Div. 2) 1
3 Valera and Plates Categories Codeforces Codeforces Round #216 (Div. 2) 1
4 Bear and Big Brother Categories Codeforces Codeforces Round #405 (rated, Div. 2, based on VK Cup 2017 Round 1) 1
5 Find Extra One Categories Codeforces Codeforces Round #450 (Div. 2) 1
6 Cookies Categories Codeforces Codeforces Beta Round #94 (Div. 2 Only) 1
7 Life Without Zeros Categories Codeforces Codeforces Beta Round #67 (Div. 2) 1
8 Borya's Diagnosis Categories Codeforces Codeforces Round #443 (Div. 2) 1
9 Army Categories Codeforces School Personal Contest #1 (Winter Computer School 2010/11) - Codeforces Beta Round #38 (ACM-ICPC Rules) 1
10 String Task Categories Codeforces Codeforces Beta Round #89 (Div. 2) 1
11 Borze Categories Codeforces Codeforces Beta Round #32 (Div. 2, Codeforces format) 1
12 An abandoned sentiment from past Categories Codeforces Codeforces Round #418 (Div. 2) 1
13 Free Cash Categories Codeforces Codeforces Round #147 (Div. 2) 1
14 Vladik and flights Categories Codeforces Codeforces Round #384 (Div. 2) 1
15 Nearly Lucky Number Categories Codeforces Codeforces Beta Round #84 (Div. 2 Only) 1
16 Queue Categories Codeforces Codeforces Round #303 (Div. 2) 1
17 Appleman and Easy Task Categories Codeforces Codeforces Round #263 (Div. 2) 1
18 Initial Bet Categories Codeforces Codeforces Round #273 (Div. 2) 1
19 Patrick and Shopping Categories Codeforces Codeforces Round #332 (Div. 2) 1
20 Exam Categories Codeforces Codeforces Round #298 (Div. 2) 1
21 Inbox (100500) Categories Codeforces Codeforces Round #265 (Div. 2) 1
22 Team Categories Codeforces Codeforces Round #143 (Div. 2) 1
23 Word Categories Codeforces Codeforces Beta Round #55 (Div. 2) 1
24 Magic Numbers Categories Codeforces Codeforces Round #189 (Div. 2) 1
25 Bear and Elections Categories Codeforces Codeforces Round #318 [RussianCodeCup Thanks-Round] (Div. 2) 1
26 Chewba?ca and Number Categories Codeforces Codeforces Round #291 (Div. 2) 1
27 Cinema Line Categories Codeforces Codeforces Round #202 (Div. 2) 1
28 Bit++ Categories Codeforces Codeforces Round #173 (Div. 2) 1
29 Memory and Crow Categories Codeforces Codeforces Round #370 (Div. 2) 1
30 Winner Categories Codeforces Codeforces Beta Round #2 1
31 Berland National Library Categories Codeforces Codeforces Round #Pi (Div. 2) 1
32 Wet Shark and Odd and Even Categories Codeforces Codeforces Round #341 (Div. 2) 1
33 Vanya and Books Categories Codeforces Codeforces Round #308 (Div. 2) 1
34 Helpful Maths Categories Codeforces Codeforces Round #197 (Div. 2) 1
35 Choosing Teams Categories Codeforces Codeforces Round #246 (Div. 2) 1
36 Cakeminator Categories Codeforces Codeforces Round #192 (Div. 2) 1
37 Queue at the School Categories Codeforces Codeforces Round #163 (Div. 2) 1
38 Ilya and Bank Account Categories Codeforces Codeforces Round #186 (Div. 2) 1
39 Amusing Joke Categories Codeforces Codeforces Round #101 (Div. 2) 1
40 Bulbs Categories Codeforces Codeforces Round #338 (Div. 2) 1
41 Quasi Binary Categories Codeforces Codeforces Round #300 1
42 Brain's Photos Categories Codeforces Codeforces Round #368 (Div. 2) 1
43 Snacktower Categories Codeforces Codeforces Round #398 (Div. 2) 1
44 Tram Categories Codeforces Codeforces Beta Round #87 (Div. 2 Only) 1
45 Fibonacci Freeze Categories UVA 1
46 Playing with Paper Categories Codeforces Codeforces Round #296 (Div. 2) 1
47 Luxurious Houses Categories Codeforces Codeforces Round #322 (Div. 2) 1
48 A and B and Chess Categories Codeforces Codeforces Round #294 (Div. 2) 1
49 Jzzhu and Children Categories Codeforces Codeforces Round #257 (Div. 2) 1
50 Present from Lena Categories Codeforces Codeforces Beta Round #89 (Div. 2) 1
51 Bear and Five Cards Categories Codeforces Codeforces Round #356 (Div. 2) 1
52 Soft Drinking Categories Codeforces Codeforces Round #107 (Div. 2) 1
53 Maximum in Table Categories Codeforces Codeforces Round #289 (Div. 2, ACM ICPC Rules) 1
54 Coder Categories Codeforces Codeforces Round #225 (Div. 2) 1
55 Opponents Categories Codeforces Codeforces Round #360 (Div. 2) 1
56 Next Round Categories Codeforces VK Cup 2012 Qualification Round 1 1
57 Normalized Form Categories Live Archive 2010 Africa/Middle East - Arab Contest 1
58 Bachgold Problem Categories Codeforces Codeforces Round #388 (Div. 2) 1
59 Double Cola Categories Codeforces Yandex.Algorithm 2011 Qualification 2 1
60 Round House Categories Codeforces Codeforces Round #346 (Div. 2) 1
61 New Year Candles Categories Codeforces Good Bye 2013 1
62 Worms Categories Codeforces Codeforces Round #271 (Div. 2) 1
63 Anton and Polyhedrons Categories Codeforces Codeforces Round #404 (Div. 2) 1
64 Far Relative’s Birthday Cake Categories Codeforces Codeforces Round #343 (Div. 2) 1
65 Watching a movie Categories Codeforces Codeforces Round #284 (Div. 2) 1
66 Devu, the Singer and Churu, the Joker Categories Codeforces Codeforces Round #251 (Div. 2) 1
67 Given Length and Sum of Digits... Categories Codeforces Codeforces Round #277.5 (Div. 2) 1
68 Arya and Bran Categories Codeforces Codeforces Round #428 (Div. 2) 1
69 Different is Good Categories Codeforces Codeforces Round #352 (Div. 2) 1
70 Memory and Trident Categories Codeforces Codeforces Round #370 (Div. 2) 1
71 Petya and Strings Categories Codeforces Codeforces Beta Round #85 (Div. 2 Only) 1
72 Soldier and Bananas Categories Codeforces Codeforces Round #304 (Div. 2) 1
73 George and Accommodation Categories Codeforces Codeforces Round #267 (Div. 2) 1
74 Shaass and Oskols Categories Codeforces Codeforces Round #178 (Div. 2) 1
75 Karen and Morning Categories Codeforces Codeforces Round #419 (Div. 2) 1
76 Insomnia cure Categories Codeforces Codeforces Round #105 (Div. 2) 1
77 Arm Wrestling Tournament Categories Live Archive 2010 Asia - Jakarta 1
78 Pashmak and Garden Categories Codeforces Codeforces Round #261 (Div. 2) 1
79 Multiplication Table Categories Codeforces Codeforces Round #319 (Div. 2) 1
80 DZY Loves Strings Categories Codeforces Codeforces Round #255 (Div. 2) 1
81 TL Categories Codeforces Codeforces Round #203 (Div. 2) 1
82 Candy Bags Categories Codeforces Codeforces Round #194 (Div. 2) 1
83 Perfect Permutation Categories Codeforces Codeforces Round #144 (Div. 2) 1
84 Supercentral Point Categories Codeforces Codeforces Round #112 (Div. 2) 1
85 Lights Out Categories Codeforces Codeforces Round #168 (Div. 2) 1
86 Valera and Antique Items Categories Codeforces Codeforces Round #252 (Div. 2) 1
87 Vanya and Cubes Categories Codeforces Codeforces Round #280 (Div. 2) 1
88 Xenia and Ringroad Categories Codeforces Codeforces Round #197 (Div. 2) 1
89 Buttons Categories Codeforces Codeforces Round #164 (Div. 2) 1
90 Ilya and Queries Categories Codeforces Codeforces Round #186 (Div. 2) 1
91 Taymyr is calling you Categories Codeforces Codeforces Round #395 (Div. 2) 1
92 Ilya and Diplomas Categories Codeforces Codeforces Round #311 (Div. 2) 1
93 Face Detection Categories Codeforces Looksery Cup 2015 1
94 Calculating Function Categories Codeforces Codeforces Round #277 (Div. 2) 1
95 Roma and Lucky Numbers Categories Codeforces Codeforces Round #160 (Div. 2) 1
96 Array Categories Codeforces Codeforces Round #181 (Div. 2) 1
97 Taxi Categories Codeforces VK Cup 2012 Qualification Round 1 1
98 Greed Categories Codeforces Codeforces Round #446 (Div. 2) 1
99 Caisa and Sugar Categories Codeforces Codeforces Round #264 (Div. 2) 1
100 A and B and Compilation Errors Categories Codeforces Codeforces Round #294 (Div. 2) 1
101 Jzzhu and Sequences Categories Codeforces Codeforces Round #257 (Div. 2) 1
102 Team Categories Codeforces Codeforces Round #235 (Div. 2) 1
103 Domino Categories Codeforces Codeforces Round #205 (Div. 2) 1
104 Building Permutation Categories Codeforces Codeforces Round #175 (Div. 2) 1
105 Epic Game Categories Codeforces Codeforces Beta Round #90 1
106 Free Ice Cream Categories Codeforces Codeforces Round #359 (Div. 2) 1
107 The Artful Expedient Categories Codeforces Codeforces Round #439 (Div. 2) 1
108 Wachovia Bank Categories SPOJ 1
109 Vitaly and Night Categories Codeforces Codeforces Round #330 (Div. 2) 1
110 Magnets Categories Codeforces Codeforces Round #200 (Div. 2) 1
111 Queue on Bus Stop Categories Codeforces Codeforces Round #249 (Div. 2) 1
112 Is your horseshoe on the other hoof? Categories Codeforces Codeforces Round #141 (Div. 2) 1
113 Dima and Friends Categories Codeforces Codeforces Round #167 (Div. 2) 1
114 Simple Equations Categories UVA 1
115 Scarborough Fair Categories Codeforces Codeforces Round #449 (Div. 2) 1
116 Tanya and Toys Categories Codeforces Codeforces Round #346 (Div. 2) 1
117 Anton and Letters Categories Codeforces Codeforces Round #253 (Div. 2) 1
118 Colorful Stones (Simplified Edition) Categories Codeforces Codeforces Round #162 (Div. 2) 1
119 Petr and Book Categories Codeforces Codeforces Beta Round #99 (Div. 2) 1
120 Vladik and Courtesy Categories Codeforces Codeforces Round #416 (Div. 2) 1
121 Shell Game Categories Codeforces Codeforces Round #401 (Div. 2) 1
122 Currency System in Geraldion Categories Codeforces Codeforces Round #313 (Div. 2) 1
123 New Year Transportation Categories Codeforces Good Bye 2014 1
124 Devu, the Dumb Guy Categories Codeforces Codeforces Round #251 (Div. 2) 1
125 GukiZ and Contest Categories Codeforces Codeforces Round #307 (Div. 2) 1
126 Team Olympiad Categories Codeforces Codeforces Round #279 (Div. 2) 1
127 Black Square Categories Codeforces Codeforces Round #247 (Div. 2) 1
128 Summer Camp Categories Codeforces Codeforces Round #352 (Div. 2) 1
129 Soldier and Badges Categories Codeforces Codeforces Round #304 (Div. 2) 1
130 Balloons Colors Categories A2 Online Judge 1
131 Tavas and Nafas Categories Codeforces Codeforces Round #299 (Div. 2) 1
132 Fedor and New Game Categories Codeforces Codeforces Round #267 (Div. 2) 1
133 Lucky Sum of Digits Categories Codeforces Codeforces Beta Round #84 (Div. 1 Only) & Codeforces Beta Round #84 (Div. 2 Only) 1
134 Timofey and cubes Categories Codeforces Codeforces Round #395 (Div. 2) 1
135 Ws Cipher Categories SPOJ 1
136 Pashmak and Flowers Categories Codeforces Codeforces Round #261 (Div. 2) 1
137 Rewards Categories Codeforces Codeforces Round #256 (Div. 2) 1
138 Anastasia and pebbles Categories Codeforces Codeforces Round #407 (Div. 2) 1
139 Meteoros Categories SPOJ Brazil 1
140 Amr and Music Categories Codeforces Codeforces Round #287 (Div. 2) 1
141 Circle Line Categories Codeforces Codeforces Round #170 (Div. 2) 1
142 Marks Categories Codeforces Codeforces Round #108 (Div. 2) 1
143 Omar Categories A2 Online Judge 1
144 Chips Categories Codeforces Codeforces Beta Round #75 (Div. 2 Only) 1
145 A Good Contest Categories Codeforces Codeforces Round #357 (Div. 2) 1
146 HQ9+ Categories Codeforces Codeforces Beta Round #96 (Div. 2) 1
147 Registration System Categories Codeforces Codeforces Beta Round #4 (Div. 2 Only) 1
148 OR in Matrix Categories Codeforces Codeforces Round #277 (Div. 2) 1
149 MUH and Sticks Categories Codeforces Codeforces Round #269 (Div. 2) 1
150 Beautiful Matrix Categories Codeforces Codeforces Round #161 (Div. 2) 1
151 Presents Categories Codeforces Codeforces Beta Round #97 (Div. 2) 1
152 Generous Kefa Categories Codeforces Codeforces Round #429 (Div. 2) 1
153 Drazil and Factorial Categories Codeforces Codeforces Round #292 (Div. 2) & Codeforces Round #292 (Div. 1) 1
154 Odds and Ends Categories Codeforces Codeforces Round #431 (Div. 2) 1
155 Area of a Circle Categories URI 1
156 A and B and Team Training Categories Codeforces Codeforces Round #294 (Div. 2) 1
157 Game With Sticks Categories Codeforces Codeforces Round #258 (Div. 2) 1
158 Vanya and Fence Categories Codeforces Codeforces Round #355 (Div. 2) 1
159 Young Physicist Categories Codeforces Codeforces Beta Round #63 (Div. 2) 1
160 New Year and Days Categories Codeforces Good Bye 2015 1
161 Treats for the Cows Categories SPOJ 1
162 Minimum Difficulty Categories Codeforces Codeforces Round #283 (Div. 2) 1
163 Bear and Raspberry Categories Codeforces Codeforces Round #226 (Div. 2) 1
164 k-String Categories Codeforces Codeforces Round #135 (Div. 2) 1
165 1, 10, 100, 1000... Categories Timus 1
166 Lucky Ticket Categories Codeforces Codeforces Round #104 (Div. 2) 1
167 Mishka and Game Categories Codeforces Codeforces Round #365 (Div. 2) 1
168 Alena's Schedule Categories Codeforces Codeforces Round #325 (Div. 2) 1
169 Hello, world! Categories TJU 1
170 Little Pony and Crystal Mine Categories Codeforces Codeforces Round #259 (Div. 2) 1
171 DZY Loves Chessboard Categories Codeforces Codeforces Round #254 (Div. 2) 1
172 Greg's Workout Categories Codeforces Codeforces Round #156 (Div. 2) 1
173 Crazy Computer Categories Codeforces Codeforces Round #372 (Div. 2) 1
174 cAPS lOCK Categories Codeforces Codeforces Beta Round #95 (Div. 2) 1
175 Bytelandian gold coins Categories SPOJ 1
176 MODIFY SEQUENCE Categories SPOJ 1
177 Adding Reversed Numbers Categories TJU 1
178 Professor GukiZ's Robot Categories Codeforces Educational Codeforces Round 6 1
179 Flipping Game Categories Codeforces Codeforces Round #191 (Div. 2) 1
180 Roadside Trees (Simplified Edition) Categories Codeforces Codeforces Round #162 (Div. 2) 1
181 Chloe and the sequence Categories Codeforces Codeforces Round #384 (Div. 2) 1
182 Cheap Travel Categories Codeforces Codeforces Round #266 (Div. 2) 1
183 Counterexample Categories Codeforces Codeforces Round #275 (Div. 2) 1
184 Two Bases Categories Codeforces Codeforces Round #333 (Div. 2) 1
185 Tavas and SaDDas Categories Codeforces Codeforces Round #299 (Div. 2) 1
186 Gravity Flip Categories Codeforces Codeforces Round #238 (Div. 2) 1
187 Arpa’s hard exam and Mehrdad’s naive cheat Categories Codeforces Codeforces Round #383 (Div. 2) 1
188 Clock Hands Categories UVA 1
189 USB Flash Drives Categories Codeforces Educational Codeforces Round 3 1
190 What's Next? Categories Live Archive 2010 Africa/Middle East - Arab Contest 1
191 Vasya and Socks Categories Codeforces Codeforces Round #262 (Div. 2) 1
192 Kefa and First Steps Categories Codeforces Codeforces Round #321 (Div. 2) 1
193 Suffix Structures Categories Codeforces Codeforces Round #256 (Div. 2) 1
194 Bear and Finding Criminals Categories Codeforces Codeforces Round #356 (Div. 2) 1
195 Lunch Rush Categories Codeforces Codeforces Round #169 (Div. 2) 1
196 Business trip Categories Codeforces Codeforces Round #106 (Div. 2) 1
197 Fibonacci Numbers Categories TJU 1
198 Elections Categories Codeforces Codeforces Round #316 (Div. 2) 1
199 Kuriyama Mirai's Stones Categories Codeforces Codeforces Round #248 (Div. 2) 1
200 Books Categories Codeforces Codeforces Round #171 (Div. 2) 1
201 Fancy Fence Categories Codeforces Codeforces Round #165 (Div. 2) 1
202 Shortest path of the king Categories Codeforces Codeforces Beta Round #3 1
203 Arrival of the General Categories Codeforces Codeforces Round #103 (Div. 2) 1
204 One-dimensional Japanese Crossword Categories Codeforces Codeforces Round #374 (Div. 2) 1
205 Hexadecimal's theorem Categories Codeforces Codeforces Round #125 (Div. 2) 1
206 Translation Categories Codeforces Codeforces Beta Round #40 (Div. 2) 1
207 Asphalting Roads Categories Codeforces Codeforces Round #323 (Div. 2) 1
208 Two Substrings Categories Codeforces Codeforces Round #306 (Div. 2) 1
209 Police Recruits Categories Codeforces Codeforces Round #244 (Div. 2) 1
210 Combination Lock Categories Codeforces Codeforces Round #301 (Div. 2) 1
211 Hulk Categories Codeforces Codeforces Round #366 (Div. 2) 1
212 Hongcow Learns the Cyclic Shift Categories Codeforces Codeforces Round #385 (Div. 2) 1
213 Beru-taxi Categories Codeforces Codeforces Round #367 (Div. 2) 1
214 Lala Land and Apple Trees Categories Codeforces Codeforces Round #312 (Div. 2) 1
215 Pangram Categories Codeforces Codeforces Round #295 (Div. 2) 1
216 Sort the Array Categories Codeforces Codeforces Round #258 (Div. 2) 1
217 Valera and X Categories Codeforces Codeforces Round #237 (Div. 2) 1
218 The Useless Toy Categories Codeforces Codeforces Round #426 (Div. 2) 1
219 Boy or Girl Categories Codeforces Codeforces Round #146 (Div. 2) 1
220 Filya and Homework Categories Codeforces Codeforces Round #371 (Div. 2) 1
221 Watermelon Categories Codeforces Codeforces Beta Round #4 (Div. 2 Only) 1
222 Toy Cars Categories Codeforces Codeforces Round #303 (Div. 2) 1
223 FoxAndGame Categories TopCoder SRM 571 - Div2 easy] (15491) 1
224 Dreamoon and Stairs Categories Codeforces Codeforces Round #272 (Div. 2) 1
225 inc ARG Categories Codeforces Codeforces Round #265 (Div. 2) 1
226 T-primes Categories Codeforces Codeforces Round #142 (Div. 2) 1
227 Football Categories Codeforces Codeforces Beta Round #77 (Div. 2 Only) 1
228 Little Pony and Sort by Shift Categories Codeforces Codeforces Round #259 (Div. 2) 1
229 Bear and Poker Categories Codeforces Codeforces Round #318 [RussianCodeCup Thanks-Round] (Div. 1) & Codeforces Round #318 [RussianCodeCup Thanks-Round] (Div. 2) 1
230 Fox And Snake Categories Codeforces Codeforces Round #290 (Div. 2) 1
231 Spreadsheet Categories Codeforces Codeforces Beta Round #1 1
232 Reconnaissance 2 Categories Codeforces Codeforces Beta Round #34 (Div. 2) 1
233 Lineland Mail Categories Codeforces Codeforces Round #Pi (Div. 2) 1
234 Contest Categories Codeforces Codeforces Round #285 (Div. 2) 1
235 Vanya and Table Categories Codeforces Codeforces Round #308 (Div. 2) 1
236 k-Tree Categories Codeforces Codeforces Round #247 (Div. 2) 1
237 Sereja and Dima Categories Codeforces Codeforces Round #223 (Div. 2) 1
238 Stones on the Table Categories Codeforces Codeforces Round #163 (Div. 2) 1
239 Dubstep Categories Codeforces Codeforces Round #130 (Div. 2) 1
240 Key races Categories Codeforces Codeforces Round #427 (Div. 2) 1
241 Mike and Fax Categories Codeforces Codeforces Round #305 (Div. 2) 1
242 Uncowed Forces Categories Codeforces Codeforces Round #334 (Div. 2) 1
243 I Wanna Be the Guy Categories Codeforces Codeforces Round #268 (Div. 2) 1
244 Drinks Categories Codeforces Codeforces Round #126 (Div. 2) 1
245 Ostap and Grasshopper Categories Codeforces Codeforces Round #382 (Div. 2) 1
246 Interesting drink Categories Codeforces Codeforces Round #367 (Div. 2) 1
247 Vasya the Hipster Categories Codeforces Codeforces Round #322 (Div. 2) 1
248 Vanya and Cards Categories Codeforces Codeforces Round #235 (Div. 2) 1
249 Jeff and Digits Categories Codeforces Codeforces Round #204 (Div. 2) 1
250 Slightly Decreasing Permutations Categories Codeforces Codeforces Round #175 (Div. 2) 1
251 Nicholas and Permutation Categories Codeforces Codeforces Round #354 (Div. 2) 1
252 Little Girl and Maximum Sum Categories Codeforces Codeforces Round #169 (Div. 2) 1
253 Ultra-Fast Mathematician Categories Codeforces Codeforces Beta Round #57 (Div. 2) 1
254 Simple Game Categories Codeforces Codeforces Round #316 (Div. 2) 1
255 Identifying tea Categories Live Archive 2015 Latin America 1
256 Cut Ribbon Categories Codeforces Codeforces Round #119 (Div. 2) 1
257 Bus to Udayland Categories Codeforces Codeforces Round #369 (Div. 2) 1
258 Robot's Task Categories Codeforces Codeforces Round #323 (Div. 2) 1
259 Two Buttons Categories Codeforces Codeforces Round #295 (Div. 2) 1
260 Amr and The Large Array Categories Codeforces Codeforces Round #312 (Div. 2) 2
261 Handball Categories UVA 2
262 Removing Columns Categories Codeforces Codeforces Round #283 (Div. 2) & Codeforces Round #283 (Div. 1) 2
263 SwapSort Categories Codeforces Codeforces Round #277.5 (Div. 2) 2
264 Eugeny and Array Categories Codeforces Codeforces Round #182 (Div. 2) 2
265 New Year and Domino Categories Codeforces Good Bye 2015 2
266 Table Tennis Categories Codeforces Codeforces Round #443 (Div. 2) 2
267 Little Elephant and Problem Categories Codeforces Codeforces Round #136 (Div. 1) & Codeforces Round #136 (Div. 2) 2
268 Little Artem and Grasshopper Categories Codeforces VK Cup 2016 - Round 2 2
269 DZY Loves Hash Categories Codeforces Codeforces Round #255 (Div. 2) 2
270 Super Over Categories SPOJ 2
271 Prizes, Prizes, more Prizes Categories Codeforces Codeforces Round #130 (Div. 2) 2
272 K-special Tables Categories Codeforces Codeforces Round #342 (Div. 2) 2
273 The Alphabet Sticker Categories A2 Online Judge 2
274 Mike and Fun Categories Codeforces Codeforces Round #305 (Div. 2) 2
275 Factory Categories Codeforces Codeforces Round #276 (Div. 2) 2
276 Magic Spheres Categories Codeforces Codeforces Round #335 (Div. 2) 2
277 Chat Online Categories Codeforces Codeforces Round #268 (Div. 2) 2
278 Polo the Penguin and Matrix Categories Codeforces Codeforces Round #177 (Div. 2) 2
279 PawnChess Categories Codeforces Codeforces Round #328 (Div. 2) 2
280 Levko and Table Categories Codeforces Codeforces Round #210 (Div. 2) 2
281 Jeff and Periods Categories Codeforces Codeforces Round #204 (Div. 2) 2
282 Find Marble Categories Codeforces Codeforces Round #175 (Div. 2) 2
283 Sagheer and Crossroads Categories Codeforces Codeforces Round #417 (Div. 2) 2
284 Wizards and Demonstration Categories Codeforces Codeforces Round #114 (Div. 2) 2
285 Case of Fake Numbers Categories Codeforces Codeforces Round #310 (Div. 2) 2
286 Alternating Current Categories Codeforces Codeforces Round #200 (Div. 1) & Codeforces Round #200 (Div. 2) 2
287 Effective Approach Categories Codeforces Codeforces Round #140 (Div. 2) 2
288 Thor Categories Codeforces Codeforces Round #366 (Div. 1) & Codeforces Round #366 (Div. 2) 2
289 Lucky Conversion Categories Codeforces Codeforces Round #104 (Div. 1) & Codeforces Round #104 (Div. 2) 2
290 Restoring Password Categories Codeforces Codeforces Beta Round #76 (Div. 2 Only) 2
291 Replacement Categories Codeforces Codeforces Round #316 (Div. 2) 2
292 Escape from Stones Categories Codeforces Codeforces Round #162 (Div. 1) & Codeforces Round #162 (Div. 2) 2
293 Okabe and Future Gadget Laboratory Categories Codeforces Codeforces Round #420 (Div. 2) 2
294 Straight <<A>> Categories Codeforces Codeforces Round #415 (Div. 2) 2
295 George and Sleep Categories Codeforces Codeforces Round #227 (Div. 2) 2
296 Slime Combining Categories Codeforces Wunder Fund Round 2016 (Div. 1 + Div. 2 combined) 2
297 Cupboards Categories Codeforces Codeforces Round #152 (Div. 2) 2
298 IQ Test Categories Codeforces Codeforces Round #176 (Div. 2) 2
299 Next Test Categories Codeforces Codeforces Beta Round #27 (Codeforces format, Div. 2) 2
300 Lever Categories Codeforces Codeforces Round #221 (Div. 2) 2
301 Towers Categories Codeforces Codeforces Round #274 (Div. 2) 2
302 Eevee Categories Codeforces MemSQL Start[c]UP 2.0 - Round 1 2
303 Blackjack Categories Codeforces Codeforces Beta Round #80 (Div. 2 Only) 2
304 Little Elephant and Function Categories Codeforces Codeforces Round #136 (Div. 2) 2
305 Tanya and Postcard Categories Codeforces Codeforces Round #293 (Div. 2) 2
306 Inna and Choose Options Categories Codeforces Codeforces Round #234 (Div. 2) 2
307 Vanya and Food Processor Categories Codeforces Codeforces Round #355 (Div. 2) 2
308 Mishka and trip Categories Codeforces Codeforces Round #365 (Div. 2) 2
309 Bear and Three Balls Categories Codeforces IndiaHacks 2016 - Online Edition (Div. 1 + Div. 2) 2
310 Mr. Kitayuta's Gift Categories Codeforces Codeforces Round #286 (Div. 1) & Codeforces Round #286 (Div. 2) & Codeforces Round #286 (Div. 1) & Codeforces Round #286 (Div. 2) 2
311 Infinite Sequence Categories Codeforces Educational Codeforces Round 7 2
312 Fox and Cross Categories Codeforces Codeforces Round #228 (Div. 2) 2
313 Football Kit Categories Codeforces Codeforces Round #246 (Div. 2) 2
314 Ksenia and Pan Scales Categories Codeforces Codeforces Round #224 (Div. 2) 2
315 Collecting Beats is Fun Categories Codeforces Codeforces Round #219 (Div. 2) 2
316 The Child and Toy Categories Codeforces Codeforces Round #250 (Div. 2) & Codeforces Round #250 (Div. 1) 2
317 Sereja and Mugs Categories Codeforces Codeforces Round #243 (Div. 2) 2
318 Tourist's Notes Categories Codeforces Codeforces Round #300 2
319 Mashmokh and Lights Categories Codeforces Codeforces Round #240 (Div. 2) 2
320 The Festive Evening Categories Codeforces Codeforces Round #426 (Div. 2) 2
321 Little Pigs and Wolves Categories Codeforces Codeforces Beta Round #87 (Div. 2 Only) 2
322 SOLDIERS Categories SPOJ 2
323 Developing Skills Categories Codeforces Codeforces Round #322 (Div. 2) 2
324 Petya and Staircases Categories Codeforces Codeforces Round #212 (Div. 2) 2
325 Vika and Squares Categories Codeforces Codeforces Round #337 (Div. 2) 2
326 Set of Strings Categories Codeforces Codeforces Round #302 (Div. 2) 2
327 Digital Counter Categories Codeforces Codeforces Round #282 (Div. 2) 2
328 Cd and pwd commands Categories Codeforces VK Cup 2012 Qualification Round 1 2
329 Airport Categories Codeforces Codeforces Round #134 (Div. 2) 2
330 Little Elephant and Magic Square Categories Codeforces Codeforces Round #157 (Div. 2) 2
331 Photo to Remember Categories Codeforces VK Cup 2015 - Qualification Round 1 2
332 Painting Pebbles Categories Codeforces Codeforces Round #289 (Div. 2, ACM ICPC Rules) 2
333 Find the Format String Categories Live Archive 2008 Asia - Dhaka 2
334 Vasya and Digital Root Categories Codeforces Codeforces Round #206 (Div. 2) 2
335 New Year Present Categories Codeforces Good Bye 2013 2
336 Comparing Strings Categories Codeforces Codeforces Round #118 (Div. 2) 2
337 Ilya and tic-tac-toe game Categories Codeforces Codeforces Round #390 (Div. 2) 2
338 PATHS Categories SPOJ 2
339 Line to Cashier Categories Codeforces Codeforces Round #239 (Div. 2) 2
340 Good Number Categories Codeforces Codeforces Round #213 (Div. 2) 2
341 Lottery Categories Codeforces 2015-2016 ACM-ICPC, NEERC, Southern Subregional Contest (Online Mirror, ACM-ICPC Rules, Teams Preferred) 2
342 Anya and Smartphone Categories Codeforces Codeforces Round #293 (Div. 2) 2
343 Little Robber Girl's Zoo Categories Codeforces Codeforces Round #359 (Div. 2) 2
344 Vasily the Bear and Triangle Categories Codeforces Codeforces Round #195 (Div. 2) 2
345 Not Afraid Categories Codeforces Codeforces Round #406 (Div. 2) 2
346 Burning Midnight Oil Categories Codeforces Codeforces Round #112 (Div. 2) 2
347 The Time Categories Codeforces Educational Codeforces Round 7 2
348 Kitahara Haruki's Gift Categories Codeforces Codeforces Round #248 (Div. 2) 2
349 Beautiful Sets of Points Categories Codeforces Codeforces Round #164 (Div. 2) 2
350 Bicycle Chain Categories Codeforces Codeforces Round #132 (Div. 2) 2
351 Comparing Two Long Integers Categories Codeforces Educational Codeforces Round 5 2
352 Saitama Destroys Hotel Categories Codeforces Codeforces Round #336 (Div. 2) 2
353 Robot Sequence Categories Codeforces 8VC Venture Cup 2016 - Elimination Round 2
354 Pasha and Tea Categories Codeforces Codeforces Round #311 (Div. 2) 2
355 Mister B and Book Reading Categories Codeforces Codeforces Round #421 (Div. 2) 2
356 Alyona and copybooks Categories Codeforces Codeforces Round #381 (Div. 2) 2
357 Sinking Ship Categories Codeforces Codeforces Beta Round #59 (Div. 2) 2
358 Sea and Islands Categories Codeforces Codeforces Round #302 (Div. 2) 2
359 Strongly Connected City Categories Codeforces Bayan 2015 Contest Warm Up 2
360 Wilbur and Swimming Pool Categories Codeforces Codeforces Round #331 (Div. 2) 2
361 Difference Row Categories Codeforces Codeforces Round #201 (Div. 2) 2
362 Meta-Loopless Sorts Categories UVA 2
363 Bear and Displayed Friends Categories Codeforces VK Cup 2016 - Round 1 2
364 Little Elephant and Rozdil Categories Codeforces Codeforces Round #129 (Div. 2) 2
365 Interview Categories Codeforces Codeforces Round #344 (Div. 2) 2
366 Gerald is into Art Categories Codeforces Codeforces Round #313 (Div. 2) 2
367 New Year Book Reading Categories Codeforces Good Bye 2014 2
368 Shower Line Categories Codeforces Codeforces Round #247 (Div. 2) 2
369 Two Bags of Potatoes Categories Codeforces Codeforces Round #148 (Div. 2) 2
370 Soroban Categories Codeforces Codeforces Round #211 (Div. 2) 2
371 George and Job Categories Codeforces Codeforces Round #267 (Div. 2) 2
372 The Fibonacci Segment Categories Codeforces Codeforces Round #213 (Div. 2) 2
373 Greg and Array Categories Codeforces Codeforces Round #179 (Div. 1) & Codeforces Round #179 (Div. 2) 2
374 Lucky Substring Categories Codeforces Codeforces Beta Round #91 (Div. 2 Only) 2
375 Table Categories Codeforces Codeforces Round #209 (Div. 2) 2
376 Big Segment Categories Codeforces Codeforces Round #149 (Div. 2) 2
377 Vladik and Complicated Book Categories Codeforces Codeforces Round #416 (Div. 2) 2
378 Rank List Categories Codeforces Codeforces Round #113 (Div. 2) 2
379 Shooshuns and Sequence Categories Codeforces Codeforces Round #137 (Div. 2) 2
380 Valera and Tubes Categories Codeforces Codeforces Round #252 (Div. 2) 2
381 Case of Matryoshkas Categories Codeforces Codeforces Round #310 (Div. 1) & Codeforces Round #310 (Div. 2) 2
382 Vasya and Football Categories Codeforces Codeforces Round #281 (Div. 2) 2
383 Xenia and Divisors Categories Codeforces Codeforces Round #199 (Div. 2) 2
384 Adding Digits Categories Codeforces Codeforces Round #158 (Div. 2) 2
385 Chat Servers Outgoing Traffic Categories Codeforces Codeforces Beta Round #5 2
386 Palindrome Transformation Categories Codeforces Codeforces Round #277 (Div. 2) 2
387 Strings of Power Categories Codeforces Codeforces Round #188 (Div. 2) 2
388 Squares Categories Codeforces Codeforces Round #161 (Div. 2) 2
389 Sereja and Coat Rack Categories Codeforces Codeforces Round #215 (Div. 2) 2
390 Hexadecimal's Numbers Categories Codeforces Codeforces Beta Round #9 (Div. 2 Only) 2
391 Petya and Countryside Categories Codeforces Codeforces Beta Round #61 (Div. 2) 2
392 Fixing Typos Categories Codeforces Codeforces Round #211 (Div. 2) 2
393 Palindromic Times Categories Codeforces Codeforces Beta Round #83 (Div. 2 Only) 2
394 Dima and Continuous Line Categories Codeforces Codeforces Round #208 (Div. 2) 2
395 New Year and Old Property Categories Codeforces Good Bye 2015 2
396 Queries on a String Categories Codeforces Educational Codeforces Round 1 2
397 Bear and Strings Categories Codeforces Codeforces Round #226 (Div. 2) 2
398 Sum of Digits Categories Codeforces Codeforces Beta Round #79 (Div. 2 Only) 2
399 Flag Categories Codeforces Codeforces Beta Round #16 (Div. 2 Only) 2
400 Laurenty and Shop Categories Codeforces Codeforces Round #325 (Div. 2) 2
401 Ciel and Dancing Categories Codeforces Codeforces Round #190 (Div. 2) 2
402 DZY Loves Sequences Categories Codeforces Codeforces Round #255 (Div. 1) & Codeforces Round #255 (Div. 2) 2
403 Fixed Points Categories Codeforces Codeforces Round #201 (Div. 2) 2
404 Arpa and a research in Mexican wave Categories Codeforces Codeforces Round #432 (Div. 2, based on IndiaHacks Final Round 2017) 2
405 Opposites Attract Categories Codeforces Codeforces Beta Round #95 (Div. 2) 2
406 Minimum Number Categories SPOJ 2
407 Print Check Categories Codeforces Codeforces Round #344 (Div. 2) 2
408 Grandfather Dovlet’s calculator Categories Codeforces Educational Codeforces Round 6 2
409 The Child and Homework Categories Codeforces Codeforces Round #250 (Div. 2) 2
410 Gena's Code Categories Codeforces Codeforces Round #339 (Div. 2) 2
411 Squats Categories Codeforces Codeforces Round #242 (Div. 2) 2
412 Cutting Banner Categories Codeforces Codeforces Round #300 2
413 Sail Categories Codeforces Codeforces Round #180 (Div. 2) 2
414 Group of Students Categories Codeforces Codeforces Round #207 (Div. 2) 2
415 The Best Gift Categories Codeforces Educational Codeforces Round 3 2
416 Bridge Hand Evaluator Categories UVA 2
417 Rebranding Categories Codeforces Codeforces Round #327 (Div. 2) 2
418 Little Dima and Equation Categories Codeforces Codeforces Round #262 (Div. 2) 2
419 Wrath Categories Codeforces Codeforces Round #446 (Div. 2) 2
420 Vasya and Wrestling Categories Codeforces Codeforces Round #281 (Div. 2) 2
421 Roman Numerals Categories UVA 2
422 School Marks Categories Codeforces Codeforces Round #301 (Div. 2) 3
423 Booking System Categories Codeforces Codeforces Round #241 (Div. 2) 3
424 Watering Flowers Categories Codeforces Codeforces Round #340 (Div. 2) 3
425 Network Topology Categories Codeforces Croc Champ 2013 - Round 1 3
426 Vasya and Public Transport Categories Codeforces Codeforces Round #206 (Div. 2) 3
427 Phone Code Categories Codeforces Croc Champ 2012 - Qualification Round 3
428 Cloud of Hashtags Categories Codeforces Codeforces Round #401 (Div. 2) 3
429 Phone numbers Categories Codeforces Codeforces Beta Round #25 (Div. 2 Only) 3
430 Bar Categories Codeforces Codeforces Beta Round #52 (Div. 2) 3
431 Letter Categories Codeforces Codeforces Beta Round #14 (Div. 2) 3
432 Start Up Categories Codeforces Coder-Strike 2014 - Finals (online edition, Div. 1) & Coder-Strike 2014 - Finals (online edition, Div. 2) 3
433 Testing Pants for Sadness Categories Codeforces Codeforces Beta Round #80 (Div. 1 Only) & Codeforces Beta Round #80 (Div. 2 Only) 3
434 Petya and Exam Categories Codeforces Codeforces Round #425 (Div. 2) 3
435 Burglar and Matches Categories Codeforces Codeforces Beta Round #16 (Div. 2 Only) 3
436 Seating On Bus Categories Codeforces Educational Codeforces Round 11 3
437 The Child and Set Categories Codeforces Codeforces Round #250 (Div. 2) 3
438 Bear and Prime Numbers Categories Codeforces Codeforces Round #226 (Div. 2) 3
439 Pyramid of Glasses Categories Codeforces Codeforces Round #354 (Div. 2) 3
440 Sereja and Stairs Categories Codeforces Codeforces Round #223 (Div. 2) 3
441 Little Xor Categories Codeforces Codeforces Round #153 (Div. 2) 3
442 Megacity Categories Codeforces Codeforces Round #242 (Div. 2) 3
443 Dima and To-do List Categories Codeforces Codeforces Round #214 (Div. 2) 3
444 Flag Day Categories Codeforces Codeforces Round #207 (Div. 2) 3
445 Garland Categories Codeforces Codeforces Round #239 (Div. 2) 3
446 Spyke Talks Categories Codeforces Croc Champ 2013 - Qualification Round 3
447 Sereja and Contests Categories Codeforces Codeforces Round #235 (Div. 2) 3
448 Dividing Orange Categories Codeforces Codeforces Round #150 (Div. 2) 3
449 Little Girl and Maximum XOR Categories Codeforces Codeforces Round #169 (Div. 2) 3
450 Card Game Categories Codeforces Codeforces Beta Round #82 (Div. 2) 3
451 Point on Spiral Categories Codeforces Codeforces Round #171 (Div. 2) 3
452 Load Balancing Categories Codeforces Educational Codeforces Round 3 3
453 Vasya and Basketball Categories Codeforces Codeforces Round #281 (Div. 2) 3
454 Replacement Categories Codeforces Codeforces Beta Round #97 (Div. 1) & Codeforces Beta Round #97 (Div. 2) 3
455 Gennady the Dentist Categories Codeforces Codeforces Round #325 (Div. 1) & Codeforces Round #325 (Div. 2) 3
456 Voting for Photos Categories Codeforces VK Cup 2016 - Qualification Round 1 3
457 Valera and Contest Categories Codeforces Codeforces Round #216 (Div. 2) 3
458 LLPS Categories Codeforces Codeforces Round #127 (Div. 2) 3
459 Vasya's Calendar Categories Codeforces Codeforces Round #117 (Div. 2) 3
460 Voting Categories Codeforces Codeforces Round #388 (Div. 2) 3
461 ZigZag Categories TopCoder TCCC '03 Semifinals 3 - Div1 easy] (4493) 3
462 Spongebob and Joke Categories Codeforces Codeforces Round #332 (Div. 2) 3
463 To Add or Not to Add Categories Codeforces Codeforces Round #143 (Div. 2) 3
464 Little Artem and Matrix Categories Codeforces VK Cup 2016 - Round 2 3
465 XOR and OR Categories Codeforces Codeforces Round #173 (Div. 2) 3
466 Tic-tac-toe Categories Codeforces Codeforces Beta Round #3 3
467 Haiku Categories Codeforces Codeforces Beta Round #70 (Div. 2) 3
468 Can you play carrom !!! Categories SPOJ 3
469 Primes or Palindromes? Categories Codeforces Codeforces Round #315 (Div. 1) & Codeforces Round #315 (Div. 2) 3
470 Array Categories Codeforces Codeforces Round #138 (Div. 2) 3
471 Playing Cubes Categories Codeforces Codeforces Round #159 (Div. 2) 3
472 Ball Game Categories Codeforces School Personal Contest #2 (Winter Computer School 2010/11) - Codeforces Beta Round #43 (ACM-ICPC Rules) 3
473 Worms Evolution Categories Codeforces Codeforces Beta Round #31 (Div. 2, Codeforces format) 3
474 Blackjack Categories Live Archive 2004 North America - Rocky Mountain 3
475 Glass Carving Categories Codeforces Codeforces Round #296 (Div. 2) & Codeforces Round #296 (Div. 1) 3
476 A + B Strikes Back Categories Codeforces April Fools Day Contest 2014 3
477 System Administrator Categories Codeforces CROC-MBTU 2012, Elimination Round (ACM-ICPC) 3
478 Phone Numbers Categories Codeforces Codeforces Round #107 (Div. 2) 3
479 Snow Footprints Categories Codeforces Codeforces Round #180 (Div. 2) 3
480 Super Agent Categories Codeforces Codeforces Beta Round #12 (Div 2 Only) 3
481 Down the Hatch! Categories Codeforces Codeforces Round #193 (Div. 2) 3
482 Alyona and Spreadsheet Categories Codeforces Codeforces Round #401 (Div. 2) 3
483 President's Office Categories Codeforces Codeforces Beta Round #6 (Div. 2 Only) 3
484 TheBlackJackDivOne Categories TopCoder SRM 448 - Div1 easy] (13902) 3
485 Funky Numbers Categories Codeforces Codeforces Round #121 (Div. 2) 3
486 Constellation Categories Codeforces Wunder Fund Round 2016 (Div. 1 + Div. 2 combined) 3
487 Bayan Bus Categories Codeforces Bayan 2015 Contest Warm Up 3
488 The Text Splitting Categories Codeforces Educational Codeforces Round 4 3
489 Long Jumps Categories Codeforces Codeforces Round #274 (Div. 2) & Codeforces Round #274 (Div. 1) 3
490 Stripe Categories Codeforces Codeforces Beta Round #18 (Div. 2 Only) 3
491 King of Thieves Categories Codeforces ZeptoLab Code Rush 2015 3
492 Finding Team Member Categories Codeforces Codeforces Round #320 (Div. 2) [Bayan Thanks-Round] 3
493 Triangle Categories Codeforces Codeforces Round #239 (Div. 1) & Codeforces Round #239 (Div. 2) 3
494 Inna and New Matrix of Candies Categories Codeforces Codeforces Round #234 (Div. 2) 3
495 Bombs Categories Codeforces Codeforces Round #203 (Div. 2) 3
496 Heads or Tails Categories Codeforces Codeforces Round #149 (Div. 2) 3
497 Cows and Sequence Categories Codeforces Codeforces Round #174 (Div. 1) & Codeforces Round #174 (Div. 2) 3
498 Little Elephant and Numbers Categories Codeforces Codeforces Round #136 (Div. 2) 3
499 Music Categories Codeforces Codeforces Round #315 (Div. 2) 3
500 Valera and Fruits Categories Codeforces Codeforces Round #252 (Div. 2) 3
501 Arithmetic Progression Categories Codeforces Codeforces Round #224 (Div. 2) 3
502 Dice Tower Categories Codeforces Codeforces Round #139 (Div. 2) 3
503 Karen and Game Categories Codeforces Codeforces Round #419 (Div. 1) & Codeforces Round #419 (Div. 2) 3
504 Ilya and Matrix Categories Codeforces Codeforces Round #186 (Div. 2) 3
505 Easter Eggs Categories Codeforces Codeforces Beta Round #70 (Div. 2) 3
506 Guess a number! Categories Codeforces Codeforces Round #241 (Div. 2) 3
507 Sereja and Algorithm Categories Codeforces Codeforces Round #215 (Div. 1) 3
508 Eugeny and Play List Categories Codeforces Codeforces Round #182 (Div. 2) 3
509 Petya and Java Categories Codeforces Codeforces Beta Round #61 (Div. 2) 3
510 Gargari and Bishops Categories Codeforces Codeforces Round #264 (Div. 2) 3
511 Password Check Categories Codeforces Coder-Strike 2014 - Qualification Round 3
512 Internet Address Categories Codeforces CROC-MBTU 2012, Elimination Round (ACM-ICPC) 3
513 Sockets Categories Codeforces Codeforces Round #159 (Div. 2) 3
514 Correct Solution? Categories Codeforces Codeforces Beta Round #12 (Div 2 Only) 3
515 Maximum Absurdity Categories Codeforces Codeforces Round #193 (Div. 2) 3
516 Hongcow Solves A Puzzle Categories Codeforces Codeforces Round #385 (Div. 2) 3
517 Bicycle Race Categories Codeforces Codeforces Round #346 (Div. 2) 3
518 Letter Categories Codeforces Codeforces Beta Round #42 (Div. 2) 3
519 Order Book Categories Codeforces Codeforces Round #317 [AimFund Thanks-Round] (Div. 2) 3
520 Queue Categories Codeforces Codeforces Round #279 (Div. 2) 3
521 HDD is Outdated Technology Categories Codeforces Educational Codeforces Round 4 3
522 Lucky Sum Categories Codeforces Codeforces Beta Round #91 (Div. 1 Only) & Codeforces Beta Round #91 (Div. 2 Only) 3
523 Cleaner Robot Categories Codeforces 2015-2016 ACM-ICPC, NEERC, Southern Subregional Contest (Online Mirror, ACM-ICPC Rules, Teams Preferred) 3
524 Om Nom and Dark Park Categories Codeforces ZeptoLab Code Rush 2015 3
525 Long Path Categories Codeforces Codeforces Round #239 (Div. 1) & Codeforces Round #239 (Div. 2) 3
526 Cows and Poker Game Categories Codeforces Codeforces Round #174 (Div. 2) 3
527 Guess Your Way Out! Categories Codeforces Codeforces Round #287 (Div. 2) 3
528 Not Equal on a Segment Categories Codeforces Educational Codeforces Round 7 3
529 Unary Categories Codeforces Codeforces Beta Round #96 (Div. 2) 3
530 Plug-in Categories Codeforces Yandex.Algorithm Open 2011 Qualification 1 3
531 Art Union Categories Codeforces Codeforces Round #241 (Div. 2) 3
532 Two Problems Categories Codeforces Codeforces Round #128 (Div. 2) 3
533 Lucky Permutation Triple Categories Codeforces Codeforces Round #183 (Div. 1) & Codeforces Round #183 (Div. 2) 3
534 Postcards and photos Categories Codeforces Codeforces Beta Round #98 (Div. 2) 3
535 Common Divisors Categories Codeforces Codeforces Round #117 (Div. 2) 3
536 Powerful array Categories Codeforces Yandex.Algorithm 2011 Round 2 3
537 Canvas Frames Categories Codeforces Codeforces Beta Round #93 (Div. 2 Only) 3
538 Room Leader Categories Codeforces Codeforces Beta Round #68 3
539 Tennis Tournament Categories Codeforces Educational Codeforces Round 8 3
540 Secret Combination Categories Codeforces Codeforces Round #283 (Div. 2) 3
541 Masha and geometric depression Categories Codeforces Codeforces Round #407 (Div. 2) 3
542 Numbers Categories Codeforces Codeforces Beta Round #13 3
543 Vanya and Label Categories Codeforces Codeforces Round #355 (Div. 2) 3
544 Mike and Cellphone Categories Codeforces Codeforces Round #361 (Div. 2) 3
545 Dima and Staircase Categories Codeforces Codeforces Round #167 (Div. 2) & Codeforces Round #167 (Div. 1) 3
546 Sleuth Categories Codeforces Codeforces Beta Round #46 (Div. 2) 3
547 Co-prime Array Categories Codeforces Educational Codeforces Round 11 3
548 Unusual Product Categories Codeforces Codeforces Round #238 (Div. 2) & Codeforces Round #238 (Div. 1) 3
549 Easy Number Challenge Categories Codeforces Codeforces Round #146 (Div. 2) 3
550 Code Parsing Categories Codeforces Codeforces Round #156 (Div. 2) 3
551 Exams Categories Codeforces Codeforces Round #122 (Div. 2) 3
552 Football Categories Codeforces RCC 2014 Warmup (Div. 2) & RCC 2014 Warmup (Div. 1) 3
553 K-Periodic Array Categories Codeforces Codeforces Round #218 (Div. 2) 3
554 Whose sentence is it? Categories Codeforces Codeforces Round #185 (Div. 2) 3
555 Guest From the Past Categories Codeforces Codeforces Round #342 (Div. 2) 3
556 Sereja and Array Categories Codeforces Codeforces Round #187 (Div. 2) 3
557 Dima and Guards Categories Codeforces Codeforces Round #214 (Div. 2) 3
558 Ternary Logic Categories Codeforces Codeforces Beta Round #97 (Div. 2) 3
559 Polo the Penguin and Segments Categories Codeforces Codeforces Round #177 (Div. 2) 3
560 Increasing Sequence Categories Codeforces Codeforces Beta Round #11 3
561 Cosmic Tables Categories Codeforces Codeforces Round #137 (Div. 2) 3
562 Cows and Primitive Roots Categories Codeforces Codeforces Round #174 (Div. 2) 3
563 Ladder Categories Codeforces Codeforces Round #171 (Div. 2) 3
564 Multithreading Categories Codeforces Codeforces Round #165 (Div. 2) 3
565 Tiling with Hexagons Categories Codeforces Codeforces Round #133 (Div. 2) 3
566 Bear and Reverse Radewoosh Categories Codeforces VK Cup 2016 - Round 1 (Div. 2 Edition) 3
567 Semifinals Categories Codeforces Codeforces Round #222 (Div. 2) 4
568 Psychos in a Line Categories Codeforces Codeforces Round #189 (Div. 1) & Codeforces Round #189 (Div. 2) 4
569 Walking in the Rain Categories Codeforces Codeforces Round #121 (Div. 2) 4
570 Fruits Categories Codeforces Codeforces Beta Round #12 (Div 2 Only) 4
571 Regular Bridge Categories Codeforces Codeforces Round #306 (Div. 2) 4
572 Predict Outcome of the Game Categories Codeforces Codeforces Round #258 (Div. 2) 4
573 Marathon Categories Codeforces Codeforces Round #237 (Div. 2) 4
574 Quiz League Categories Codeforces School Regional Team Contest, Saratov, 2011 4
575 Page Numbers Categories Codeforces Codeforces Beta Round #34 (Div. 2) 4
576 Email Aliases Categories Codeforces 2015-2016 ACM-ICPC, NEERC, Southern Subregional Contest (Online Mirror, ACM-ICPC Rules, Teams Preferred) 4
577 A Lot of Games Categories Codeforces Codeforces Round #260 (Div. 1) & Codeforces Round #260 (Div. 2) 4
578 Toy Sum Categories Codeforces Codeforces Round #238 (Div. 2) & Codeforces Round #238 (Div. 1) 4
579 After Training Categories Codeforces Codeforces Round #123 (Div. 2) 4
580 Turing Tape Categories Codeforces Codeforces Beta Round #96 (Div. 1) & Codeforces Beta Round #96 (Div. 2) 4
581 Gabriel and Caterpillar Categories Codeforces Educational Codeforces Round 10 4
582 Vessels Categories Codeforces Codeforces Round #218 (Div. 2) 4
583 Array Division Categories Codeforces Educational Codeforces Round 21 4
584 Magic Box Categories Codeforces Codeforces Round #143 (Div. 2) 4
585 Anagram Search Categories Codeforces Codeforces Round #103 (Div. 2) 4
586 Tennis Game Categories Codeforces Codeforces Round #283 (Div. 2) & Codeforces Round #283 (Div. 1) 4
587 Good Matrix Elements Categories Codeforces ABBYY Cup 2.0 - Easy 4
588 Secret Categories Codeforces Codeforces Round #166 (Div. 2) 4
589 Mountain Scenery Categories Codeforces Codeforces Round #134 (Div. 2) 4
590 Ciel and Robot Categories Codeforces Codeforces Round #190 (Div. 1) & Codeforces Round #190 (Div. 2) 4
591 Indian Summer Categories Codeforces School Team Contest #2 (Winter Computer School 2010/11) 4
592 Winnie-the-Pooh and honey Categories Codeforces School Regional Team Contest, Saratov, 2011 4
593 Young Photographer Categories Codeforces Codeforces Beta Round #14 (Div. 2) 4
594 Poster Categories Codeforces Coder-Strike 2014 - Round 1 4
595 Matrix Categories Codeforces Codeforces Round #213 (Div. 1) & Codeforces Round #213 (Div. 2) 4
596 Fortune Telling Categories Codeforces Codeforces Beta Round #55 (Div. 2) 4
597 Running Student Categories Codeforces Codeforces Beta Round #9 (Div. 2 Only) 4
598 African Crossword Categories Codeforces Codeforces Beta Round #74 (Div. 2 Only) 4
599 Testing Robots Categories Codeforces Codeforces Round #335 (Div. 2) 4
600 Maximum Submatrix 2 Categories Codeforces Codeforces Round #221 (Div. 1) & Codeforces Round #221 (Div. 2) 4
601 Mysterious strings Categories Codeforces April Fools Day Contest 2013 4
602 Reberland Linguistics Categories Codeforces Codeforces Round #349 (Div. 1) & Codeforces Round #349 (Div. 2) 4
603 Command Line Arguments Categories Codeforces Croc Champ 2013 - Qualification Round 4
604 Choosing Laptop Categories Codeforces Codeforces Beta Round #82 (Div. 2) 4
605 Game of the Rows Categories Codeforces Codeforces Round #428 (Div. 2) 4
606 Multitasking Categories Codeforces Codeforces Round #225 (Div. 2) 4
607 Promocodes with Mistakes Categories Codeforces VK Cup 2016 - Qualification Round 1 4
608 Forming Teams Categories Codeforces Codeforces Round #133 (Div. 2) 4
609 Chord Categories Codeforces Codeforces Beta Round #73 (Div. 2 Only) 4
610 Irrational problem Categories Codeforces Codeforces Beta Round #62 4
611 Cracking the Code Categories Codeforces Experimental Educational Round: VolBIT Formulas Blitz 4
612 Shell Game Categories Codeforces Codeforces Beta Round #35 (Div. 2) 4
613 Petya and Square Categories Codeforces Codeforces Beta Round #85 (Div. 2 Only) 4
614 Extract Numbers Categories Codeforces Educational Codeforces Round 2 4
615 Pattern Categories Codeforces Coder-Strike 2014 - Round 1 4
616 Chilly Willy Categories Codeforces Codeforces Round #152 (Div. 2) 4
617 Escape Categories Codeforces Codeforces Round #105 (Div. 2) 4
618 Magic, Wizardry and Wonders Categories Codeforces Codeforces Round #143 (Div. 2) 4
619 Power Consumption Calculation Categories Codeforces Codeforces Beta Round #10 4
620 Little Artem and Dance Categories Codeforces VK Cup 2016 - Round 2 4
621 Lefthanders and Righthanders Categories Codeforces Codeforces Round #145 (Div. 2, ACM-ICPC Rules) 4
622 Three Logos Categories Codeforces Codeforces Round #322 (Div. 2) 4
623 Vanya and Computer Game Categories Codeforces Codeforces Round #280 (Div. 2) 4
624 Tourist Problem Categories Codeforces Codeforces Round #198 (Div. 2) & Codeforces Round #198 (Div. 1) 4
625 Help Kingdom of Far Far Away 2 Categories Codeforces Codeforces Round #102 (Div. 2) 4
626 About Bacteria Categories Codeforces Codeforces Round #125 (Div. 1) & Codeforces Round #125 (Div. 2) 4
627 Sereja and Mirroring Categories Codeforces Codeforces Round #243 (Div. 2) 4
628 Weird Chess Categories Codeforces Codeforces Round #300 4
629 Vladik and Memorable Trip Categories Codeforces Codeforces Round #416 (Div. 2) 4
630 Clique Problem Categories Codeforces Codeforces Round #296 (Div. 2) & Codeforces Round #296 (Div. 1) 4
631 Cardiogram Categories Codeforces Codeforces Round #249 (Div. 2) 4
632 Two Tables Categories Codeforces Codeforces Round #141 (Div. 2) 4
633 Friends or Not Categories Codeforces VK Cup 2012 Qualification Round 2 4
634 Dima and Sequence Categories Codeforces Codeforces Round #167 (Div. 2) 4
635 Rotate, Flip and Zoom Categories Codeforces VK Cup 2015 - Qualification Round 2 4
636 The Closest Pair Categories Codeforces Codeforces Round #185 (Div. 1) & Codeforces Round #185 (Div. 2) 4
637 Road Map Categories Codeforces Codeforces Beta Round #34 (Div. 2) 4
638 Devu and Partitioning of the Array Categories Codeforces Codeforces Round #251 (Div. 2) 4
639 ZgukistringZ Categories Codeforces Codeforces Round #307 (Div. 2) 4
640 Progress Bar Categories Codeforces Codeforces Beta Round #65 (Div. 2) 4
641 Pasha and Hamsters Categories Codeforces Coder-Strike 2014 - Finals (online edition, Div. 2) 4
642 Drazil and Tiles Categories Codeforces Codeforces Round #292 (Div. 2) & Codeforces Round #292 (Div. 1) 4
643 123-sequence Categories Codeforces Codeforces Testing Round #1 4
644 Inna and Huge Candy Matrix Categories Codeforces Codeforces Round #234 (Div. 2) 4
645 Jeff and Rounding Categories Codeforces Codeforces Round #204 (Div. 1) & Codeforces Round #204 (Div. 2) 4
646 Weather Categories Codeforces Codeforces Round #145 (Div. 2, ACM-ICPC Rules) 4
647 Where Are My Flakes? Categories Codeforces Codeforces Beta Round #56 4
648 Island Puzzle Categories Codeforces 8VC Venture Cup 2016 - Final Round (Div. 1 Edition) & 8VC Venture Cup 2016 - Final Round (Div. 2 Edition) 4
649 Steps Categories Codeforces Codeforces Round #108 (Div. 2) 4
650 I.O.U. Categories Codeforces Codeforces Round #221 (Div. 2) 4
651 Troops of Sand Monsters Categories SPOJ 4
652 Find Maximum Categories Codeforces Codeforces Round #205 (Div. 2) 4
653 Mishap in Club Categories Codeforces CROC-MBTU 2012, Elimination Round (ACM-ICPC) 4
654 Elevator Categories Codeforces School Regional Team Contest, Saratov, 2011 4
655 Settlers' Training Categories Codeforces Codeforces Beta Round #59 (Div. 2) 4
656 Find Pair Categories Codeforces Codeforces Round #111 (Div. 2) 4
657 Special Offer! Super Price 999 Bourles! Categories Codeforces Codeforces Round #135 (Div. 2) 4
658 Lucky Mask Categories Codeforces Codeforces Round #104 (Div. 2) 4
659 Om Nom and Spiders Categories Codeforces Zepto Code Rush 2014 4
660 Forgotten Episode Categories Codeforces Testing Round #10 4
661 Riding in a Lift Categories Codeforces Codeforces Round #274 (Div. 2) & Codeforces Round #274 (Div. 1) 4
662 Amity Assessment Categories Codeforces CROC 2016 - Elimination Round 4
663 Good Matrix Elements Categories Codeforces ABBYY Cup 2.0 - Easy 4
664 BerOS file system Categories Codeforces Codeforces Alpha Round #20 (Codeforces format) 4
665 Autocomplete Categories Codeforces Codeforces Beta Round #49 (Div. 2) 4
666 Xenia and Spies Categories Codeforces Codeforces Round #199 (Div. 2) 4
667 Meeting Categories Codeforces Codeforces Round #103 (Div. 2) 4
668 Ancient Prophesy Categories Codeforces Codeforces Round #158 (Div. 2) 4
669 Coins Categories Codeforces Codeforces Beta Round #44 (Div. 2) 4
670 Center Alignment Categories Codeforces Codeforces Beta Round #5 4
671 Orchestra Categories Codeforces 8VC Venture Cup 2016 - Final Round (Div. 2 Edition) & 8VC Venture Cup 2016 - Final Round (Div. 1 Edition) 4
672 Game on Paper Categories Codeforces Codeforces Round #128 (Div. 2) 5
673 Jury Size Categories Codeforces Codeforces Round #155 (Div. 2) 5
674 Domino Categories Codeforces Yandex.Algorithm 2011 Round 1 5
675 Punctuation Categories Codeforces Codeforces Testing Round #4 5
676 Obsession with Robots Categories Codeforces Codeforces Beta Round #8 5
677 Statistics of Recompressing Videos Categories Codeforces VK Cup 2015 - Qualification Round 2 5
678 Pages Categories Codeforces Codeforces Round #233 (Div. 2) 5
679 Codecraft III Categories Codeforces School Team Contest #3 (Winter Computer School 2010/11) 5
680 Spy Syndrome 2 Categories Codeforces Manthan, Codefest 16 5
681 Balancer Categories Codeforces Testing Round #10 5
682 Fox and Minimal path Categories Codeforces Codeforces Round #228 (Div. 1) & Codeforces Round #228 (Div. 2) 5
683 Ksusha the Squirrel Categories Codeforces Croc Champ 2013 - Round 2 (Div. 2 Edition) 5
684 Prime Permutation Categories Codeforces Codeforces Beta Round #92 (Div. 1 Only) & Codeforces Beta Round #92 (Div. 2 Only) 5
685 Robot Bicorn Attack Categories Codeforces Codeforces Round #115 5
686 Borya and Hanabi Categories Codeforces Codeforces Round #253 (Div. 1) & Codeforces Round #253 (Div. 2) 5
687 Counting Sticks Categories Codeforces Codeforces Round #231 (Div. 2) 5
688 Maximum Xor Secondary Categories Codeforces Codeforces Round #172 (Div. 1) & Codeforces Round #172 (Div. 2) 5
689 Balls and Boxes Categories Codeforces Codeforces Round #158 (Div. 2) 5
690 Guilty --- to the kitchen! Categories Codeforces Codeforces Beta Round #41 5
691 Calendar Categories Codeforces Codeforces Round #183 (Div. 2) 5
692 Literature Lesson Categories Codeforces Codeforces Beta Round #99 (Div. 1) & Codeforces Beta Round #99 (Div. 2) 5
693 Facetook Priority Wall Categories Codeforces Codeforces Beta Round #67 (Div. 2) 5
694 Chess Categories Codeforces School Personal Contest #1 (Winter Computer School 2010/11) - Codeforces Beta Round #38 (ACM-ICPC Rules) 5
695 Domino Categories Live Archive 2006 Asia - Hanoi 5
696 Xenia and Hamming Categories Codeforces Codeforces Round #207 (Div. 1) & Codeforces Round #207 (Div. 2) 5
697 Subsegments Categories Codeforces Codeforces Beta Round #63 (Div. 2) 5
698 Young Table Categories Codeforces Codeforces Round #147 (Div. 2) 5
699 Pseudorandom Sequence Period Categories Codeforces Croc Champ 2012 - Qualification Round 5
700 Spoilt Permutation Categories Codeforces Codeforces Beta Round #52 (Div. 2) 5
701 Boulevard Categories Codeforces 2015-2016 ACM-ICPC, NEERC, Southern Subregional Contest (Online Mirror, ACM-ICPC Rules, Teams Preferred) 5
702 Second-Price Auction Categories Codeforces Testing Round #9 5
703 Fibonacci-ish Categories Codeforces Manthan, Codefest 16 5
704 Help General Categories Codeforces Codeforces Round #102 (Div. 1) & Codeforces Round #102 (Div. 2) 5
705 Permutations Categories Codeforces Codeforces Beta Round #92 (Div. 2 Only) 5
706 Four Segments Categories Codeforces Codeforces Beta Round #14 (Div. 2) 5
707 Cards Sorting Categories Codeforces Codeforces Round #424 (Div. 1, rated, based on VK Cup Finals) & Codeforces Round #424 (Div. 2, rated, based on VK Cup Finals) 5
708 Friends Categories Codeforces Codeforces Beta Round #76 (Div. 2 Only) 5
709 Rock-paper-scissors Categories Codeforces School Personal Contest #3 (Winter Computer School 2010/11) - Codeforces Beta Round #45 (ACM-ICPC Rules) 5
710 Sets Categories Codeforces Yandex.Algorithm 2011 Qualification 2 5
711 Lengthening Sticks Categories Codeforces Codeforces Round #317 [AimFund Thanks-Round] (Div. 1) & Codeforces Round #317 [AimFund Thanks-Round] (Div. 2) 5
712 Elimination Categories Codeforces RCC 2014 Warmup (Div. 2) 5
713 Berland Bingo Categories Codeforces Codeforces Round #217 (Div. 2) 5
714 Square and Rectangles Categories Codeforces MemSQL start[c]up Round 1 5
715 Polo the Penguin and XOR operation Categories Codeforces Codeforces Round #177 (Div. 1) & Codeforces Round #177 (Div. 2) 5
716 Cottage Village Categories Codeforces Codeforces Beta Round #15 5
717 Making Sequences is Fun Categories Codeforces Codeforces Round #219 (Div. 2) 5
718 Buses Between Cities Categories Codeforces Educational Codeforces Round 12 5
719 Convex Shape Categories Codeforces Codeforces Round #168 (Div. 2) 5
720 Find Color Categories Codeforces Codeforces Beta Round #39 5
721 Kyoya and Permutation Categories Codeforces Codeforces Round #309 (Div. 1) & Codeforces Round #309 (Div. 2) 5
722 Inna and Alarm Clock Categories Codeforces Codeforces Round #229 (Div. 2) 5
723 T-shirts from Sponsor Categories Codeforces School Personal Contest #2 (Winter Computer School 2010/11) - Codeforces Beta Round #43 (ACM-ICPC Rules) 5
724 Haar Features Categories Codeforces Looksery Cup 2015 5
725 Rock-Paper-Scissors Categories Codeforces Croc Champ 2012 - Round 1 5
726 QR code Categories Codeforces April Fools Day Contest 2013 5
727 Elevator Categories Codeforces Codeforces Beta Round #88 5
728 Bombing Categories SPOJ 5
729 Network Mask Categories Codeforces Croc Champ 2013 - Qualification Round 5
730 Colorful Field Categories Codeforces Codeforces Beta Round #71 5
731 Two Heaps Categories Codeforces Codeforces Round #205 (Div. 2) 5
732 Theseus and labyrinth Categories Codeforces Codeforces Round #354 (Div. 2) 5
733 Square Earth? Categories Codeforces Codeforces Beta Round #53 5
734 Memory Manager Categories Codeforces Codeforces Beta Round #7 5
735 Sums of Digits Categories Codeforces Codeforces Round #289 (Div. 2, ACM ICPC Rules) 5
736 Bracket Sequence Categories Codeforces Codeforces Round #138 (Div. 1) & Codeforces Round #138 (Div. 2) 5
737 Cutting Figure Categories Codeforces Codeforces Round #122 (Div. 1) & Codeforces Round #122 (Div. 2) 5
738 What is for dinner? Categories Codeforces Codeforces Beta Round #33 (Codeforces format) 5
739 Grammar Lessons Categories Codeforces Codeforces Beta Round #86 (Div. 1 Only) & Codeforces Beta Round #86 (Div. 2 Only) 5
740 Mike and Frog Categories Codeforces Codeforces Round #305 (Div. 1) & Codeforces Round #305 (Div. 2) 5
741 Inna and Pink Pony Categories Codeforces Codeforces Round #220 (Div. 2) 5
742 Vasily the Bear and Sequence Categories Codeforces Codeforces Round #195 (Div. 2) 5
743 Persistent Bookcase Categories Codeforces Codeforces Round #368 (Div. 2) 5
744 World Football Cup Categories Codeforces Codeforces Beta Round #19 5
745 Bitwise Formula Categories Codeforces Codeforces Round #402 (Div. 1) & Codeforces Round #402 (Div. 2) 5
746 Sereja and Contest Categories Codeforces Codeforces Round #187 (Div. 1) & Codeforces Round #187 (Div. 2) 5
747 Frames Categories Codeforces Codeforces Beta Round #76 (Div. 1 Only) & Codeforces Beta Round #76 (Div. 2 Only) 5
748 Scrambled Categories Codeforces April Fools Day Contest 2016 5
749 SMSC Categories Codeforces Croc Champ 2013 - Round 1 5
750 Series of Crimes Categories Codeforces Croc Champ 2012 - Round 2 (Unofficial Div. 2 Edition) 5
751 Bets Categories Codeforces Codeforces Beta Round #63 (Div. 2) 5
752 Flea travel Categories Codeforces Codeforces Beta Round #51 5
753 Board Game Categories Codeforces VK Cup 2015 - Round 2 (unofficial online mirror, Div. 1 only) 5
754 Nearest Fraction Categories Codeforces Codeforces Round #172 (Div. 2) 5
755 George and Number Categories Codeforces Codeforces Round #227 (Div. 2) 5
756 Extra-terrestrial Intelligence Categories Codeforces Codeforces Beta Round #36 5
757 Mail Stamps Categories Codeforces Codeforces Beta Round #29 (Div. 2, Codeforces format) 5
758 On the Road to LCPC Categories A2 Online Judge 5
759 Inna and Dima Categories Codeforces Codeforces Round #220 (Div. 2) 5
760 Data Recovery Categories Codeforces Coder-Strike 2014 - Round 2 5
761 Levko and Array Recovery Categories Codeforces Codeforces Round #210 (Div. 1) & Codeforces Round #210 (Div. 2) 5
762 Orange Categories Codeforces April Fools Day Contest 2013 5
763 Wizards and Trolleybuses Categories Codeforces Codeforces Round #114 (Div. 1) & Codeforces Round #114 (Div. 2) 5
764 Martian Clock Categories Codeforces Codeforces Round #106 (Div. 2) 5
765 Help Chef Gerasim Categories Codeforces Codeforces Beta Round #78 (Div. 2 Only) 5
766 Ryouko's Memory Note Categories Codeforces Codeforces Round #248 (Div. 2) & Codeforces Round #248 (Div. 1) 5
767 Suspects Categories Codeforces Codeforces Round #110 (Div. 1) & Codeforces Round #110 (Div. 2) 5
768 Average Numbers Categories Codeforces Codeforces Testing Round #3 5
769 Sequence Formatting Categories Codeforces Yandex.Algorithm Open 2011 Qualification 1 5
770 Email address Categories Codeforces Codeforces Beta Round #40 (Div. 2) 5
771 Rectangle Puzzle II Categories Codeforces Codeforces Round #183 (Div. 1) & Codeforces Round #183 (Div. 2) 6
772 Main Sequence Categories Codeforces Codeforces Round #176 (Div. 1) & Codeforces Round #176 (Div. 2) 6
773 Bulls and Cows Categories Codeforces Codeforces Beta Round #59 (Div. 2) 6
774 Characteristics of Rectangles Categories Codeforces Codeforces Round #194 (Div. 1) 6
775 Mr. Bender and Square Categories Codeforces Codeforces Round #156 (Div. 2) & Codeforces Round #156 (Div. 1) 6
776 Multiplication Table Categories Codeforces School Team Contest #1 (Winter Computer School 2010/11) 6
777 Up the hill Categories Codeforces Testing Round #11 6
778 Reducing Fractions Categories Codeforces Codeforces Round #137 (Div. 2) 6
779 Harry Potter and the History of Magic Categories Codeforces Codeforces Beta Round #60 6
780 Spyke Chatting Categories Codeforces Coder-Strike 2014 - Round 2 6
781 Appleman and a Sheet of Paper Categories Codeforces Codeforces Round #263 (Div. 1) & Codeforces Round #263 (Div. 2) 6
782 Tyndex.Brome Categories Codeforces Codeforces Beta Round #58 6
783 Chris and Road Categories Codeforces Codeforces Round #365 (Div. 2) 6
784 Infinite Inversions Categories Codeforces Codeforces Round #301 (Div. 2) 6
785 PLAHTE Categories SPOJ 6
786 Cubes Categories Codeforces Codeforces Round #295 (Div. 2) & Codeforces Round #295 (Div. 1) 6
787 Hit Ball Categories Codeforces Codeforces Round #128 (Div. 2) 6
788 Partial Teacher Categories Codeforces Manthan 2011 6
789 Brackets in Implications Categories Codeforces Codeforces Round #306 (Div. 2) 6
790 Police Patrol Categories Codeforces Codeforces Round #244 (Div. 2) 6
791 Sum of Medians Categories Codeforces Yandex.Algorithm 2011 Round 1 6
792 Minesweeper 1D Categories Codeforces Codeforces Round #237 (Div. 2) 6
793 Cheaterius's Problem Categories Codeforces Codeforces Beta Round #48 6
794 International Olympiad Categories Codeforces CROC 2016 - Final Round [Private, For Onsite Finalists Only] 6
795 ????????, ?? ?????? ???? ?????? Categories Codeforces VK Cup 2015 - Round 1 6
796 Dima and Containers Categories Codeforces Codeforces Round #208 (Div. 2) 6
797 Spelling Check Categories Codeforces School Team Contest #1 (Winter Computer School 2010/11) 6
798 Vanya and Brackets Categories Codeforces Codeforces Round #308 (Div. 2) 6
799 Oh Sweet Beaverette Categories Codeforces ABBYY Cup 3.0 - Finals (online version) 6
800 Rooter's Song Categories Codeforces Codeforces Round #431 (Div. 1) & Codeforces Round #431 (Div. 2) 6
801 Playing with Permutations Categories Codeforces Codeforces Round #153 (Div. 1) & Codeforces Round #153 (Div. 2) 6
802 Plane of Tanks: Pro Categories Codeforces Codeforces Round #115 6
803 Practice Categories Codeforces Codeforces Round #145 (Div. 2, ACM-ICPC Rules) & Codeforces Round #145 (Div. 1, ACM-ICPC Rules) 6
804 Wizards and Minimal Spell Categories Codeforces Codeforces Round #114 (Div. 2) 6
805 Presents Categories Codeforces Codeforces Beta Round #50 6
806 Game on Tree Categories Codeforces Codeforces Round #172 (Div. 1) & Codeforces Round #172 (Div. 2) 6
807 Washer, Dryer, Folder Categories Codeforces MemSQL Start[c]UP 2.0 - Round 1 6
808 Candies Categories Codeforces Testing Round #6 6
809 Cola Categories Codeforces School Team Contest #2 (Winter Computer School 2010/11) 6
810 Bus Categories Codeforces Croc Champ 2012 - Qualification Round 6
811 Compartments Categories Codeforces Codeforces Round #207 (Div. 1) & Codeforces Round #207 (Div. 2) 6
812 Mike and Geometry Problem Categories Codeforces Codeforces Round #361 (Div. 2) 6
813 Fly, freebies, fly! Categories Codeforces Testing Round #9 6
814 Transmigration Categories Codeforces Codeforces Beta Round #81 6
815 Bear and Up-Down Categories Codeforces IndiaHacks 2016 - Online Edition (Div. 1 + Div. 2) 6
816 Ants Categories Codeforces Codeforces Round #188 (Div. 1) & Codeforces Round #188 (Div. 2) 6
817 Simple XML Categories Codeforces Codeforces Testing Round #2 6
818 Schedule Categories Codeforces Codeforces Beta Round #31 (Div. 2, Codeforces format) 6
819 Insertion Sort Categories Codeforces Codeforces Round #212 (Div. 2) 6
820 Mathematical Analysis Rocks! Categories Codeforces Codeforces Round #116 (Div. 2, ACM-ICPC Rules) 6
821 Permutation Sum Categories Codeforces Codeforces Round #175 (Div. 2) 6
822 Polygon Categories A2 Online Judge 6
823 F1 Champions Categories Codeforces Codeforces Beta Round #24 6
824 Hockey Categories Codeforces Codeforces Beta Round #77 (Div. 1 Only) & Codeforces Beta Round #77 (Div. 2 Only) 6
825 Land Lot Categories Codeforces School Personal Contest #3 (Winter Computer School 2010/11) - Codeforces Beta Round #45 (ACM-ICPC Rules) 6
826 Wallpaper Categories Codeforces Codeforces Beta Round #99 (Div. 2) 6
827 Keyboard Categories Codeforces Codeforces Beta Round #73 (Div. 2 Only) 6
828 Holidays Categories Codeforces School Team Contest #2 (Winter Computer School 2010/11) 6
829 Points Categories Codeforces All-Ukrainian School Olympiad in Informatics 6
830 Crash Categories Codeforces RCC 2014 Warmup (Div. 2) 6
831 Traffic Lights Categories Codeforces Codeforces Beta Round #29 (Div. 2, Codeforces format) 6
832 Cinema Cashier Categories Codeforces Codeforces Beta Round #10 6
833 WTF? Categories Codeforces April Fools Day Contest 2013 6
834 Multi-core Processor Categories Codeforces Coder-Strike 2014 - Qualification Round 6
835 Bear and Polynomials Categories Codeforces VK Cup 2016 - Round 1 6
836 New Year Cards Categories Codeforces Codeforces Round #100 6
837 Heroes Categories Codeforces Codeforces Beta Round #69 (Div. 1 Only) & Codeforces Beta Round #69 (Div. 2 Only) 6
838 CUBE ROOT Categories SPOJ 6
839 Restoring Increasing Sequence Categories Codeforces Codeforces Round #279 (Div. 2) 6
840 File List Categories Codeforces VK Cup 2012 Round 3 (Unofficial Div. 2 Edition) 6
841 FLING1 Categories SPOJ 6
842 Harry Potter and Three Spells Categories Codeforces Codeforces Beta Round #60 6
843 Restoring IPv6 Categories Codeforces CROC-MBTU 2012, Final Round (Online version, Div. 2) 6
844 Easy Tape Programming Categories Codeforces Codeforces Round #148 (Div. 2) 6
845 Divisors Categories Codeforces Codeforces Round #256 (Div. 2) 6
846 Cinema Categories Codeforces Codeforces Round #145 (Div. 2, ACM-ICPC Rules) & Codeforces Round #145 (Div. 1, ACM-ICPC Rules) 6
847 The Maths Lecture Categories Codeforces Codeforces Round #287 (Div. 2) 6
848 Mister B and PR Shifts Categories Codeforces Codeforces Round #421 (Div. 1) & Codeforces Round #421 (Div. 2) 6
849 Circle of Numbers Categories Codeforces Codeforces Round #161 (Div. 2) 7
850 Last Chance Categories Codeforces Codeforces Beta Round #98 (Div. 2) 7
851 Vasya and Types Categories Codeforces Codeforces Beta Round #73 (Div. 1 Only) & Codeforces Beta Round #73 (Div. 2 Only) 7
852 Petya and File System Categories Codeforces Codeforces Beta Round #61 (Div. 2) 7
853 Log Stream Analysis Categories Codeforces CROC-MBTU 2012, Elimination Round (ACM-ICPC) 7
854 Bear and Square Grid Categories Codeforces Codeforces Round #356 (Div. 1) & Codeforces Round #356 (Div. 2) 7
855 Kicker Categories Codeforces Coder-Strike 2014 - Qualification Round 7
856 Pentagonal numbers Categories Codeforces VK Cup 2012 Wild-card Round 1 7
857 Game Categories Codeforces Codeforces Beta Round #46 (Div. 2) 7
858 Teams Formation Categories Codeforces Codeforces Round #443 (Div. 1) & Codeforces Round #443 (Div. 2) 7
859 Codeforces World Finals Categories Codeforces Codeforces Beta Round #30 (Codeforces format) 7
860 Football Championship Categories Codeforces Codeforces Round #126 (Div. 2) 7
861 Fractal Categories Codeforces Codeforces Beta Round #36 7
862 THE N WITTY FRIENDS Categories SPOJ 7
863 Champions' League Categories Codeforces Codeforces Round #145 (Div. 2, ACM-ICPC Rules) 7
864 HTML Categories Timus 7
865 Jabber ID Categories Codeforces Codeforces Alpha Round #21 (Codeforces format) 7
866 Blog Photo Categories Codeforces Codeforces Beta Round #49 (Div. 2) 7
867 Nanami's Digital Board Categories Codeforces Codeforces Round #248 (Div. 2) & Codeforces Round #248 (Div. 1) 7
868 Follow Traffic Rules Categories Codeforces Codeforces Beta Round #5 7
869 Population Size Categories Codeforces Codeforces Round #241 (Div. 2) 7
870 Hexagonal numbers Categories Codeforces Unknown Language Round #4 7
871 Constellation Categories Codeforces Codeforces Beta Round #32 (Div. 2, Codeforces format) 7
872 Guess Your Way Out! II Categories Codeforces Codeforces Round #312 (Div. 2) 7
873 Online Meeting Categories Codeforces Coder-Strike 2014 - Finals (online edition, Div. 1) & Coder-Strike 2014 - Finals (online edition, Div. 2) 7
874 Working routine Categories Codeforces Codeforces Round #367 (Div. 2) 7
875 Logging Categories Codeforces Codeforces Beta Round #16 (Div. 2 Only) 7
876 Furlo and Rublo and Game Categories Codeforces Codeforces Round #156 (Div. 2) & Codeforces Round #156 (Div. 1) 7
877 Try and Catch Categories Codeforces Codeforces Round #123 (Div. 2) 7
878 Hexagons Categories Codeforces Codeforces Round #338 (Div. 2) 7
879 Programming Language Categories Codeforces Codeforces Round #126 (Div. 2) 7
880 Crunching Numbers Just for You Categories Codeforces April Fools Contest 2017 7
881 Intersection Categories Codeforces Codeforces Alpha Round #21 (Codeforces format) 7
882 Corporation Mail Categories Codeforces Codeforces Beta Round #52 (Div. 2) 7
883 Game of chess unfinished Categories Codeforces Codeforces Beta Round #41 7
884 Big Maximum Sum Categories Codeforces Codeforces Beta Round #67 (Div. 2) 7
885 Boom Categories Codeforces School Regional Team Contest, Saratov, 2011 7
886 Bender Problem Categories Codeforces Codeforces Beta Round #28 (Codeforces format) 7
887 Bug in Code Categories Codeforces Coder-Strike 2014 - Finals (online edition, Div. 2) & Coder-Strike 2014 - Finals (online edition, Div. 1) & Coder-Strike 2014 - Finals (online edition, Div. 2) & Coder-Strike 2014 - Finals (online edition, Div. 1) 7
888 Help Victoria the Wise Categories Codeforces Codeforces Beta Round #78 (Div. 1 Only) & Codeforces Beta Round #78 (Div. 2 Only) 7
889 Shave Beaver! Categories Codeforces ABBYY Cup 3.0 - Finals (online version) 7
890 Geometry Horse Categories Codeforces Codeforces Round #115 7
891 Before Exam Categories Codeforces Codeforces Beta Round #90 7
892 Treasure Island Categories Codeforces Codeforces Beta Round #82 (Div. 2) 7
893 Biathlon Categories Codeforces Codeforces Beta Round #72 (Div. 2 Only) 7
894 On Corruption and Numbers Categories Codeforces Codeforces Round #232 (Div. 2) 7
895 Pacifist frogs Categories Codeforces School Team Contest #1 (Winter Computer School 2010/11) 7
896 Warehouse Categories Codeforces Codeforces Beta Round #35 (Div. 2) 7
897 E-mail Addresses Categories Codeforces Coder-Strike 2014 - Round 1 7
898 Little Artem and Random Variable Categories Codeforces VK Cup 2016 - Round 2 7
899 Arthur and Questions Categories Codeforces Codeforces Round #293 (Div. 2) 7
900 Blog Categories Timus 7
901 Inna, Dima and Song Categories Codeforces Codeforces Round #229 (Div. 2) 7
902 Ksenia and Pawns Categories Codeforces Codeforces Round #224 (Div. 2) 7
903 Snake Categories Codeforces Codeforces Round #139 (Div. 2) 7
904 Parking Lot Categories Codeforces School Personal Contest #2 (Winter Computer School 2010/11) - Codeforces Beta Round #43 (ACM-ICPC Rules) 7
905 Computer Game Categories Codeforces Codeforces Beta Round #37 7
906 ucyhf Categories Codeforces April Fools Day Contest 7
907 Chocolate Categories Codeforces Codeforces Beta Round #31 (Div. 2, Codeforces format) 7
908 Sum of Remainders Categories Codeforces Educational Codeforces Round 5 7
909 Shifting Categories Codeforces Codeforces Round #176 (Div. 1) & Codeforces Round #176 (Div. 2) 7
910 Sequence of points Categories Codeforces Codeforces Beta Round #24 7
911 Martian Architecture Categories Codeforces Codeforces Beta Round #53 7
912 Journey Categories Codeforces Codeforces Beta Round #42 (Div. 2) 7
913 Mean Requests Categories Codeforces VK Cup 2015 - Qualification Round 2 7
914 Cards Categories Codeforces Codeforces Round #233 (Div. 1) & Codeforces Round #233 (Div. 2) 7
915 IQ Test Categories Codeforces Testing Round #8 7
916 Transmitting Levels Categories Codeforces ZeptoLab Code Rush 2015 7
917 Curious Array Categories Codeforces Codeforces Round #239 (Div. 1) & Codeforces Round #239 (Div. 2) 7
918 Vladik and chat Categories Codeforces Codeforces Round #390 (Div. 2) 7
919 Valera and Swaps Categories Codeforces Codeforces Round #252 (Div. 2) 7
920 Case of a Top Secret Categories Codeforces Codeforces Round #310 (Div. 1) 7
921 Genetic Engineering Categories Codeforces Rockethon 2014 7
922 Zbazi in Zeydabad Categories Codeforces Educational Codeforces Round 8 8
923 Game Categories Codeforces Codeforces Beta Round #63 (Div. 2) 8
924 Misha and Palindrome Degree Categories Codeforces Codeforces Round #285 (Div. 2) & Codeforces Round #285 (Div. 1) 8
925 Chip Play Categories Codeforces Codeforces Beta Round #74 (Div. 1 Only) & Codeforces Beta Round #74 (Div. 2 Only) 8
926 Mad Joe Categories Codeforces CROC-MBTU 2012, Final Round (Online version, Div. 2) 8
927 Mirror Box Categories Codeforces Bayan 2012-2013 Elimination Round (ACM ICPC Rules, English statements) 8
928 Letter A Categories Codeforces Codeforces Beta Round #13 8
929 How Many Squares? Categories Codeforces Codeforces Beta Round #11 8
930 Crossword Categories Codeforces Codeforces Beta Round #44 (Div. 2) 8
931 Beautiful Road Categories Codeforces Codeforces Beta Round #73 (Div. 1 Only) 8
932 Collisions Categories Codeforces Codeforces Beta Round #34 (Div. 2) 8
933 Sweets Game Categories Codeforces Codeforces Beta Round #59 (Div. 2) 8
934 New Year and Cleaning Categories Codeforces Good Bye 2015 8
935 Piet Categories Codeforces Codeforces Beta Round #96 (Div. 1) & Codeforces Beta Round #96 (Div. 2) 8
936 Crystal Ball Sequence Categories Codeforces Surprise Language Round #7 8
937 Dima and Magic Guitar Categories Codeforces Codeforces Round #214 (Div. 2) 8
938 Finals in arithmetic Categories Codeforces Codeforces Round #342 (Div. 2) 8
939 Defragmentation Categories Codeforces Codeforces Round #116 (Div. 2, ACM-ICPC Rules) 8
940 Game Categories Codeforces Codeforces Round #170 (Div. 1) & Codeforces Round #170 (Div. 2) 8
941 Vanya and Balloons Categories Codeforces Codeforces Round #355 (Div. 2) 8
942 Vectors Categories Codeforces Codeforces Beta Round #79 (Div. 1 Only) & Codeforces Beta Round #79 (Div. 2 Only) 8
943 Little Elephant and Strings Categories Codeforces Codeforces Round #129 (Div. 1) 8
944 Gnikool Ssalg Categories Codeforces Unknown Language Round #4 8
945 Vasya the Architect Categories Codeforces School Personal Contest #1 (Winter Computer School 2010/11) - Codeforces Beta Round #38 (ACM-ICPC Rules) 8
946 Factorial Categories Codeforces Unknown Language Round #1 8
947 Maze 1D Categories Codeforces Codeforces Round #237 (Div. 2) 8
948 Team Arrangement Categories Codeforces Codeforces Beta Round #55 (Div. 2) 8
949 Number Challenge Categories Codeforces Codeforces Round #146 (Div. 1) 8
950 A Piece of Cake Categories Codeforces April Fools Day Contest 8
951 Cutting Jigsaw Puzzle Categories Codeforces Codeforces Beta Round #50 8
952 Sereja and Tree Categories Codeforces Codeforces Round #223 (Div. 1) & Codeforces Round #223 (Div. 2) 8
953 Broken Monitor Categories Codeforces Codeforces Round #217 (Div. 2) 8
954 Sweets for Everyone! Categories Codeforces Codeforces Round #152 (Div. 2) & Codeforces Round #152 (Div. 1) 8
955 Hexagonal Numbers Categories Codeforces Surprise Language Round #6 8
956 Crosses Categories Codeforces Codeforces Round #132 (Div. 2) 8
957 Printer Categories Codeforces Codeforces Round #154 (Div. 2) 8
958 Defining Macros Categories Codeforces Codeforces Beta Round #7 8
959 Widget Library Categories Codeforces Codeforces Beta Round #74 (Div. 1 Only) & Codeforces Beta Round #74 (Div. 2 Only) 8
960 Strange Sorting Categories Codeforces Codeforces Round #276 (Div. 1) & Codeforces Round #276 (Div. 2) 8
961 Colorado Potato Beetle Categories Codeforces Codeforces Round #150 (Div. 1) & Codeforces Round #150 (Div. 2) 8
962 Dance Revolution Categories Timus 8
963 Volcanoes Categories Codeforces Codeforces Round #225 (Div. 1) & Codeforces Round #225 (Div. 2) 8
964 Anniversary Categories Codeforces Codeforces Round #140 (Div. 1) & Codeforces Round #140 (Div. 2) 8
965 Array Sorting Categories Codeforces Surprise Language Round #6 9
966 O Problema do Sapateiro Viajante Categories SPOJ Brazil 9
967 Battlefield Categories Codeforces Codeforces Round #117 (Div. 2) 9
968 Mirror Room Categories Codeforces Codeforces Round #168 (Div. 1) 9
969 Sagheer and Kindergarten Categories Codeforces Codeforces Round #417 (Div. 2) 9
970 Domino Categories Codeforces Yandex.Algorithm 2011 Finals 9
971 Race Categories Codeforces Codeforces Beta Round #42 (Div. 2) 9
972 Domino Carpet Categories Codeforces Codeforces Beta Round #69 (Div. 1 Only) 9
973 LCM Categories Codeforces Surprise Language Round #6 9
974 Carpeting the Room Categories Codeforces Unknown Language Round #3 9
975 Rats Categories Codeforces Codeforces Round #155 (Div. 2) 9
976 Berland Local Positioning System Categories Codeforces Codeforces Round #298 (Div. 2) 9
977 Race Categories Codeforces Bayan 2012-2013 Elimination Round (ACM ICPC Rules, English statements) 9
978 BF_MODULUS Categories SPOJ 9
979 Polycarpus is Looking for Good Substrings Categories Codeforces VK Cup 2012 Finals (unofficial online-version) 9
980 Cycle Categories Codeforces Codeforces Beta Round #97 (Div. 1) 9
981 Asterisks Categories Codeforces Surprise Language Round #6 9
982 Reverse It! Categories Codeforces Unknown Language Round #2 9
983 Bowls Categories Codeforces Codeforces Beta Round #36 9
984 Inquisition Categories Codeforces Codeforces Beta Round #58 9
985 Friendly Numbers Categories Codeforces Unknown Language Round #3 9
986 Physical Education and Buns Categories Codeforces Codeforces Round #231 (Div. 2) 9
987 Lucky Pair Categories Codeforces Codeforces Round #104 (Div. 1) 9
988 Dormitory Categories Codeforces Codeforces Round #155 (Div. 2) 9
989 Hide-and-Seek Categories Codeforces Codeforces Beta Round #32 (Div. 2, Codeforces format) 9
990 Information Reform Categories Codeforces Codeforces Beta Round #64 9
991 Shaass and Painter Robot Categories Codeforces Codeforces Round #178 (Div. 2) 9
992 Geometrical problem Categories Codeforces Codeforces Beta Round #48 9
993 Dima and Kicks Categories Codeforces Codeforces Round #208 (Div. 2) 9
994 Fibonacci-ish II Categories Codeforces Manthan, Codefest 16 9
995 Greedy Elevator Categories Codeforces Codeforces Round #159 (Div. 2) 9
996 Red and Black Tree Categories Codeforces Codeforces Round #221 (Div. 1) 9
997 Tractor College Categories Codeforces Codeforces Round #126 (Div. 2) 9
998 HQ9+ Categories Codeforces Surprise Language Round #6 9
999 Goofy Numbers Categories Codeforces Unknown Language Round #2 9
1000 Two Paths Categories Codeforces Codeforces Beta Round #36 9
1001 A+B Categories Codeforces Unknown Language Round #3 9
1002 Candies and Stones Categories Codeforces Codeforces Beta Round #79 (Div. 1 Only) 9
1003 Black Widow Categories Codeforces Codeforces Round #366 (Div. 1) & Codeforces Round #366 (Div. 2) 9
1004 Game with Points Categories Codeforces Testing Round #9 9
1005 Deputies Categories Codeforces Croc Champ 2012 - Round 1 9
1006 BLOCK_D SOLVER Categories SPOJ 9
1007 Table Categories Codeforces Unknown Language Round #1 9
1008 Map Categories Codeforces Codeforces Beta Round #15 9
1009 Xenia and String Problem Categories Codeforces Codeforces Round #207 (Div. 1) 9
1010 Polo the Penguin and Lucky Numbers Categories Codeforces Codeforces Round #177 (Div. 1) 9
1011 Item World Categories Codeforces Codeforces Beta Round #81 9
1012 Binary Notation Categories Codeforces Surprise Language Round #6 9
1013 Pairs Categories Codeforces Yandex.Algorithm Open 2011 Qualification 1 9
1014 Bear and Chase Categories Codeforces Codeforces Round #356 (Div. 1) 9
1015 Binary Key Categories Codeforces Codeforces Round #193 (Div. 2) 9
1016 Strange Radiation Categories Codeforces Codeforces Round #425 (Div. 2) 9
1017 A + Reverse B Categories Codeforces Surprise Language Round #6 9
1018 Lucky Segments Categories Codeforces Codeforces Beta Round #91 (Div. 1 Only) 9
1019 Solitaire Categories Codeforces Codeforces Beta Round #65 (Div. 2) 9
1020 Pasha and Pipe Categories Codeforces Codeforces Round #293 (Div. 2) 9
1021 Azembler Categories Codeforces Codeforces Beta Round #76 (Div. 1 Only) & Codeforces Beta Round #76 (Div. 2 Only) 9
1022 Two Circles Categories Codeforces Codeforces Round #211 (Div. 2) 10
1023 ALIGNSUBTRACT Categories SPOJ 10
1024 Inna and Babies Categories Codeforces Codeforces Round #220 (Div. 2) 10
1025 Suns and Rays Categories Codeforces ABBYY Cup 3.0 10
1026 INI-file Categories Codeforces Unknown Language Round #2 10
1027 Deja Vu Categories Codeforces ABBYY Cup 3.0 - Finals (online version) 10
1028 Battleship Categories Codeforces Unknown Language Round #3 10
1029 Stack Categories Codeforces Surprise Language Round #6 10
1030 Robot in Basement Categories Codeforces Yandex.Algorithm 2011 Finals 10
1031 Hamming Triples Categories Codeforces Codeforces Round #238 (Div. 1) 10
1032 Suns and Rays Categories Codeforces ABBYY Cup 3.0 10
1033 Harry Potter and Moving Staircases Categories Codeforces Codeforces Beta Round #60 10
1034 Digits of Number Pi Categories Codeforces Codeforces Round #325 (Div. 1) 10
1035 Perpetual Motion Machine Categories Codeforces Codeforces Round #424 (Div. 1, rated, based on VK Cup Finals) 10
1036 Tape Programming Categories Codeforces Codeforces Round #148 (Div. 1) 10
1037 Tree and Table Categories Codeforces Codeforces Round #153 (Div. 1) 10
1038 Two Rooted Trees Categories Codeforces Codeforces Round #236 (Div. 1) 10
1039 Sequence Transformation Categories Codeforces Codeforces Round #172 (Div. 1) 10
1040 Help King Categories Codeforces Codeforces Beta Round #78 (Div. 1 Only) & Codeforces Beta Round #78 (Div. 2 Only) 10
1041 Gnomes of Might and Magic Categories Codeforces Codeforces Round #115 10
1042 Escaping on Beaveractor Categories Codeforces ABBYY Cup 3.0 - Finals (online version) 10
1043 Design Tutorial: Learn from a Game Categories Codeforces Codeforces Round #270 10
1044 Tree or not Tree Categories Codeforces Codeforces Beta Round #88 10
1045 A polyline Categories Codeforces April Fools Day Contest 10
1046 Polynom Categories Codeforces Unknown Language Round #3 10
1047 A Kleene Implementation Categories SPOJ 10
1048 Shooting Gallery Categories Codeforces School Team Contest #2 (Winter Computer School 2010/11) 10
1049 Inverse Function Categories Codeforces School Team Contest #1 (Winter Computer School 2010/11) 10
1050 Red-Black Cobweb Categories Codeforces Codeforces Round #426 (Div. 1) 10
1051 Sleeping Categories Codeforces Codeforces Beta Round #86 (Div. 1 Only) 10
1052 Vasily the Bear and Painting Square Categories Codeforces Codeforces Round #195 (Div. 2) 10
1053 Entertaining Geodetics Categories Codeforces Codeforces Beta Round #81 10
1054 Escaping on Beaveractor Categories Codeforces ABBYY Cup 3.0 - Finals (online version) 10
1055 Name the album Categories Codeforces Unknown Language Round #3 10