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Codeforces Div. 2 - A Problems problems
Problem Name Online Judge Year Contest Difficulty Level
1 Appleman and Easy Task Categories Codeforces Codeforces Round #263 (Div. 2) 1
2 TL Categories Codeforces Codeforces Round #203 (Div. 2) 1
3 Calculating Function Categories Codeforces Codeforces Round #277 (Div. 2) 1
4 Magic Numbers Categories Codeforces Codeforces Round #189 (Div. 2) 1
5 Holidays Categories Codeforces Codeforces Round #350 (Div. 2) 1
6 Word Categories Codeforces Codeforces Beta Round #55 (Div. 2) 1
7 Fake NP Categories Codeforces Codeforces Round #411 (Div. 2) 1
8 Fox And Snake Categories Codeforces Codeforces Round #290 (Div. 2) 1
9 Cards Categories Codeforces Codeforces Round #364 (Div. 2) 1
10 Contest Categories Codeforces Codeforces Round #285 (Div. 2) 1
11 Free Ice Cream Categories Codeforces Codeforces Round #359 (Div. 2) 1
12 Bear and Raspberry Categories Codeforces Codeforces Round #226 (Div. 2) 1
13 Parallelepiped Categories Codeforces Codeforces Round #138 (Div. 2) 1
14 Tavas and Nafas Categories Codeforces Codeforces Round #299 (Div. 2) 1
15 Vitya in the Countryside Categories Codeforces Codeforces Round #373 (Div. 2) 1
16 Trip For Meal Categories Codeforces Codeforces Round #441 (Div. 2, by Moscow Team Olympiad) 1
17 Currency System in Geraldion Categories Codeforces Codeforces Round #313 (Div. 2) 1
18 Tiling a Grid With Dominoes Categories Live Archive 2007 North America - Greater NY 1
19 Vanya and Table Categories Codeforces Codeforces Round #308 (Div. 2) 1
20 Tram Categories Codeforces Codeforces Beta Round #87 (Div. 2 Only) 1
21 Queue on Bus Stop Categories Codeforces Codeforces Round #249 (Div. 2) 1
22 Beautiful Matrix Categories Codeforces Codeforces Round #161 (Div. 2) 1
23 Vasya the Hipster Categories Codeforces Codeforces Round #322 (Div. 2) 1
24 Amusing Joke Categories Codeforces Codeforces Round #101 (Div. 2) 1
25 ACM (ACronymMaker) Categories SPOJ 1
26 Slightly Decreasing Permutations Categories Codeforces Codeforces Round #175 (Div. 2) 1
27 Andryusha and Socks Categories Codeforces ?????????? 2017 - ????? (?????? ??? ??????-??????????) 1
28 Shortest path of the king Categories Codeforces Codeforces Beta Round #3 1
29 Vanya and Cards Categories Codeforces Codeforces Round #235 (Div. 2) 1
30 Joysticks Categories Codeforces Codeforces Round #345 (Div. 2) 1
31 Vladik and Courtesy Categories Codeforces Codeforces Round #416 (Div. 2) 1
32 Arya and Bran Categories Codeforces Codeforces Round #428 (Div. 2) 1
33 HQ9+ Categories Codeforces Codeforces Beta Round #96 (Div. 2) 1
34 Game With Sticks Categories Codeforces Codeforces Round #258 (Div. 2) 1
35 Snacktower Categories Codeforces Codeforces Round #398 (Div. 2) 1
36 Dreamoon and Stairs Categories Codeforces Codeforces Round #272 (Div. 2) 1
37 Free Cash Categories Codeforces Codeforces Round #147 (Div. 2) 1
38 Cut Ribbon Categories Codeforces Codeforces Round #119 (Div. 2) 1
39 Vanya and Cubes Categories Codeforces Codeforces Round #280 (Div. 2) 1
40 Nicholas and Permutation Categories Codeforces Codeforces Round #354 (Div. 2) 1
41 A and B and Chess Categories Codeforces Codeforces Round #294 (Div. 2) 1
42 Brain's Photos Categories Codeforces Codeforces Round #368 (Div. 2) 1
43 Karen and Morning Categories Codeforces Codeforces Round #419 (Div. 2) 1
44 Valera and Plates Categories Codeforces Codeforces Round #216 (Div. 2) 1
45 Dragons Categories Codeforces Codeforces Round #142 (Div. 2) 1
46 Toy Cars Categories Codeforces Codeforces Round #303 (Div. 2) 1
47 Night at the Museum Categories Codeforces Codeforces Round #376 (Div. 2) 1
48 Police Recruits Categories Codeforces Codeforces Round #244 (Div. 2) 1
49 Greg's Workout Categories Codeforces Codeforces Round #156 (Div. 2) 1
50 Arrays Categories Codeforces Codeforces Round #317 [AimFund Thanks-Round] (Div. 2) 1
51 Hongcow Learns the Cyclic Shift Categories Codeforces Codeforces Round #385 (Div. 2) 1
52 Circle Line Categories Codeforces Codeforces Round #170 (Div. 2) 1
53 Lucky Division Categories Codeforces Codeforces Beta Round #91 (Div. 2 Only) 1
54 Anton and Letters Categories Codeforces Codeforces Round #253 (Div. 2) 1
55 Fancy Fence Categories Codeforces Codeforces Round #165 (Div. 2) 1
56 Duff and Meat Categories Codeforces Codeforces Round #326 (Div. 2) 1
57 Tetrahedron Categories Codeforces Codeforces Round #113 (Div. 2) 1
58 Insomnia cure Categories Codeforces Codeforces Round #105 (Div. 2) 1
59 George and Accommodation Categories Codeforces Codeforces Round #267 (Div. 2) 1
60 USB Flash Drives Categories Codeforces Educational Codeforces Round 3 1
61 Elephant Categories Codeforces Codeforces Round #340 (Div. 2) 1
62 Anastasia and pebbles Categories Codeforces Codeforces Round #407 (Div. 2) 1
63 Vasya and Socks Categories Codeforces Codeforces Round #262 (Div. 2) 1
64 Cinema Line Categories Codeforces Codeforces Round #202 (Div. 2) 1
65 Translation Categories Codeforces Codeforces Beta Round #40 (Div. 2) 1
66 Even Odds Categories Codeforces Codeforces Round #188 (Div. 2) 1
67 Chat room Categories Codeforces Codeforces Beta Round #54 (Div. 2) 1
68 Maximum in Table Categories Codeforces Codeforces Round #289 (Div. 2, ACM ICPC Rules) 1
69 Launch of Collider Categories Codeforces Codeforces Round #363 (Div. 2) 1
70 Unimodal Array Categories Codeforces Codeforces Round #424 (Div. 2, rated, based on VK Cup Finals) 1
71 Watching a movie Categories Codeforces Codeforces Round #284 (Div. 2) 1
72 Alyona and Numbers Categories Codeforces Codeforces Round #358 (Div. 2) 1
73 Young Physicist Categories Codeforces Codeforces Beta Round #63 (Div. 2) 1
74 Coder Categories Codeforces Codeforces Round #225 (Div. 2) 1
75 Exam Categories Codeforces Codeforces Round #298 (Div. 2) 1
76 Crazy Computer Categories Codeforces Codeforces Round #372 (Div. 2) 1
77 Football Categories Codeforces Codeforces Beta Round #77 (Div. 2 Only) 1
78 Prime Permutations Categories CodeChef 1
79 Lala Land and Apple Trees Categories Codeforces Codeforces Round #312 (Div. 2) 1
80 Balloons Colors Categories A2 Online Judge 1
81 Relational Operators Categories Live Archive 2009 Asia - Phuket 1
82 Cifera Categories Codeforces Codeforces Beta Round #86 (Div. 2 Only) 1
83 Rounding Categories Codeforces Codeforces Round #451 (Div. 2) 1
84 Roma and Lucky Numbers Categories Codeforces Codeforces Round #160 (Div. 2) 1
85 Kefa and First Steps Categories Codeforces Codeforces Round #321 (Div. 2) 1
86 Almost Prime Categories Codeforces Codeforces Beta Round #26 (Codeforces format) 1
87 Gotta Catch Em' All! Categories Codeforces Codecraft-17 and Codeforces Round #391 (Div. 1 + Div. 2, combined) 1
88 Pupils Redistribution Categories Codeforces Codeforces Round #402 (Div. 2) 1
89 Winner Categories Codeforces Codeforces Beta Round #2 1
90 Toy Army Categories Codeforces Codeforces Beta Round #72 (Div. 2 Only) 1
91 GukiZ and Contest Categories Codeforces Codeforces Round #307 (Div. 2) 1
92 Generous Kefa Categories Codeforces Codeforces Round #429 (Div. 2) 1
93 cAPS lOCK Categories Codeforces Codeforces Beta Round #95 (Div. 2) 1
94 Jzzhu and Children Categories Codeforces Codeforces Round #257 (Div. 2) 1
95 Vitaly and Night Categories Codeforces Codeforces Round #330 (Div. 2) 1
96 Helpful Maths Categories Codeforces Codeforces Round #197 (Div. 2) 1
97 I_love_\%username\% Categories Codeforces Codeforces Round #109 (Div. 2) 1
98 Keyboard Categories Codeforces Codeforces Round #271 (Div. 2) 1
99 Team Olympiad Categories Codeforces Codeforces Round #279 (Div. 2) 1
100 Cakeminator Categories Codeforces Codeforces Round #192 (Div. 2) 1
101 Infinite Sequence Categories Codeforces Codeforces Round #353 (Div. 2) 1
102 Beru-taxi Categories Codeforces Codeforces Round #367 (Div. 2) 1
103 Boy or Girl Categories Codeforces Codeforces Round #146 (Div. 2) 1
104 Life Without Zeros Categories Codeforces Codeforces Beta Round #67 (Div. 2) 1
105 Is your horseshoe on the other hoof? Categories Codeforces Codeforces Round #141 (Div. 2) 1
106 Buy a Shovel Categories Codeforces Codeforces Round #377 (Div. 2) 1
107 The Artful Expedient Categories Codeforces Codeforces Round #439 (Div. 2) 1
108 Elections Categories Codeforces Codeforces Round #316 (Div. 2) 1
109 Compote Categories Codeforces Codeforces Round #386 (Div. 2) 1
110 Lunch Rush Categories Codeforces Codeforces Round #169 (Div. 2) 1
111 Gravity Flip Categories Codeforces Codeforces Round #238 (Div. 2) 1
112 Ilya and Diplomas Categories Codeforces Codeforces Round #311 (Div. 2) 1
113 Epic Game Categories Codeforces Codeforces Beta Round #90 1
114 Valera and Antique Items Categories Codeforces Codeforces Round #252 (Div. 2) 1
115 Games Categories Codeforces Codeforces Round #164 (Div. 2) 1
116 Alena's Schedule Categories Codeforces Codeforces Round #325 (Div. 2) 1
117 Holiday Of Equality Categories Codeforces Codeforces Round #392 (Div. 2) 1
118 Lucky Ticket Categories Codeforces Codeforces Round #104 (Div. 2) 1
119 Cheap Travel Categories Codeforces Codeforces Round #266 (Div. 2) 1
120 Maximum Increase Categories Codeforces Educational Codeforces Round 15 1
121 Shaass and Oskols Categories Codeforces Codeforces Round #178 (Div. 2) 1
122 The Monster Categories Codeforces Codeforces Round #406 (Div. 2) 1
123 Triangle Categories Codeforces Codeforces Beta Round #6 (Div. 2 Only) 1
124 Pashmak and Garden Categories Codeforces Codeforces Round #261 (Div. 2) 1
125 Uncowed Forces Categories Codeforces Codeforces Round #334 (Div. 2) 1
126 Counterexample Categories Codeforces Codeforces Round #275 (Div. 2) 1
127 Pineapple Incident Categories Codeforces Codeforces Round #362 (Div. 2) 1
128 Sasha and Sticks Categories Codeforces Codeforces Round #425 (Div. 2) 1
129 A Good Contest Categories Codeforces Codeforces Round #357 (Div. 2) 1
130 Vitaliy and Pie Categories Codeforces Codeforces Round #297 (Div. 2) 1
131 Meeting of Old Friends Categories Codeforces Codeforces Round #371 (Div. 2) 1
132 Fair Game Categories Codeforces Codeforces Round #436 (Div. 2) 1
133 Arpa’s hard exam and Mehrdad’s naive cheat Categories Codeforces Codeforces Round #383 (Div. 2) 1
134 Love Triangle Categories Codeforces Codeforces Round #464 (Div. 2) 1
135 Minimum Difficulty Categories Codeforces Codeforces Round #283 (Div. 2) 1
136 IQ test Categories Codeforces Codeforces Beta Round #25 (Div. 2 Only) 1
137 Primary Arithmetic Categories UVA 1
138 Petr and Book Categories Codeforces Codeforces Beta Round #99 (Div. 2) 1
139 Simple Game Categories Codeforces Codeforces Round #316 (Div. 2) 1
140 Bit++ Categories Codeforces Codeforces Round #173 (Div. 2) 1
141 Shell Game Categories Codeforces Codeforces Round #401 (Div. 2) 1
142 Theatre Square Categories Codeforces Codeforces Beta Round #1 1
143 Two Substrings Categories Codeforces Codeforces Round #306 (Div. 2) 1
144 Anton and Danik Categories Codeforces Codeforces Round #379 (Div. 2) 1
145 Petya and Strings Categories Codeforces Codeforces Beta Round #85 (Div. 2 Only) 1
146 Black Square Categories Codeforces Codeforces Round #247 (Div. 2) 1
147 Raising Bacteria Categories Codeforces Codeforces Round #320 (Div. 2) [Bayan Thanks-Round] 1
148 Cookies Categories Codeforces Codeforces Beta Round #94 (Div. 2 Only) 1
149 Rewards Categories Codeforces Codeforces Round #256 (Div. 2) 1
150 Lights Out Categories Codeforces Codeforces Round #168 (Div. 2) 1
151 Puzzles Categories Codeforces Codeforces Round #196 (Div. 2) 1
152 Reconnaissance 2 Categories Codeforces Codeforces Beta Round #34 (Div. 2) 1
153 Marks Categories Codeforces Codeforces Round #108 (Div. 2) 1
154 Design Tutorial: Learn from Math Categories Codeforces Codeforces Round #270 1
155 Sum of Consecutive Prime Numbers Categories Live Archive 2005 Asia - Tokyo 1
156 Far Relative’s Birthday Cake Categories Codeforces Codeforces Round #343 (Div. 2) 1
157 Domino Categories Codeforces Codeforces Round #205 (Div. 2) 1
158 Giga Tower Categories Codeforces Codeforces Round #278 (Div. 2) 1
159 Flipping Game Categories Codeforces Codeforces Round #191 (Div. 2) 1
160 Summer Camp Categories Codeforces Codeforces Round #352 (Div. 2) 1
161 Ultra-Fast Mathematician Categories Codeforces Codeforces Beta Round #57 (Div. 2) 1
162 System of Equations Categories Codeforces Codeforces Round #131 (Div. 2) 1
163 Drazil and Date Categories Codeforces Codeforces Round #292 (Div. 2) 1
164 Hulk Categories Codeforces Codeforces Round #366 (Div. 2) 1
165 Amr and Music Categories Codeforces Codeforces Round #287 (Div. 2) 1
166 Fox and Number Game Categories Codeforces Codeforces Round #228 (Div. 2) 1
167 Combination Lock Categories Codeforces Codeforces Round #301 (Div. 2) 1
168 The New Year: Meeting Friends Categories Codeforces Codeforces Round #375 (Div. 2) 1
169 Valera and X Categories Codeforces Codeforces Round #237 (Div. 2) 1
170 Case of the Zeros and Ones Categories Codeforces Codeforces Round #310 (Div. 2) 1
171 String Task Categories Codeforces Codeforces Beta Round #89 (Div. 2) 1
172 Devu, the Singer and Churu, the Joker Categories Codeforces Codeforces Round #251 (Div. 2) 1
173 Stones on the Table Categories Codeforces Codeforces Round #163 (Div. 2) 1
174 Olesya and Rodion Categories Codeforces Codeforces Round #324 (Div. 2) 1
175 Arrival of the General Categories Codeforces Codeforces Round #103 (Div. 2) 1
176 inc ARG Categories Codeforces Codeforces Round #265 (Div. 2) 1
177 Bulbs Categories Codeforces Codeforces Round #338 (Div. 2) 1
178 Bear and Big Brother Categories Codeforces Codeforces Round #405 (rated, Div. 2, based on VK Cup 2017 Round 1) 1
179 Two Bases Categories Codeforces Codeforces Round #333 (Div. 2) 1
180 Magnets Categories Codeforces Codeforces Round #200 (Div. 2) 1
181 Army Categories Codeforces School Personal Contest #1 (Winter Computer School 2010/11) - Codeforces Beta Round #38 (ACM-ICPC Rules) 1
182 A Serial Killer Categories Codeforces ICM Technex 2017 and Codeforces Round #400 (Div. 1 + Div. 2, combined) 1
183 Supercentral Point Categories Codeforces Codeforces Round #112 (Div. 2) 1
184 Expression Categories Codeforces Codeforces Round #274 (Div. 2) 1
185 Ilya and Bank Account Categories Codeforces Codeforces Round #186 (Div. 2) 1
186 Complicated GCD Categories Codeforces Codeforces Round #347 (Div. 2) 1
187 The Useless Toy Categories Codeforces Codeforces Round #426 (Div. 2) 1
188 Laptops Categories Codeforces Codeforces Round #260 (Div. 2) 1
189 k-String Categories Codeforces Codeforces Round #135 (Div. 2) 1
190 Playing with Paper Categories Codeforces Codeforces Round #296 (Div. 2) 1
191 Memory and Crow Categories Codeforces Codeforces Round #370 (Div. 2) 1
192 Chips Categories Codeforces Codeforces Beta Round #75 (Div. 2 Only) 1
193 Ostap and Grasshopper Categories Codeforces Codeforces Round #382 (Div. 2) 1
194 Jamie and Alarm Snooze Categories Codeforces Codeforces Round #457 (Div. 2) 1
195 Domino piling Categories Codeforces Codeforces Beta Round #47 1
196 Bear and Five Cards Categories Codeforces Codeforces Round #356 (Div. 2) 1
197 Sereja and Dima Categories Codeforces Codeforces Round #223 (Div. 2) 1
198 Word Capitalization Categories Codeforces Codeforces Round #172 (Div. 2) 1
199 Perfect Permutation Categories Codeforces Codeforces Round #144 (Div. 2) 1
200 Mike and Fax Categories Codeforces Codeforces Round #305 (Div. 2) 1
201 Spreadsheet Categories Codeforces Codeforces Beta Round #1 1
202 Nearly Lucky Number Categories Codeforces Codeforces Beta Round #84 (Div. 2 Only) 1
203 Choosing Teams Categories Codeforces Codeforces Round #246 (Div. 2) 1
204 Multiplication Table Categories Codeforces Codeforces Round #319 (Div. 2) 1
205 Die Roll Categories Codeforces Codeforces Beta Round #9 (Div. 2 Only) 1
206 Dima and Friends Categories Codeforces Codeforces Round #167 (Div. 2) 1
207 Taymyr is calling you Categories Codeforces Codeforces Round #395 (Div. 2) 1
208 Soft Drinking Categories Codeforces Codeforces Round #107 (Div. 2) 1
209 MUH and Sticks Categories Codeforces Codeforces Round #269 (Div. 2) 1
210 Array Categories Codeforces Codeforces Round #181 (Div. 2) 1
211 Nth Smallest Value Categories A2 Online Judge 1
212 Caisa and Sugar Categories Codeforces Codeforces Round #264 (Div. 2) 1
213 Jeff and Digits Categories Codeforces Codeforces Round #204 (Div. 2) 1
214 Football Categories Codeforces Codeforces Beta Round #42 (Div. 2) 1
215 Mike and palindrome Categories Codeforces Codeforces Round #410 (Div. 2) 1
216 Dubstep Categories Codeforces Codeforces Round #130 (Div. 2) 1
217 Chewba?ca and Number Categories Codeforces Codeforces Round #291 (Div. 2) 1
218 Mishka and Game Categories Codeforces Codeforces Round #365 (Div. 2) 1
219 I'm bored with life Categories Codeforces Codeforces Round #422 (Div. 2) 1
220 Way Too Long Words Categories Codeforces Codeforces Beta Round #65 (Div. 2) 1
221 One-dimensional Japanese Crossword Categories Codeforces Codeforces Round #374 (Div. 2) 1
222 Search for Pretty Integers Categories Codeforces Technocup 2018 - Elimination Round 2 1
223 Lineland Mail Categories Codeforces Codeforces Round #Pi (Div. 2) 1
224 Bachgold Problem Categories Codeforces Codeforces Round #388 (Div. 2) 1
225 Two Buttons Categories Codeforces Codeforces Round #295 (Div. 2) 1
226 Kyoya and Photobooks Categories Codeforces Codeforces Round #309 (Div. 2) 1
227 Colorful Stones (Simplified Edition) Categories Codeforces Codeforces Round #162 (Div. 2) 1
228 Asphalting Roads Categories Codeforces Codeforces Round #323 (Div. 2) 1
229 Dasha and Stairs Categories Codeforces Codeforces Round #394 (Div. 2) 1
230 Pasha and Stick Categories Codeforces Codeforces Round #337 (Div. 2) 1
231 Anton and Polyhedrons Categories Codeforces Codeforces Round #404 (Div. 2) 1
232 Watermelon Categories Codeforces Codeforces Beta Round #4 (Div. 2 Only) 1
233 Towers Categories Codeforces Codeforces Beta Round #37 1
234 Oath of the Night's Watch Categories Codeforces Divide by Zero 2017 and Codeforces Round #399 (Div. 1 + Div. 2, combined) 1
235 Twins Categories Codeforces Codeforces Round #111 (Div. 2) 1
236 Initial Bet Categories Codeforces Codeforces Round #273 (Div. 2) 1
237 Round House Categories Codeforces Codeforces Round #346 (Div. 2) 1
238 Hexadecimal's theorem Categories Codeforces Codeforces Round #125 (Div. 2) 1
239 Opponents Categories Codeforces Codeforces Round #360 (Div. 2) 1
240 Key races Categories Codeforces Codeforces Round #427 (Div. 2) 1
241 Little Pony and Crystal Mine Categories Codeforces Codeforces Round #259 (Div. 2) 1
242 Patrick and Shopping Categories Codeforces Codeforces Round #332 (Div. 2) 1
243 Bus to Udayland Categories Codeforces Codeforces Round #369 (Div. 2) 1
244 An abandoned sentiment from past Categories Codeforces Codeforces Round #418 (Div. 2) 1
245 Cloning Toys Categories Codeforces Codeforces Round #461 (Div. 2) 1
246 Vanya and Fence Categories Codeforces Codeforces Round #355 (Div. 2) 1
247 Playing with Dice Categories Codeforces Codeforces Round #222 (Div. 2) 1
248 Given Length and Sum of Digits... Categories Codeforces Codeforces Round #277.5 (Div. 2) 1
249 Pangram Categories Codeforces Codeforces Round #295 (Div. 2) 1
250 Panoramix's Prediction Categories Codeforces Codeforces Beta Round #69 (Div. 2 Only) 1
251 Team Categories Codeforces Codeforces Round #143 (Div. 2) 1
252 Soldier and Bananas Categories Codeforces Codeforces Round #304 (Div. 2) 1
253 Grasshopper And the String Categories Codeforces Codeforces Round #378 (Div. 2) 1
254 Bear and Elections Categories Codeforces Codeforces Round #318 [RussianCodeCup Thanks-Round] (Div. 2) 1
255 Vladik and flights Categories Codeforces Codeforces Round #384 (Div. 2) 1
256 Presents Categories Codeforces Codeforces Beta Round #97 (Div. 2) 1
257 Rare Order Categories UVA 1
258 The number of positions Categories Codeforces Codeforces Beta Round #92 (Div. 2 Only) 1
259 DZY Loves Chessboard Categories Codeforces Codeforces Round #254 (Div. 2) 1
260 Beautiful Year Categories Codeforces Codeforces Round #166 (Div. 2) 1
261 Wizards' Duel Categories Codeforces Codeforces Round #327 (Div. 2) 1
262 Candy Bags Categories Codeforces Codeforces Round #194 (Div. 2) 1
263 Mahmoud and Longest Uncommon Subsequence Categories Codeforces Codeforces Round #396 (Div. 2) 1
264 Business trip Categories Codeforces Codeforces Round #106 (Div. 2) 1
265 I Wanna Be the Guy Categories Codeforces Codeforces Round #268 (Div. 2) 1
266 Heist Categories Codeforces Codeforces Round #509 (Div. 2) 1
267 Wet Shark and Odd and Even Categories Codeforces Codeforces Round #341 (Div. 2) 1
268 Buying A House Categories Codeforces Codeforces Round #408 (Div. 2) 1
269 Little Elephant and Rozdil Categories Codeforces Codeforces Round #129 (Div. 2) 2
270 Restaurant Tables Categories Codeforces Codeforces Round #423 (Div. 2, rated, based on VK Cup Finals) 2
271 Cupboards Categories Codeforces Codeforces Round #152 (Div. 2) 2
272 Fenwick Trees Categories SPOJ 2
273 Alyona and copybooks Categories Codeforces Codeforces Round #381 (Div. 2) 2
274 Next Test Categories Codeforces Codeforces Beta Round #27 (Codeforces format, Div. 2) 2
275 Lesha and array splitting Categories Codeforces Codeforces Round #390 (Div. 2) 2
276 Saitama Destroys Hotel Categories Codeforces Codeforces Round #336 (Div. 2) 2
277 Wilbur and Swimming Pool Categories Codeforces Codeforces Round #331 (Div. 2) 2
278 The Wall Categories Codeforces Codeforces Round #198 (Div. 2) 2
279 Game Outcome Categories Codeforces Codeforces Round #110 (Div. 2) 2
280 Points on Line Categories Codeforces Codeforces Round #153 (Div. 1) & Codeforces Round #153 (Div. 2) 2
281 Group of Students Categories Codeforces Codeforces Round #207 (Div. 2) 2
282 Sinking Ship Categories Codeforces Codeforces Beta Round #59 (Div. 2) 2
283 Lever Categories Codeforces Codeforces Round #221 (Div. 2) 2
284 Bark to Unlock Categories Codeforces Codeforces Round #438 by Sberbank and Barcelona Bootcamp (Div. 1 + Div. 2 combined) 2
285 Book Replacement Categories Live Archive 2005 Asia - Tokyo 2
286 Line to Cashier Categories Codeforces Codeforces Round #239 (Div. 2) 2
287 Yaroslav and Permutations Categories Codeforces Codeforces Round #179 (Div. 2) 2
288 Magic Spheres Categories Codeforces Codeforces Round #335 (Div. 2) 2
289 Wizards and Demonstration Categories Codeforces Codeforces Round #114 (Div. 2) 2
290 Factory Categories Codeforces Codeforces Round #276 (Div. 2) 2
291 Pouring Rain Categories Codeforces Codeforces Round #349 (Div. 2) 2
292 Is it rated? Categories Codeforces Codeforces Round #412 (rated, Div. 2, base on VK Cup 2017 Round 3) 2
293 Flag Categories Codeforces Codeforces Beta Round #16 (Div. 2 Only) 2
294 Shooshuns and Sequence Categories Codeforces Codeforces Round #137 (Div. 2) 2
295 Buggy Sorting Categories Codeforces Codeforces Round #151 (Div. 2) 2
296 Soroban Categories Codeforces Codeforces Round #211 (Div. 2) 2
297 Kitahara Haruki's Gift Categories Codeforces Codeforces Round #248 (Div. 2) 2
298 Inna and Choose Options Categories Codeforces Codeforces Round #234 (Div. 2) 2
299 Interview with Oleg Categories Codeforces Technocup 2017 - Elimination Round 2 2
300 Sagheer and Crossroads Categories Codeforces Codeforces Round #417 (Div. 2) 2
301 Neverending competitions Categories Codeforces Codeforces Round #397 by Kaspersky Lab and Barcelona Bootcamp (Div. 1 + Div. 2 combined) 2
302 Interview Categories Codeforces Codeforces Round #344 (Div. 2) 2
303 Vasya and Digital Root Categories Codeforces Codeforces Round #206 (Div. 2) 2
304 Triangular numbers Categories Codeforces Codeforces Beta Round #44 (Div. 2) 2
305 Comparing Strings Categories Codeforces Codeforces Round #118 (Div. 2) 2
306 Bicycle Chain Categories Codeforces Codeforces Round #132 (Div. 2) 2
307 Vitaly and Strings Categories Codeforces Codeforces Round #293 (Div. 2) 2
308 Okabe and Future Gadget Laboratory Categories Codeforces Codeforces Round #420 (Div. 2) 2
309 Sereja and Coat Rack Categories Codeforces Codeforces Round #215 (Div. 2) 2
310 Set of Strings Categories Codeforces Codeforces Round #302 (Div. 2) 2
311 Sereja and Mugs Categories Codeforces Codeforces Round #243 (Div. 2) 2
312 Link/Cut Tree Categories Codeforces Codeforces Round #339 (Div. 2) 2
313 Difference Row Categories Codeforces Codeforces Round #201 (Div. 2) 2
314 Rank List Categories Codeforces Codeforces Round #113 (Div. 2) 2
315 Little Artem and Presents Categories Codeforces Codeforces Round #348 (VK Cup 2016 Round 2, Div. 2 Edition) 2
316 Carrot Cakes Categories Codeforces Playrix Codescapes Cup (Codeforces Round #413, rated, Div. 1 + Div. 2) 2
317 Pasha and Pixels Categories Codeforces Codeforces Round #288 (Div. 2) 2
318 Ksenia and Pan Scales Categories Codeforces Codeforces Round #224 (Div. 2) 2
319 Chess Tourney Categories Codeforces Educational Codeforces Round 27 2
320 Little Elephant and Function Categories Codeforces Codeforces Round #136 (Div. 2) 2
321 Restoring Password Categories Codeforces Codeforces Beta Round #76 (Div. 2 Only) 2
322 Levko and Table Categories Codeforces Codeforces Round #210 (Div. 2) 2
323 Chess For Three Categories Codeforces Educational Codeforces Round 33 (Rated for Div. 2) 2
324 2Char Categories Codeforces Codeforces Round #329 (Div. 2) 2
325 Eugeny and Array Categories Codeforces Codeforces Round #182 (Div. 2) 2
326 Collecting Beats is Fun Categories Codeforces Codeforces Round #219 (Div. 2) 2
327 Vicious Keyboard Categories Codeforces Codeforces Round #409 (rated, Div. 2, based on VK Cup 2017 Round 2) 2
328 Mister B and Book Reading Categories Codeforces Codeforces Round #421 (Div. 2) 2
329 Blackjack Categories Codeforces Codeforces Beta Round #80 (Div. 2 Only) 2
330 Squats Categories Codeforces Codeforces Round #242 (Div. 2) 2
331 Chores Categories Codeforces Educational Codeforces Round 30 2
332 Boys and Girls Categories Codeforces Codeforces Round #154 (Div. 2) 2
333 Display Size Categories Codeforces Codeforces Round #387 (Div. 2) 2
334 Petr and a calendar Categories Codeforces Codeforces Round #393 (Div. 2) (8VC Venture Cup 2017 - Final Round Div. 2 Edition) 2
335 Chat Servers Outgoing Traffic Categories Codeforces Codeforces Beta Round #5 2
336 Bank Robbery Categories Codeforces Tinkoff Challenge - Final Round (Codeforces Round #414, rated, Div. 1 + Div. 2) 2
337 Table Categories Codeforces Codeforces Round #209 (Div. 2) 2
338 Digital Counter Categories Codeforces Codeforces Round #282 (Div. 2) 2
339 Adding Digits Categories Codeforces Codeforces Round #158 (Div. 2) 2
340 Santa Claus and a Place in a Class Categories Codeforces Technocup 2017 - Elimination Round 3 2
341 Wasted Time Categories Codeforces Codeforces Beta Round #93 (Div. 2 Only) 2
342 DZY Loves Hash Categories Codeforces Codeforces Round #255 (Div. 2) 2
343 PawnChess Categories Codeforces Codeforces Round #328 (Div. 2) 2
344 Vasily the Bear and Triangle Categories Codeforces Codeforces Round #195 (Div. 2) 2
345 SwapSort Categories Codeforces Codeforces Round #277.5 (Div. 2) 2
346 Ciel and Dancing Categories Codeforces Codeforces Round #190 (Div. 2) 2
347 Bear and Game Categories Codeforces Codeforces Round #351 (VK Cup 2016 Round 3, Div. 2 Edition) 2
348 Good Number Categories Codeforces Codeforces Round #213 (Div. 2) 2
349 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
350 George and Sleep Categories Codeforces Codeforces Round #227 (Div. 2) 2
351 Cutting Banner Categories Codeforces Codeforces Round #300 2
352 Alyona and flowers Categories Codeforces Codeforces Round #381 (Div. 2) 2
353 The Child and Homework Categories Codeforces Codeforces Round #250 (Div. 2) 2
354 Help Vasilisa the Wise 2 Categories Codeforces Codeforces Round #102 (Div. 2) 2
355 IQ Test Categories Codeforces Codeforces Round #176 (Div. 2) 2
356 Xenia and Divisors Categories Codeforces Codeforces Round #199 (Div. 2) 2
357 Straight <<A>> Categories Codeforces Codeforces Round #415 (Div. 2) 2
358 Second Order Statistics Categories Codeforces Codeforces Beta Round #22 (Div. 2 Only) 2
359 Two Bags of Potatoes Categories Codeforces Codeforces Round #148 (Div. 2) 2
360 Dima and Continuous Line Categories Codeforces Codeforces Round #208 (Div. 2) 2
361 Vasya and Football Categories Codeforces Codeforces Round #281 (Div. 2) 2
362 Palindromic Times Categories Codeforces Codeforces Beta Round #83 (Div. 2 Only) 2
363 Little Elephant and Chess Categories Codeforces Codeforces Round #157 (Div. 2) 2
364 Mashmokh and Lights Categories Codeforces Codeforces Round #240 (Div. 2) 2
365 Rook, Bishop and King Categories Codeforces Codeforces Round #217 (Div. 2) 3
366 Noldbach problem Categories Codeforces Codeforces Beta Round #17 3
367 Help Far Away Kingdom Categories Codeforces Codeforces Beta Round #78 (Div. 2 Only) 3
368 Super Agent Categories Codeforces Codeforces Beta Round #12 (Div 2 Only) 3
369 Tiling with Hexagons Categories Codeforces Codeforces Round #133 (Div. 2) 3
370 Room Leader Categories Codeforces Codeforces Beta Round #68 3
371 Card Game Categories Codeforces Codeforces Beta Round #82 (Div. 2) 3
372 Down the Hatch! Categories Codeforces Codeforces Round #193 (Div. 2) 3
373 Worms Evolution Categories Codeforces Codeforces Beta Round #31 (Div. 2, Codeforces format) 3
374 Kalevitch and Chess Categories Codeforces Codeforces Beta Round #7 3
375 Two Problems Categories Codeforces Codeforces Round #128 (Div. 2) 3
376 New Year Table Categories Codeforces Codeforces Round #100 3
377 Johnny and the Watermelon Plantation Categories SPOJ 3
378 Cows and Primitive Roots Categories Codeforces Codeforces Round #174 (Div. 2) 3
379 Let's Watch Football Categories Codeforces Codeforces Round #123 (Div. 2) 3
380 Increasing Sequence Categories Codeforces Codeforces Beta Round #11 3
381 Pythagorean Theorem II Categories Codeforces Codeforces Round #183 (Div. 2) 3
382 Cards with Numbers Categories Codeforces Codeforces Round #155 (Div. 2) 3
383 Sereja and Bottles Categories Codeforces Codeforces Round #187 (Div. 2) 3
384 LLPS Categories Codeforces Codeforces Round #127 (Div. 2) 3
385 Dividing Orange Categories Codeforces Codeforces Round #150 (Div. 2) 3
386 Sockets Categories Codeforces Codeforces Round #159 (Div. 2) 3
387 Array Categories Codeforces Codeforces Round #138 (Div. 2) 3
388 Exams Categories Codeforces Codeforces Round #122 (Div. 2) 3
389 Ball Game Categories Codeforces School Personal Contest #2 (Winter Computer School 2010/11) - Codeforces Beta Round #43 (ACM-ICPC Rules) 3
390 Dima and Guards Categories Codeforces Codeforces Round #214 (Div. 2) 3
391 Music Categories Codeforces Codeforces Round #315 (Div. 2) 3
392 The Map Categories SPOJ 3
393 Polo the Penguin and Segments Categories Codeforces Codeforces Round #177 (Div. 2) 3
394 Bar Categories Codeforces Codeforces Beta Round #52 (Div. 2) 3
395 Mike and Cellphone Categories Codeforces Codeforces Round #361 (Div. 2) 3
396 Letter Categories Codeforces Codeforces Beta Round #14 (Div. 2) 3
397 Heads or Tails Categories Codeforces Codeforces Round #149 (Div. 2) 3
398 Petya and Java Categories Codeforces Codeforces Beta Round #61 (Div. 2) 3
399 Postcards and photos Categories Codeforces Codeforces Beta Round #98 (Div. 2) 3
400 Haiku Categories Codeforces Codeforces Beta Round #70 (Div. 2) 3
401 Guest From the Past Categories Codeforces Codeforces Round #342 (Div. 2) 3
402 Funky Numbers Categories Codeforces Codeforces Round #121 (Div. 2) 3
403 K-Periodic Array Categories Codeforces Codeforces Round #218 (Div. 2) 3
404 Dice Tower Categories Codeforces Codeforces Round #139 (Div. 2) 3
405 Guess a number! Categories Codeforces Codeforces Round #241 (Div. 2) 3
406 Little Xor Categories Codeforces Codeforces Round #153 (Div. 2) 3
407 Nuts Categories Codeforces Codeforces Round #236 (Div. 2) 3
408 Whose sentence is it? Categories Codeforces Codeforces Round #185 (Div. 2) 3
409 Numbers Categories Codeforces Codeforces Beta Round #13 3
410 Sleuth Categories Codeforces Codeforces Beta Round #46 (Div. 2) 3
411 Vasya and the Bus Categories Codeforces Codeforces Round #120 (Div. 2) 3
412 Point on Spiral Categories Codeforces Codeforces Round #171 (Div. 2) 3
413 Reconnaissance Categories Codeforces Codeforces Beta Round #32 (Div. 2, Codeforces format) 3
414 Snow Footprints Categories Codeforces Codeforces Round #180 (Div. 2) 3
415 Two Semiknights Meet Categories Codeforces Codeforces Round #212 (Div. 2) 4
416 Cookies Categories Codeforces Codeforces Beta Round #64 4
417 Strange Addition Categories Codeforces Codeforces Round #184 (Div. 2) 4
418 Plate Game Categories Codeforces Codeforces Round #124 (Div. 2) 4
419 Chord Categories Codeforces Codeforces Beta Round #73 (Div. 2 Only) 4
420 Nineteen Categories Codeforces Codeforces Round #230 (Div. 2) 4
421 Shell Game Categories Codeforces Codeforces Beta Round #35 (Div. 2) 4
422 Autocomplete Categories Codeforces Codeforces Beta Round #49 (Div. 2) 4
423 A Student's Dream Categories Codeforces Codeforces Beta Round #58 4
424 BerOS file system Categories Codeforces Codeforces Alpha Round #20 (Codeforces format) 4
425 Irrational problem Categories Codeforces Codeforces Beta Round #62 4
426 Ring road Categories Codeforces Codeforces Beta Round #24 4
427 Bus Game Categories Codeforces Codeforces Beta Round #71 4
428 Power Consumption Calculation Categories Codeforces Codeforces Beta Round #10 4
429 Lefthanders and Righthanders Categories Codeforces Codeforces Round #145 (Div. 2, ACM-ICPC Rules) 4
430 Where do I Turn? Categories Codeforces Codeforces Round #140 (Div. 2) 4
431 Spit Problem Categories Codeforces Codeforces Beta Round #29 (Div. 2, Codeforces format) 4
432 You're Given a String... Categories Codeforces Codeforces Beta Round #23 4
433 K-Palindrome Categories A2 Online Judge 4
434 Binary Search Categories Live Archive 2000 Europe - Northeastern 4
435 Where Are My Flakes? Categories Codeforces Codeforces Beta Round #56 4
436 Triangle Categories Codeforces Codeforces Beta Round #18 (Div. 2 Only) 4
437 Cableway Categories Codeforces Codeforces Beta Round #74 (Div. 2 Only) 4
438 Mountain Scenery Categories Codeforces Codeforces Round #134 (Div. 2) 4
439 Train and Peter Categories Codeforces Codeforces Beta Round #8 4
440 Guilty --- to the kitchen! Categories Codeforces Codeforces Beta Round #41 5
441 Robot Bicorn Attack Categories Codeforces Codeforces Round #115 5
442 Extra-terrestrial Intelligence Categories Codeforces Codeforces Beta Round #36 5
443 Rock-paper-scissors Categories Codeforces School Personal Contest #3 (Winter Computer School 2010/11) - Codeforces Beta Round #45 (ACM-ICPC Rules) 5
444 Chef and The Recursive Algorithm Categories CodeChef 5
445 Inna and Pink Pony Categories Codeforces Codeforces Round #220 (Div. 2) 5
446 April Fools' Problem (easy) Categories Codeforces Helvetic Coding Contest 2017 online mirror (teams allowed, unrated) 5
447 Inna and Alarm Clock Categories Codeforces Codeforces Round #229 (Div. 2) 5
448 Accounting Categories Codeforces Codeforces Beta Round #30 (Codeforces format) 5
449 Find Color Categories Codeforces Codeforces Beta Round #39 5
450 Square Earth? Categories Codeforces Codeforces Beta Round #53 5
451 Cottage Village Categories Codeforces Codeforces Beta Round #15 5
452 Pages Categories Codeforces Codeforces Round #233 (Div. 2) 5
453 World Football Cup Categories Codeforces Codeforces Beta Round #19 5
454 What is for dinner? Categories Codeforces Codeforces Beta Round #33 (Codeforces format) 5
455 InfiniteSequence Categories TopCoder SRM 413 - Div2 hard] (13504) 5
456 Clothes Categories Codeforces Codeforces Beta Round #79 (Div. 2 Only) 5
457 Elevator Categories Codeforces Codeforces Beta Round #88 5
458 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
459 Flea travel Categories Codeforces Codeforces Beta Round #51 5
460 Counting Sticks Categories Codeforces Codeforces Round #231 (Div. 2) 5
461 Points and Segments (easy) Categories Codeforces Codeforces Round #245 (Div. 2) 5
462 Presents Categories Codeforces Codeforces Beta Round #50 6
463 Transmigration Categories Codeforces Codeforces Beta Round #81 6
464 Cheaterius's Problem Categories Codeforces Codeforces Beta Round #48 6
465 The Elder Trolls IV: Oblivon Categories Codeforces Codeforces Beta Round #66 6
466 Grasshopper Categories UVA 6
467 On Segment's Own Points Categories Codeforces Codeforces Round #232 (Div. 2) 6
468 Harry Potter and Three Spells Categories Codeforces Codeforces Beta Round #60 6
469 Jabber ID Categories Codeforces Codeforces Alpha Round #21 (Codeforces format) 7
470 Vasya and Types Categories Codeforces Codeforces Beta Round #73 (Div. 1 Only) & Codeforces Beta Round #73 (Div. 2 Only) 7
471 Bender Problem Categories Codeforces Codeforces Beta Round #28 (Codeforces format) 7
472 Amr and Math Categories SPOJ 8
473 Cinema Categories Codeforces Codeforces Round #126 (Div. 2) 8
474 Watermelons Categories TJU 8
475 Defragmentation Categories Codeforces Codeforces Round #116 (Div. 2, ACM-ICPC Rules) 8
476 Prefix Sums Categories Codeforces Educational Codeforces Round 26 8
477 Battlefield Categories Codeforces Codeforces Round #117 (Div. 2) 9
478 bfs Categories SPOJ 10