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Codeforces Div. 2 - A Problems problems
Problem Name Online Judge Year Contest Difficulty Level
1 ACM (ACronymMaker) Categories SPOJ 1
2 MUH and Sticks Categories Codeforces Codeforces Round #269 (Div. 2) 1
3 Lineland Mail Categories Codeforces Codeforces Round #Pi (Div. 2) 1
4 Little Pony and Crystal Mine Categories Codeforces Codeforces Round #259 (Div. 2) 1
5 Soldier and Bananas Categories Codeforces Codeforces Round #304 (Div. 2) 1
6 Hulk Categories Codeforces Codeforces Round #366 (Div. 2) 1
7 Bear and Five Cards Categories Codeforces Codeforces Round #356 (Div. 2) 1
8 Team Categories Codeforces Codeforces Round #143 (Div. 2) 1
9 Valera and Plates Categories Codeforces Codeforces Round #216 (Div. 2) 1
10 Asphalting Roads Categories Codeforces Codeforces Round #323 (Div. 2) 1
11 Arpa’s hard exam and Mehrdad’s naive cheat Categories Codeforces Codeforces Round #383 (Div. 2) 1
12 Word Capitalization Categories Codeforces Codeforces Round #172 (Div. 2) 1
13 The New Year: Meeting Friends Categories Codeforces Codeforces Round #375 (Div. 2) 1
14 Unimodal Array Categories Codeforces Codeforces Round #424 (Div. 2, rated, based on VK Cup Finals) 1
15 Colorful Stones (Simplified Edition) Categories Codeforces Codeforces Round #162 (Div. 2) 1
16 Epic Game Categories Codeforces Codeforces Beta Round #90 1
17 Bear and Raspberry Categories Codeforces Codeforces Round #226 (Div. 2) 1
18 Array Categories Codeforces Codeforces Round #181 (Div. 2) 1
19 Ultra-Fast Mathematician Categories Codeforces Codeforces Beta Round #57 (Div. 2) 1
20 Prime Permutations Categories CodeChef 1
21 I_love_\%username\% Categories Codeforces Codeforces Round #109 (Div. 2) 1
22 Fox And Snake Categories Codeforces Codeforces Round #290 (Div. 2) 1
23 Vanya and Cards Categories Codeforces Codeforces Round #235 (Div. 2) 1
24 Patrick and Shopping Categories Codeforces Codeforces Round #332 (Div. 2) 1
25 Primary Arithmetic Categories UVA 1
26 DZY Loves Chessboard Categories Codeforces Codeforces Round #254 (Div. 2) 1
27 Tavas and Nafas Categories Codeforces Codeforces Round #299 (Div. 2) 1
28 Triangle Categories Codeforces Codeforces Beta Round #6 (Div. 2 Only) 1
29 The Monster Categories Codeforces Codeforces Round #406 (Div. 2) 1
30 Parallelepiped Categories Codeforces Codeforces Round #138 (Div. 2) 1
31 Cinema Line Categories Codeforces Codeforces Round #202 (Div. 2) 1
32 Rounding Categories Codeforces Codeforces Round #451 (Div. 2) 1
33 Memory and Crow Categories Codeforces Codeforces Round #370 (Div. 2) 1
34 Generous Kefa Categories Codeforces Codeforces Round #429 (Div. 2) 1
35 Petya and Strings Categories Codeforces Codeforces Beta Round #85 (Div. 2 Only) 1
36 USB Flash Drives Categories Codeforces Educational Codeforces Round 3 1
37 Initial Bet Categories Codeforces Codeforces Round #273 (Div. 2) 1
38 Bear and Elections Categories Codeforces Codeforces Round #318 [RussianCodeCup Thanks-Round] (Div. 2) 1
39 Appleman and Easy Task Categories Codeforces Codeforces Round #263 (Div. 2) 1
40 Vanya and Table Categories Codeforces Codeforces Round #308 (Div. 2) 1
41 Cookies Categories Codeforces Codeforces Beta Round #94 (Div. 2 Only) 1
42 Pasha and Stick Categories Codeforces Codeforces Round #337 (Div. 2) 1
43 Wizards' Duel Categories Codeforces Codeforces Round #327 (Div. 2) 1
44 Spreadsheet Categories Codeforces Codeforces Beta Round #1 1
45 Beautiful Year Categories Codeforces Codeforces Round #166 (Div. 2) 1
46 Lucky Ticket Categories Codeforces Codeforces Round #104 (Div. 2) 1
47 Round House Categories Codeforces Codeforces Round #346 (Div. 2) 1
48 Shell Game Categories Codeforces Codeforces Round #401 (Div. 2) 1
49 Relational Operators Categories Live Archive 2009 Asia - Phuket 1
50 Helpful Maths Categories Codeforces Codeforces Round #197 (Div. 2) 1
51 The Artful Expedient Categories Codeforces Codeforces Round #439 (Div. 2) 1
52 Queue on Bus Stop Categories Codeforces Codeforces Round #249 (Div. 2) 1
53 A and B and Chess Categories Codeforces Codeforces Round #294 (Div. 2) 1
54 Theatre Square Categories Codeforces Codeforces Beta Round #1 1
55 A Serial Killer Categories Codeforces ICM Technex 2017 and Codeforces Round #400 (Div. 1 + Div. 2, combined) 1
56 I Wanna Be the Guy Categories Codeforces Codeforces Round #268 (Div. 2) 1
57 Currency System in Geraldion Categories Codeforces Codeforces Round #313 (Div. 2) 1
58 Game With Sticks Categories Codeforces Codeforces Round #258 (Div. 2) 1
59 Translation Categories Codeforces Codeforces Beta Round #40 (Div. 2) 1
60 Toy Cars Categories Codeforces Codeforces Round #303 (Div. 2) 1
61 Mishka and Game Categories Codeforces Codeforces Round #365 (Div. 2) 1
62 Vanya and Fence Categories Codeforces Codeforces Round #355 (Div. 2) 1
63 Dragons Categories Codeforces Codeforces Round #142 (Div. 2) 1
64 Calculating Function Categories Codeforces Codeforces Round #277 (Div. 2) 1
65 Vasya the Hipster Categories Codeforces Codeforces Round #322 (Div. 2) 1
66 Ostap and Grasshopper Categories Codeforces Codeforces Round #382 (Div. 2) 1
67 One-dimensional Japanese Crossword Categories Codeforces Codeforces Round #374 (Div. 2) 1
68 Sasha and Sticks Categories Codeforces Codeforces Round #425 (Div. 2) 1
69 Beautiful Matrix Categories Codeforces Codeforces Round #161 (Div. 2) 1
70 Petr and Book Categories Codeforces Codeforces Beta Round #99 (Div. 2) 1
71 String Task Categories Codeforces Codeforces Beta Round #89 (Div. 2) 1
72 Coder Categories Codeforces Codeforces Round #225 (Div. 2) 1
73 Fair Game Categories Codeforces Codeforces Round #436 (Div. 2) 1
74 Marks Categories Codeforces Codeforces Round #108 (Div. 2) 1
75 Police Recruits Categories Codeforces Codeforces Round #244 (Div. 2) 1
76 Almost Prime Categories Codeforces Codeforces Beta Round #26 (Codeforces format) 1
77 Maximum in Table Categories Codeforces Codeforces Round #289 (Div. 2, ACM ICPC Rules) 1
78 Wet Shark and Odd and Even Categories Codeforces Codeforces Round #341 (Div. 2) 1
79 Contest Categories Codeforces Codeforces Round #285 (Div. 2) 1
80 Anton and Letters Categories Codeforces Codeforces Round #253 (Div. 2) 1
81 Exam Categories Codeforces Codeforces Round #298 (Div. 2) 1
82 Opponents Categories Codeforces Codeforces Round #360 (Div. 2) 1
83 Free Cash Categories Codeforces Codeforces Round #147 (Div. 2) 1
84 Holidays Categories Codeforces Codeforces Round #350 (Div. 2) 1
85 Bear and Big Brother Categories Codeforces Codeforces Round #405 (rated, Div. 2, based on VK Cup 2017 Round 1) 1
86 Chips Categories Codeforces Codeforces Beta Round #75 (Div. 2 Only) 1
87 Taymyr is calling you Categories Codeforces Codeforces Round #395 (Div. 2) 1
88 Magic Numbers Categories Codeforces Codeforces Round #189 (Div. 2) 1
89 Way Too Long Words Categories Codeforces Codeforces Beta Round #65 (Div. 2) 1
90 Greg's Workout Categories Codeforces Codeforces Round #156 (Div. 2) 1
91 Free Ice Cream Categories Codeforces Codeforces Round #359 (Div. 2) 1
92 Nearly Lucky Number Categories Codeforces Codeforces Beta Round #84 (Div. 2 Only) 1
93 Maximum Increase Categories Codeforces Educational Codeforces Round 15 1
94 Dreamoon and Stairs Categories Codeforces Codeforces Round #272 (Div. 2) 1
95 Arrays Categories Codeforces Codeforces Round #317 [AimFund Thanks-Round] (Div. 2) 1
96 Vasya and Socks Categories Codeforces Codeforces Round #262 (Div. 2) 1
97 GukiZ and Contest Categories Codeforces Codeforces Round #307 (Div. 2) 1
98 Bus to Udayland Categories Codeforces Codeforces Round #369 (Div. 2) 1
99 Vanya and Cubes Categories Codeforces Codeforces Round #280 (Div. 2) 1
100 Duff and Meat Categories Codeforces Codeforces Round #326 (Div. 2) 1
101 Bachgold Problem Categories Codeforces Codeforces Round #388 (Div. 2) 1
102 Slightly Decreasing Permutations Categories Codeforces Codeforces Round #175 (Div. 2) 1
103 Grasshopper And the String Categories Codeforces Codeforces Round #378 (Div. 2) 1
104 Fancy Fence Categories Codeforces Codeforces Round #165 (Div. 2) 1
105 Arrival of the General Categories Codeforces Codeforces Round #103 (Div. 2) 1
106 Dasha and Stairs Categories Codeforces Codeforces Round #394 (Div. 2) 1
107 Love Triangle Categories Codeforces Codeforces Round #464 (Div. 2) 1
108 Puzzles Categories Codeforces Codeforces Round #196 (Div. 2) 1
109 Supercentral Point Categories Codeforces Codeforces Round #112 (Div. 2) 1
110 Gravity Flip Categories Codeforces Codeforces Round #238 (Div. 2) 1
111 Joysticks Categories Codeforces Codeforces Round #345 (Div. 2) 1
112 Simple Game Categories Codeforces Codeforces Round #316 (Div. 2) 1
113 Panoramix's Prediction Categories Codeforces Codeforces Beta Round #69 (Div. 2 Only) 1
114 Domino Categories Codeforces Codeforces Round #205 (Div. 2) 1
115 George and Accommodation Categories Codeforces Codeforces Round #267 (Div. 2) 1
116 Lala Land and Apple Trees Categories Codeforces Codeforces Round #312 (Div. 2) 1
117 Jzzhu and Children Categories Codeforces Codeforces Round #257 (Div. 2) 1
118 Cards Categories Codeforces Codeforces Round #364 (Div. 2) 1
119 Die Roll Categories Codeforces Codeforces Beta Round #9 (Div. 2 Only) 1
120 Nicholas and Permutation Categories Codeforces Codeforces Round #354 (Div. 2) 1
121 Nth Smallest Value Categories A2 Online Judge 1
122 Is your horseshoe on the other hoof? Categories Codeforces Codeforces Round #141 (Div. 2) 1
123 Oath of the Night's Watch Categories Codeforces Divide by Zero 2017 and Codeforces Round #399 (Div. 1 + Div. 2, combined) 1
124 Ilya and Diplomas Categories Codeforces Codeforces Round #311 (Div. 2) 1
125 Circle Line Categories Codeforces Codeforces Round #170 (Div. 2) 1
126 Vitya in the Countryside Categories Codeforces Codeforces Round #373 (Div. 2) 1
127 The Useless Toy Categories Codeforces Codeforces Round #426 (Div. 2) 1
128 Roma and Lucky Numbers Categories Codeforces Codeforces Round #160 (Div. 2) 1
129 Mike and palindrome Categories Codeforces Codeforces Round #410 (Div. 2) 1
130 Kefa and First Steps Categories Codeforces Codeforces Round #321 (Div. 2) 1
131 Soft Drinking Categories Codeforces Codeforces Round #107 (Div. 2) 1
132 IQ test Categories Codeforces Codeforces Beta Round #25 (Div. 2 Only) 1
133 Elephant Categories Codeforces Codeforces Round #340 (Div. 2) 1
134 Watching a movie Categories Codeforces Codeforces Round #284 (Div. 2) 1
135 Vitaly and Night Categories Codeforces Codeforces Round #330 (Div. 2) 1
136 Vladik and flights Categories Codeforces Codeforces Round #384 (Div. 2) 1
137 Word Categories Codeforces Codeforces Beta Round #55 (Div. 2) 1
138 Valera and Antique Items Categories Codeforces Codeforces Round #252 (Div. 2) 1
139 Reconnaissance 2 Categories Codeforces Codeforces Beta Round #34 (Div. 2) 1
140 Vitaliy and Pie Categories Codeforces Codeforces Round #297 (Div. 2) 1
141 Watermelon Categories Codeforces Codeforces Beta Round #4 (Div. 2 Only) 1
142 Boy or Girl Categories Codeforces Codeforces Round #146 (Div. 2) 1
143 Anton and Polyhedrons Categories Codeforces Codeforces Round #404 (Div. 2) 1
144 Mahmoud and Longest Uncommon Subsequence Categories Codeforces Codeforces Round #396 (Div. 2) 1
145 Even Odds Categories Codeforces Codeforces Round #188 (Div. 2) 1
146 Magnets Categories Codeforces Codeforces Round #200 (Div. 2) 1
147 Alyona and Numbers Categories Codeforces Codeforces Round #358 (Div. 2) 1
148 Keyboard Categories Codeforces Codeforces Round #271 (Div. 2) 1
149 Elections Categories Codeforces Codeforces Round #316 (Div. 2) 1
150 Pashmak and Garden Categories Codeforces Codeforces Round #261 (Div. 2) 1
151 Two Substrings Categories Codeforces Codeforces Round #306 (Div. 2) 1
152 Brain's Photos Categories Codeforces Codeforces Round #368 (Div. 2) 1
153 Fox and Number Game Categories Codeforces Codeforces Round #228 (Div. 2) 1
154 Team Olympiad Categories Codeforces Codeforces Round #279 (Div. 2) 1
155 Alena's Schedule Categories Codeforces Codeforces Round #325 (Div. 2) 1
156 Night at the Museum Categories Codeforces Codeforces Round #376 (Div. 2) 1
157 I'm bored with life Categories Codeforces Codeforces Round #422 (Div. 2) 1
158 Games Categories Codeforces Codeforces Round #164 (Div. 2) 1
159 Given Length and Sum of Digits... Categories Codeforces Codeforces Round #277.5 (Div. 2) 1
160 The number of positions Categories Codeforces Codeforces Beta Round #92 (Div. 2 Only) 1
161 Uncowed Forces Categories Codeforces Codeforces Round #334 (Div. 2) 1
162 Jamie and Alarm Snooze Categories Codeforces Codeforces Round #457 (Div. 2) 1
163 Search for Pretty Integers Categories Codeforces Technocup 2018 - Elimination Round 2 1
164 Twins Categories Codeforces Codeforces Round #111 (Div. 2) 1
165 Black Square Categories Codeforces Codeforces Round #247 (Div. 2) 1
166 Drazil and Date Categories Codeforces Codeforces Round #292 (Div. 2) 1
167 Valera and X Categories Codeforces Codeforces Round #237 (Div. 2) 1
168 System of Equations Categories Codeforces Codeforces Round #131 (Div. 2) 1
169 Jeff and Digits Categories Codeforces Codeforces Round #204 (Div. 2) 1
170 Cheap Travel Categories Codeforces Codeforces Round #266 (Div. 2) 1
171 Rewards Categories Codeforces Codeforces Round #256 (Div. 2) 1
172 Army Categories Codeforces School Personal Contest #1 (Winter Computer School 2010/11) - Codeforces Beta Round #38 (ACM-ICPC Rules) 1
173 Combination Lock Categories Codeforces Codeforces Round #301 (Div. 2) 1
174 Launch of Collider Categories Codeforces Codeforces Round #363 (Div. 2) 1
175 Infinite Sequence Categories Codeforces Codeforces Round #353 (Div. 2) 1
176 Buying A House Categories Codeforces Codeforces Round #408 (Div. 2) 1
177 Snacktower Categories Codeforces Codeforces Round #398 (Div. 2) 1
178 Cakeminator Categories Codeforces Codeforces Round #192 (Div. 2) 1
179 Domino piling Categories Codeforces Codeforces Beta Round #47 1
180 Case of the Zeros and Ones Categories Codeforces Codeforces Round #310 (Div. 2) 1
181 Lunch Rush Categories Codeforces Codeforces Round #169 (Div. 2) 1
182 Crazy Computer Categories Codeforces Codeforces Round #372 (Div. 2) 1
183 Key races Categories Codeforces Codeforces Round #427 (Div. 2) 1
184 Presents Categories Codeforces Codeforces Beta Round #97 (Div. 2) 1
185 Fake NP Categories Codeforces Codeforces Round #411 (Div. 2) 1
186 Tram Categories Codeforces Codeforces Beta Round #87 (Div. 2 Only) 1
187 Sereja and Dima Categories Codeforces Codeforces Round #223 (Div. 2) 1
188 Counterexample Categories Codeforces Codeforces Round #275 (Div. 2) 1
189 Raising Bacteria Categories Codeforces Codeforces Round #320 (Div. 2) [Bayan Thanks-Round] 1
190 Lights Out Categories Codeforces Codeforces Round #168 (Div. 2) 1
191 Business trip Categories Codeforces Codeforces Round #106 (Div. 2) 1
192 HQ9+ Categories Codeforces Codeforces Beta Round #96 (Div. 2) 1
193 Minimum Difficulty Categories Codeforces Codeforces Round #283 (Div. 2) 1
194 Hongcow Learns the Cyclic Shift Categories Codeforces Codeforces Round #385 (Div. 2) 1
195 Shaass and Oskols Categories Codeforces Codeforces Round #178 (Div. 2) 1
196 Chat room Categories Codeforces Codeforces Beta Round #54 (Div. 2) 1
197 An abandoned sentiment from past Categories Codeforces Codeforces Round #418 (Div. 2) 1
198 Shortest path of the king Categories Codeforces Codeforces Beta Round #3 1
199 Andryusha and Socks Categories Codeforces ?????????? 2017 - ????? (?????? ??? ??????-??????????) 1
200 k-String Categories Codeforces Codeforces Round #135 (Div. 2) 1
201 Tetrahedron Categories Codeforces Codeforces Round #113 (Div. 2) 1
202 Two Buttons Categories Codeforces Codeforces Round #295 (Div. 2) 1
203 Young Physicist Categories Codeforces Codeforces Beta Round #63 (Div. 2) 1
204 Devu, the Singer and Churu, the Joker Categories Codeforces Codeforces Round #251 (Div. 2) 1
205 Playing with Paper Categories Codeforces Codeforces Round #296 (Div. 2) 1
206 Vladik and Courtesy Categories Codeforces Codeforces Round #416 (Div. 2) 1
207 Perfect Permutation Categories Codeforces Codeforces Round #144 (Div. 2) 1
208 Toy Army Categories Codeforces Codeforces Beta Round #72 (Div. 2 Only) 1
209 Design Tutorial: Learn from Math Categories Codeforces Codeforces Round #270 1
210 Laptops Categories Codeforces Codeforces Round #260 (Div. 2) 1
211 Football Categories Codeforces Codeforces Beta Round #42 (Div. 2) 1
212 Mike and Fax Categories Codeforces Codeforces Round #305 (Div. 2) 1
213 Beru-taxi Categories Codeforces Codeforces Round #367 (Div. 2) 1
214 A Good Contest Categories Codeforces Codeforces Round #357 (Div. 2) 1
215 Giga Tower Categories Codeforces Codeforces Round #278 (Div. 2) 1
216 Olesya and Rodion Categories Codeforces Codeforces Round #324 (Div. 2) 1
217 Balloons Colors Categories A2 Online Judge 1
218 Bit++ Categories Codeforces Codeforces Round #173 (Div. 2) 1
219 Buy a Shovel Categories Codeforces Codeforces Round #377 (Div. 2) 1
220 Stones on the Table Categories Codeforces Codeforces Round #163 (Div. 2) 1
221 Amusing Joke Categories Codeforces Codeforces Round #101 (Div. 2) 1
222 Lucky Division Categories Codeforces Codeforces Beta Round #91 (Div. 2 Only) 1
223 Gotta Catch Em' All! Categories Codeforces Codecraft-17 and Codeforces Round #391 (Div. 1 + Div. 2, combined) 1
224 Cloning Toys Categories Codeforces Codeforces Round #461 (Div. 2) 1
225 Candy Bags Categories Codeforces Codeforces Round #194 (Div. 2) 1
226 Trip For Meal Categories Codeforces Codeforces Round #441 (Div. 2, by Moscow Team Olympiad) 1
227 Choosing Teams Categories Codeforces Codeforces Round #246 (Div. 2) 1
228 Chewba?ca and Number Categories Codeforces Codeforces Round #291 (Div. 2) 1
229 Far Relative’s Birthday Cake Categories Codeforces Codeforces Round #343 (Div. 2) 1
230 Dubstep Categories Codeforces Codeforces Round #130 (Div. 2) 1
231 Amr and Music Categories Codeforces Codeforces Round #287 (Div. 2) 1
232 Two Bases Categories Codeforces Codeforces Round #333 (Div. 2) 1
233 inc ARG Categories Codeforces Codeforces Round #265 (Div. 2) 1
234 Cut Ribbon Categories Codeforces Codeforces Round #119 (Div. 2) 1
235 Towers Categories Codeforces Codeforces Beta Round #37 1
236 Pineapple Incident Categories Codeforces Codeforces Round #362 (Div. 2) 1
237 Summer Camp Categories Codeforces Codeforces Round #352 (Div. 2) 1
238 Anastasia and pebbles Categories Codeforces Codeforces Round #407 (Div. 2) 1
239 Football Categories Codeforces Codeforces Beta Round #77 (Div. 2 Only) 1
240 Rare Order Categories UVA 1
241 Flipping Game Categories Codeforces Codeforces Round #191 (Div. 2) 1
242 Life Without Zeros Categories Codeforces Codeforces Beta Round #67 (Div. 2) 1
243 TL Categories Codeforces Codeforces Round #203 (Div. 2) 1
244 Kyoya and Photobooks Categories Codeforces Codeforces Round #309 (Div. 2) 1
245 Meeting of Old Friends Categories Codeforces Codeforces Round #371 (Div. 2) 1
246 Arya and Bran Categories Codeforces Codeforces Round #428 (Div. 2) 1
247 Cifera Categories Codeforces Codeforces Beta Round #86 (Div. 2 Only) 1
248 Playing with Dice Categories Codeforces Codeforces Round #222 (Div. 2) 1
249 Heist Categories Codeforces Codeforces Round #509 (Div. 2) 1
250 Expression Categories Codeforces Codeforces Round #274 (Div. 2) 1
251 Multiplication Table Categories Codeforces Codeforces Round #319 (Div. 2) 1
252 Caisa and Sugar Categories Codeforces Codeforces Round #264 (Div. 2) 1
253 Insomnia cure Categories Codeforces Codeforces Round #105 (Div. 2) 1
254 cAPS lOCK Categories Codeforces Codeforces Beta Round #95 (Div. 2) 1
255 Bulbs Categories Codeforces Codeforces Round #338 (Div. 2) 1
256 Hexadecimal's theorem Categories Codeforces Codeforces Round #125 (Div. 2) 1
257 Compote Categories Codeforces Codeforces Round #386 (Div. 2) 1
258 Anton and Danik Categories Codeforces Codeforces Round #379 (Div. 2) 1
259 Karen and Morning Categories Codeforces Codeforces Round #419 (Div. 2) 1
260 Dima and Friends Categories Codeforces Codeforces Round #167 (Div. 2) 1
261 Complicated GCD Categories Codeforces Codeforces Round #347 (Div. 2) 1
262 Pupils Redistribution Categories Codeforces Codeforces Round #402 (Div. 2) 1
263 Holiday Of Equality Categories Codeforces Codeforces Round #392 (Div. 2) 1
264 Tiling a Grid With Dominoes Categories Live Archive 2007 North America - Greater NY 1
265 Ilya and Bank Account Categories Codeforces Codeforces Round #186 (Div. 2) 1
266 Pangram Categories Codeforces Codeforces Round #295 (Div. 2) 1
267 Winner Categories Codeforces Codeforces Beta Round #2 1
268 Group of Students Categories Codeforces Codeforces Round #207 (Div. 2) 2
269 Sagheer and Crossroads Categories Codeforces Codeforces Round #417 (Div. 2) 2
270 SwapSort Categories Codeforces Codeforces Round #277.5 (Div. 2) 2
271 Points on Line Categories Codeforces Codeforces Round #153 (Div. 1) & Codeforces Round #153 (Div. 2) 2
272 Next Test Categories Codeforces Codeforces Beta Round #27 (Codeforces format, Div. 2) 2
273 Little Elephant and Rozdil Categories Codeforces Codeforces Round #129 (Div. 2) 2
274 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
275 Comparing Strings Categories Codeforces Codeforces Round #118 (Div. 2) 2
276 Two Bags of Potatoes Categories Codeforces Codeforces Round #148 (Div. 2) 2
277 Bear and Game Categories Codeforces Codeforces Round #351 (VK Cup 2016 Round 3, Div. 2 Edition) 2
278 Restoring Password Categories Codeforces Codeforces Beta Round #76 (Div. 2 Only) 2
279 Book Replacement Categories Live Archive 2005 Asia - Tokyo 2
280 Ciel and Dancing Categories Codeforces Codeforces Round #190 (Div. 2) 2
281 Little Elephant and Chess Categories Codeforces Codeforces Round #157 (Div. 2) 2
282 Carrot Cakes Categories Codeforces Playrix Codescapes Cup (Codeforces Round #413, rated, Div. 1 + Div. 2) 2
283 Lever Categories Codeforces Codeforces Round #221 (Div. 2) 2
284 Soroban Categories Codeforces Codeforces Round #211 (Div. 2) 2
285 Vasya and Football Categories Codeforces Codeforces Round #281 (Div. 2) 2
286 Display Size Categories Codeforces Codeforces Round #387 (Div. 2) 2
287 IQ Test Categories Codeforces Codeforces Round #176 (Div. 2) 2
288 Okabe and Future Gadget Laboratory Categories Codeforces Codeforces Round #420 (Div. 2) 2
289 Chess Tourney Categories Codeforces Educational Codeforces Round 27 2
290 Petr and a calendar Categories Codeforces Codeforces Round #393 (Div. 2) (8VC Venture Cup 2017 - Final Round Div. 2 Edition) 2
291 Rank List Categories Codeforces Codeforces Round #113 (Div. 2) 2
292 Line to Cashier Categories Codeforces Codeforces Round #239 (Div. 2) 2
293 Blackjack Categories Codeforces Codeforces Beta Round #80 (Div. 2 Only) 2
294 Vasya and Digital Root Categories Codeforces Codeforces Round #206 (Div. 2) 2
295 Cupboards Categories Codeforces Codeforces Round #152 (Div. 2) 2
296 Vicious Keyboard Categories Codeforces Codeforces Round #409 (rated, Div. 2, based on VK Cup 2017 Round 2) 2
297 Sereja and Coat Rack Categories Codeforces Codeforces Round #215 (Div. 2) 2
298 Alyona and flowers Categories Codeforces Codeforces Round #381 (Div. 2) 2
299 Inna and Choose Options Categories Codeforces Codeforces Round #234 (Div. 2) 2
300 Wilbur and Swimming Pool Categories Codeforces Codeforces Round #331 (Div. 2) 2
301 Santa Claus and a Place in a Class Categories Codeforces Technocup 2017 - Elimination Round 3 2
302 Chat Servers Outgoing Traffic Categories Codeforces Codeforces Beta Round #5 2
303 Shooshuns and Sequence Categories Codeforces Codeforces Round #137 (Div. 2) 2
304 Difference Row Categories Codeforces Codeforces Round #201 (Div. 2) 2
305 Chess For Three Categories Codeforces Educational Codeforces Round 33 (Rated for Div. 2) 2
306 Bank Robbery Categories Codeforces Tinkoff Challenge - Final Round (Codeforces Round #414, rated, Div. 1 + Div. 2) 2
307 Levko and Table Categories Codeforces Codeforces Round #210 (Div. 2) 2
308 Triangular numbers Categories Codeforces Codeforces Beta Round #44 (Div. 2) 2
309 Wasted Time Categories Codeforces Codeforces Beta Round #93 (Div. 2 Only) 2
310 Saitama Destroys Hotel Categories Codeforces Codeforces Round #336 (Div. 2) 2
311 Mister B and Book Reading Categories Codeforces Codeforces Round #421 (Div. 2) 2
312 Bicycle Chain Categories Codeforces Codeforces Round #132 (Div. 2) 2
313 Magic Spheres Categories Codeforces Codeforces Round #335 (Div. 2) 2
314 Chores Categories Codeforces Educational Codeforces Round 30 2
315 Kitahara Haruki's Gift Categories Codeforces Codeforces Round #248 (Div. 2) 2
316 Vitaly and Strings Categories Codeforces Codeforces Round #293 (Div. 2) 2
317 Set of Strings Categories Codeforces Codeforces Round #302 (Div. 2) 2
318 Buggy Sorting Categories Codeforces Codeforces Round #151 (Div. 2) 2
319 Ksenia and Pan Scales Categories Codeforces Codeforces Round #224 (Div. 2) 2
320 Factory Categories Codeforces Codeforces Round #276 (Div. 2) 2
321 Sereja and Mugs Categories Codeforces Codeforces Round #243 (Div. 2) 2
322 Pasha and Pixels Categories Codeforces Codeforces Round #288 (Div. 2) 2
323 Yaroslav and Permutations Categories Codeforces Codeforces Round #179 (Div. 2) 2
324 Alyona and copybooks Categories Codeforces Codeforces Round #381 (Div. 2) 2
325 Pouring Rain Categories Codeforces Codeforces Round #349 (Div. 2) 2
326 Little Elephant and Function Categories Codeforces Codeforces Round #136 (Div. 2) 2
327 Straight <<A>> Categories Codeforces Codeforces Round #415 (Div. 2) 2
328 Palindromic Times Categories Codeforces Codeforces Beta Round #83 (Div. 2 Only) 2
329 Collecting Beats is Fun Categories Codeforces Codeforces Round #219 (Div. 2) 2
330 Table Categories Codeforces Codeforces Round #209 (Div. 2) 2
331 Fenwick Trees Categories SPOJ 2
332 Second Order Statistics Categories Codeforces Codeforces Beta Round #22 (Div. 2 Only) 2
333 Help Vasilisa the Wise 2 Categories Codeforces Codeforces Round #102 (Div. 2) 2
334 Lesha and array splitting Categories Codeforces Codeforces Round #390 (Div. 2) 2
335 Sinking Ship Categories Codeforces Codeforces Beta Round #59 (Div. 2) 2
336 Vasily the Bear and Triangle Categories Codeforces Codeforces Round #195 (Div. 2) 2
337 Interview Categories Codeforces Codeforces Round #344 (Div. 2) 2
338 Good Number Categories Codeforces Codeforces Round #213 (Div. 2) 2
339 Squats Categories Codeforces Codeforces Round #242 (Div. 2) 2
340 Link/Cut Tree Categories Codeforces Codeforces Round #339 (Div. 2) 2
341 2Char Categories Codeforces Codeforces Round #329 (Div. 2) 2
342 Interview with Oleg Categories Codeforces Technocup 2017 - Elimination Round 2 2
343 Little Artem and Presents Categories Codeforces Codeforces Round #348 (VK Cup 2016 Round 2, Div. 2 Edition) 2
344 Xenia and Divisors Categories Codeforces Codeforces Round #199 (Div. 2) 2
345 Dima and Continuous Line Categories Codeforces Codeforces Round #208 (Div. 2) 2
346 Boys and Girls Categories Codeforces Codeforces Round #154 (Div. 2) 2
347 Restaurant Tables Categories Codeforces Codeforces Round #423 (Div. 2, rated, based on VK Cup Finals) 2
348 George and Sleep Categories Codeforces Codeforces Round #227 (Div. 2) 2
349 Eugeny and Array Categories Codeforces Codeforces Round #182 (Div. 2) 2
350 Game Outcome Categories Codeforces Codeforces Round #110 (Div. 2) 2
351 DZY Loves Hash Categories Codeforces Codeforces Round #255 (Div. 2) 2
352 Cutting Banner Categories Codeforces Codeforces Round #300 2
353 Neverending competitions Categories Codeforces Codeforces Round #397 by Kaspersky Lab and Barcelona Bootcamp (Div. 1 + Div. 2 combined) 2
354 Flag Categories Codeforces Codeforces Beta Round #16 (Div. 2 Only) 2
355 Adding Digits Categories Codeforces Codeforces Round #158 (Div. 2) 2
356 Is it rated? Categories Codeforces Codeforces Round #412 (rated, Div. 2, base on VK Cup 2017 Round 3) 2
357 Digital Counter Categories Codeforces Codeforces Round #282 (Div. 2) 2
358 PawnChess Categories Codeforces Codeforces Round #328 (Div. 2) 2
359 Mashmokh and Lights Categories Codeforces Codeforces Round #240 (Div. 2) 2
360 The Wall Categories Codeforces Codeforces Round #198 (Div. 2) 2
361 Bark to Unlock Categories Codeforces Codeforces Round #438 by Sberbank and Barcelona Bootcamp (Div. 1 + Div. 2 combined) 2
362 Wizards and Demonstration Categories Codeforces Codeforces Round #114 (Div. 2) 2
363 The Child and Homework Categories Codeforces Codeforces Round #250 (Div. 2) 2
364 Rook, Bishop and King Categories Codeforces Codeforces Round #217 (Div. 2) 3
365 Increasing Sequence Categories Codeforces Codeforces Beta Round #11 3
366 Little Xor Categories Codeforces Codeforces Round #153 (Div. 2) 3
367 New Year Table Categories Codeforces Codeforces Round #100 3
368 Down the Hatch! Categories Codeforces Codeforces Round #193 (Div. 2) 3
369 Guest From the Past Categories Codeforces Codeforces Round #342 (Div. 2) 3
370 Mike and Cellphone Categories Codeforces Codeforces Round #361 (Div. 2) 3
371 Array Categories Codeforces Codeforces Round #138 (Div. 2) 3
372 Bar Categories Codeforces Codeforces Beta Round #52 (Div. 2) 3
373 Tiling with Hexagons Categories Codeforces Codeforces Round #133 (Div. 2) 3
374 Whose sentence is it? Categories Codeforces Codeforces Round #185 (Div. 2) 3
375 Petya and Java Categories Codeforces Codeforces Beta Round #61 (Div. 2) 3
376 Worms Evolution Categories Codeforces Codeforces Beta Round #31 (Div. 2, Codeforces format) 3
377 Johnny and the Watermelon Plantation Categories SPOJ 3
378 Haiku Categories Codeforces Codeforces Beta Round #70 (Div. 2) 3
379 Point on Spiral Categories Codeforces Codeforces Round #171 (Div. 2) 3
380 Snow Footprints Categories Codeforces Codeforces Round #180 (Div. 2) 3
381 Two Problems Categories Codeforces Codeforces Round #128 (Div. 2) 3
382 Letter Categories Codeforces Codeforces Beta Round #14 (Div. 2) 3
383 Let's Watch Football Categories Codeforces Codeforces Round #123 (Div. 2) 3
384 Postcards and photos Categories Codeforces Codeforces Beta Round #98 (Div. 2) 3
385 Dima and Guards Categories Codeforces Codeforces Round #214 (Div. 2) 3
386 LLPS Categories Codeforces Codeforces Round #127 (Div. 2) 3
387 The Map Categories SPOJ 3
388 Ball Game Categories Codeforces School Personal Contest #2 (Winter Computer School 2010/11) - Codeforces Beta Round #43 (ACM-ICPC Rules) 3
389 Numbers Categories Codeforces Codeforces Beta Round #13 3
390 Cards with Numbers Categories Codeforces Codeforces Round #155 (Div. 2) 3
391 Exams Categories Codeforces Codeforces Round #122 (Div. 2) 3
392 Cows and Primitive Roots Categories Codeforces Codeforces Round #174 (Div. 2) 3
393 Pythagorean Theorem II Categories Codeforces Codeforces Round #183 (Div. 2) 3
394 Room Leader Categories Codeforces Codeforces Beta Round #68 3
395 Vasya and the Bus Categories Codeforces Codeforces Round #120 (Div. 2) 3
396 Dividing Orange Categories Codeforces Codeforces Round #150 (Div. 2) 3
397 Help Far Away Kingdom Categories Codeforces Codeforces Beta Round #78 (Div. 2 Only) 3
398 Noldbach problem Categories Codeforces Codeforces Beta Round #17 3
399 Sockets Categories Codeforces Codeforces Round #159 (Div. 2) 3
400 Sereja and Bottles Categories Codeforces Codeforces Round #187 (Div. 2) 3
401 Card Game Categories Codeforces Codeforces Beta Round #82 (Div. 2) 3
402 K-Periodic Array Categories Codeforces Codeforces Round #218 (Div. 2) 3
403 Music Categories Codeforces Codeforces Round #315 (Div. 2) 3
404 Super Agent Categories Codeforces Codeforces Beta Round #12 (Div 2 Only) 3
405 Funky Numbers Categories Codeforces Codeforces Round #121 (Div. 2) 3
406 Nuts Categories Codeforces Codeforces Round #236 (Div. 2) 3
407 Kalevitch and Chess Categories Codeforces Codeforces Beta Round #7 3
408 Heads or Tails Categories Codeforces Codeforces Round #149 (Div. 2) 3
409 Dice Tower Categories Codeforces Codeforces Round #139 (Div. 2) 3
410 Sleuth Categories Codeforces Codeforces Beta Round #46 (Div. 2) 3
411 Guess a number! Categories Codeforces Codeforces Round #241 (Div. 2) 3
412 Polo the Penguin and Segments Categories Codeforces Codeforces Round #177 (Div. 2) 3
413 Reconnaissance Categories Codeforces Codeforces Beta Round #32 (Div. 2, Codeforces format) 3
414 Bus Game Categories Codeforces Codeforces Beta Round #71 4
415 BerOS file system Categories Codeforces Codeforces Alpha Round #20 (Codeforces format) 4
416 Nineteen Categories Codeforces Codeforces Round #230 (Div. 2) 4
417 Plate Game Categories Codeforces Codeforces Round #124 (Div. 2) 4
418 Ring road Categories Codeforces Codeforces Beta Round #24 4
419 Power Consumption Calculation Categories Codeforces Codeforces Beta Round #10 4
420 Where Are My Flakes? Categories Codeforces Codeforces Beta Round #56 4
421 Shell Game Categories Codeforces Codeforces Beta Round #35 (Div. 2) 4
422 You're Given a String... Categories Codeforces Codeforces Beta Round #23 4
423 K-Palindrome Categories A2 Online Judge 4
424 Strange Addition Categories Codeforces Codeforces Round #184 (Div. 2) 4
425 Triangle Categories Codeforces Codeforces Beta Round #18 (Div. 2 Only) 4
426 Cableway Categories Codeforces Codeforces Beta Round #74 (Div. 2 Only) 4
427 Cookies Categories Codeforces Codeforces Beta Round #64 4
428 Spit Problem Categories Codeforces Codeforces Beta Round #29 (Div. 2, Codeforces format) 4
429 Train and Peter Categories Codeforces Codeforces Beta Round #8 4
430 Where do I Turn? Categories Codeforces Codeforces Round #140 (Div. 2) 4
431 Binary Search Categories Live Archive 2000 Europe - Northeastern 4
432 Lefthanders and Righthanders Categories Codeforces Codeforces Round #145 (Div. 2, ACM-ICPC Rules) 4
433 Chord Categories Codeforces Codeforces Beta Round #73 (Div. 2 Only) 4
434 Autocomplete Categories Codeforces Codeforces Beta Round #49 (Div. 2) 4
435 A Student's Dream Categories Codeforces Codeforces Beta Round #58 4
436 Two Semiknights Meet Categories Codeforces Codeforces Round #212 (Div. 2) 4
437 Mountain Scenery Categories Codeforces Codeforces Round #134 (Div. 2) 4
438 Irrational problem Categories Codeforces Codeforces Beta Round #62 4
439 Guilty --- to the kitchen! Categories Codeforces Codeforces Beta Round #41 5
440 April Fools' Problem (easy) Categories Codeforces Helvetic Coding Contest 2017 online mirror (teams allowed, unrated) 5
441 Points and Segments (easy) Categories Codeforces Codeforces Round #245 (Div. 2) 5
442 Extra-terrestrial Intelligence Categories Codeforces Codeforces Beta Round #36 5
443 Cottage Village Categories Codeforces Codeforces Beta Round #15 5
444 Rock-paper-scissors Categories Codeforces School Personal Contest #3 (Winter Computer School 2010/11) - Codeforces Beta Round #45 (ACM-ICPC Rules) 5
445 World Football Cup Categories Codeforces Codeforces Beta Round #19 5
446 Inna and Pink Pony Categories Codeforces Codeforces Round #220 (Div. 2) 5
447 Inna and Alarm Clock Categories Codeforces Codeforces Round #229 (Div. 2) 5
448 Flea travel Categories Codeforces Codeforces Beta Round #51 5
449 Accounting Categories Codeforces Codeforces Beta Round #30 (Codeforces format) 5
450 Find Color Categories Codeforces Codeforces Beta Round #39 5
451 Clothes Categories Codeforces Codeforces Beta Round #79 (Div. 2 Only) 5
452 Elevator Categories Codeforces Codeforces Beta Round #88 5
453 Pages Categories Codeforces Codeforces Round #233 (Div. 2) 5
454 Robot Bicorn Attack Categories Codeforces Codeforces Round #115 5
455 What is for dinner? Categories Codeforces Codeforces Beta Round #33 (Codeforces format) 5
456 Game with String Categories Codeforces Codeforces Round #468 (Div. 1, based on Technocup 2018 Final Round) & Codeforces Round #468 (Div. 2, based on Technocup 2018 Final Round) 5
457 Chef and The Recursive Algorithm Categories CodeChef 5
458 Counting Sticks Categories Codeforces Codeforces Round #231 (Div. 2) 5
459 Square Earth? Categories Codeforces Codeforces Beta Round #53 5
460 Transmigration Categories Codeforces Codeforces Beta Round #81 6
461 The Elder Trolls IV: Oblivon Categories Codeforces Codeforces Beta Round #66 6
462 Harry Potter and Three Spells Categories Codeforces Codeforces Beta Round #60 6
463 Cheaterius's Problem Categories Codeforces Codeforces Beta Round #48 6
464 Grasshopper Categories UVA 6
465 Presents Categories Codeforces Codeforces Beta Round #50 6
466 On Segment's Own Points Categories Codeforces Codeforces Round #232 (Div. 2) 6
467 Vasya and Types Categories Codeforces Codeforces Beta Round #73 (Div. 1 Only) & Codeforces Beta Round #73 (Div. 2 Only) 7
468 Jabber ID Categories Codeforces Codeforces Alpha Round #21 (Codeforces format) 7
469 Bender Problem Categories Codeforces Codeforces Beta Round #28 (Codeforces format) 7
470 Amr and Math Categories SPOJ 8
471 Watermelons Categories TJU 8
472 Defragmentation Categories Codeforces Codeforces Round #116 (Div. 2, ACM-ICPC Rules) 8
473 Cinema Categories Codeforces Codeforces Round #126 (Div. 2) 8
474 Prefix Sums Categories Codeforces Educational Codeforces Round 26 8
475 Battlefield Categories Codeforces Codeforces Round #117 (Div. 2) 9
476 bfs Categories SPOJ 10