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