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brute force problems
Problem Name Online Judge Year Contest Difficulty Level
1 Han Solo and Lazer Gun Categories Codeforces Codeforces Round #291 (Div. 2) 1
2 Grouping Problem Categories TJU 1
3 Books Categories Codeforces Codeforces Round #171 (Div. 2) 1
4 Generous Kefa Categories Codeforces Codeforces Round #429 (Div. 2) 1
5 Candy I Categories SPOJ 1
6 Burger Time? Categories UVA 1
7 Soldier and Cards Categories Codeforces Codeforces Round #304 (Div. 2) 1
8 TL Categories Codeforces Codeforces Round #203 (Div. 2) 1
9 The Artful Expedient Categories Codeforces Codeforces Round #439 (Div. 2) 1
10 Cut Ribbon Categories Codeforces Codeforces Round #119 (Div. 2) 1
11 Kefa and First Steps Categories Codeforces Codeforces Round #321 (Div. 2) 1
12 Bus to Udayland Categories Codeforces Codeforces Round #369 (Div. 2) 1
13 Parallelepiped Categories Codeforces Codeforces Round #138 (Div. 2) 1
14 Beautiful Year Categories Codeforces Codeforces Round #166 (Div. 2) 1
15 Karen and Morning Categories Codeforces Codeforces Round #419 (Div. 2) 1
16 Preparing Olympiad Categories Codeforces Codeforces Round #306 (Div. 2) 1
17 Lala Land and Apple Trees Categories Codeforces Codeforces Round #312 (Div. 2) 1
18 Maximum in Table Categories Codeforces Codeforces Round #289 (Div. 2, ACM ICPC Rules) 1
19 Flipping Game Categories Codeforces Codeforces Round #191 (Div. 2) 1
20 Playing with Dice Categories Codeforces Codeforces Round #222 (Div. 2) 1
21 Hexadecimal's theorem Categories Codeforces Codeforces Round #125 (Div. 2) 1
22 Vladik and Courtesy Categories Codeforces Codeforces Round #416 (Div. 2) 1
23 Expression Categories Codeforces Codeforces Round #274 (Div. 2) 1
24 Fence Categories Codeforces Codeforces Round #211 (Div. 2) 1
25 Kyoya and Photobooks Categories Codeforces Codeforces Round #309 (Div. 2) 1
26 I_love_\%username\% Categories Codeforces Codeforces Round #109 (Div. 2) 1
27 Pangram Categories Codeforces Codeforces Round #295 (Div. 2) 1
28 Giga Tower Categories Codeforces Codeforces Round #278 (Div. 2) 1
29 Triangle Categories Codeforces Codeforces Beta Round #6 (Div. 2 Only) 1
30 Divisibility by Eight Categories Codeforces Codeforces Round #306 (Div. 2) 1
31 The Monster Categories Codeforces Codeforces Round #406 (Div. 2) 1
32 Cakeminator Categories Codeforces Codeforces Round #192 (Div. 2) 1
33 QAQ Categories Codeforces Codeforces Round #447 (Div. 2) 1
34 Number of Ways Categories Codeforces Codeforces Round #266 (Div. 2) 1
35 Mike and Fax Categories Codeforces Codeforces Round #305 (Div. 2) 1
36 Beru-taxi Categories Codeforces Codeforces Round #367 (Div. 2) 1
37 Team Categories Codeforces Codeforces Round #143 (Div. 2) 1
38 Gerald's Hexagon Categories Codeforces Codeforces Round #313 (Div. 1) & Codeforces Round #313 (Div. 2) 1
39 Amr and Pins Categories Codeforces Codeforces Round #287 (Div. 2) 1
40 System of Equations Categories Codeforces Codeforces Round #131 (Div. 2) 1
41 Watermelon Categories Codeforces Codeforces Beta Round #4 (Div. 2 Only) 1
42 Far Relative’s Birthday Cake Categories Codeforces Codeforces Round #343 (Div. 2) 1
43 Fedor and New Game Categories Codeforces Codeforces Round #267 (Div. 2) 1
44 Counterexample Categories Codeforces Codeforces Round #275 (Div. 2) 1
45 Bear and Raspberry Categories Codeforces Codeforces Round #226 (Div. 2) 1
46 Fraction Categories Codeforces Codeforces Round #433 (Div. 2, based on Olympiad of Metropolises) 1
47 Jeff and Digits Categories Codeforces Codeforces Round #204 (Div. 2) 1
48 Lucky Division Categories Codeforces Codeforces Beta Round #91 (Div. 2 Only) 1
49 IQ test Categories Codeforces Codeforces Beta Round #25 (Div. 2 Only) 1
50 Panoramix's Prediction Categories Codeforces Codeforces Beta Round #69 (Div. 2 Only) 1
51 Tavas and SaDDas Categories Codeforces Codeforces Round #299 (Div. 2) 1
52 Lucky Sum of Digits Categories Codeforces Codeforces Beta Round #84 (Div. 1 Only) & Codeforces Beta Round #84 (Div. 2 Only) 1
53 Mike and palindrome Categories Codeforces Codeforces Round #410 (Div. 2) 1
54 Appleman and Easy Task Categories Codeforces Codeforces Round #263 (Div. 2) 1
55 Dreamoon and WiFi Categories Codeforces Codeforces Round #272 (Div. 2) 1
56 Soldier and Badges Categories Codeforces Codeforces Round #304 (Div. 2) 1
57 Array Categories Codeforces Codeforces Round #181 (Div. 2) 1
58 Minimum Difficulty Categories Codeforces Codeforces Round #283 (Div. 2) 1
59 Candy Categories SPOJ 1
60 Taymyr is calling you Categories Codeforces Codeforces Round #395 (Div. 2) 1
61 Play with Dates Categories SPOJ 1
62 Vasya and Socks Categories Codeforces Codeforces Round #262 (Div. 2) 1
63 Ice Skating Categories Codeforces Codeforces Round #134 (Div. 1) & Codeforces Round #134 (Div. 2) 1
64 Games Categories Codeforces Codeforces Round #164 (Div. 2) 1
65 Two Substrings Categories Codeforces Codeforces Round #306 (Div. 2) 1
66 Magic Numbers Categories Codeforces Codeforces Round #189 (Div. 2) 1
67 Robot Sequence Categories Codeforces 8VC Venture Cup 2016 - Elimination Round 2
68 Hacking Cypher Categories Codeforces Codeforces Round #279 (Div. 2) 2
69 Little Elephant and Chess Categories Codeforces Codeforces Round #157 (Div. 2) 2
70 Shower Line Categories Codeforces Codeforces Round #247 (Div. 2) 2
71 Another Problem on Strings Categories Codeforces Codeforces Round #112 (Div. 2) 2
72 Bicycle Chain Categories Codeforces Codeforces Round #132 (Div. 2) 2
73 Restoring Painting Categories Codeforces Codeforces Round #353 (Div. 2) 2
74 Second Order Statistics Categories Codeforces Codeforces Beta Round #22 (Div. 2 Only) 2
75 Interview Categories Codeforces Codeforces Round #344 (Div. 2) 2
76 GRADE POINT AVERAGE Categories SPOJ 2
77 Little Dima and Equation Categories Codeforces Codeforces Round #262 (Div. 2) 2
78 Kirill And The Game Categories Codeforces Codeforces Round #430 (Div. 2) 2
79 Tourist's Notes Categories Codeforces Codeforces Round #300 2
80 Drazil and His Happy Friends Categories Codeforces Codeforces Round #292 (Div. 1) & Codeforces Round #292 (Div. 2) & Codeforces Round #292 (Div. 1) & Codeforces Round #292 (Div. 2) 2
81 Sail Categories Codeforces Codeforces Round #180 (Div. 2) 2
82 Pride Categories Codeforces Codeforces Round #446 (Div. 1) & Codeforces Round #446 (Div. 2) 2
83 Hexadecimal's Numbers Categories Codeforces Codeforces Beta Round #9 (Div. 2 Only) 2
84 2Char Categories Codeforces Codeforces Round #329 (Div. 2) 2
85 Mr. Kitayuta's Colorful Graph Categories Codeforces Codeforces Round #286 (Div. 1) & Codeforces Round #286 (Div. 2) & Codeforces Round #286 (Div. 1) & Codeforces Round #286 (Div. 2) 2
86 Bear and Three Musketeers Categories Codeforces Codeforces Round #318 [RussianCodeCup Thanks-Round] (Div. 2) 2
87 Football Kit Categories Codeforces Codeforces Round #246 (Div. 2) 2
88 Okabe and Banana Trees Categories Codeforces Codeforces Round #420 (Div. 2) 2
89 Economy Game Categories Codeforces Codeforces Round #357 (Div. 2) 2
90 Removing Columns Categories Codeforces Codeforces Round #283 (Div. 2) & Codeforces Round #283 (Div. 1) 2
91 Strongly Connected City Categories Codeforces Bayan 2015 Contest Warm Up 2
92 Lucky Numbers (easy) Categories Codeforces Codeforces Beta Round #77 (Div. 2 Only) 2
93 Group of Students Categories Codeforces Codeforces Round #207 (Div. 2) 2
94 Prime Matrix Categories Codeforces Codeforces Round #166 (Div. 2) 2
95 Vicious Keyboard Categories Codeforces Codeforces Round #409 (rated, Div. 2, based on VK Cup 2017 Round 2) 2
96 Prizes, Prizes, more Prizes Categories Codeforces Codeforces Round #130 (Div. 2) 2
97 Thor Categories Codeforces Codeforces Round #366 (Div. 1) & Codeforces Round #366 (Div. 2) 2
98 Letters Categories Codeforces Codeforces Round #481 (Div. 3) 2
99 Mr. Kitayuta's Colorful Graph Categories Codeforces Codeforces Round #286 (Div. 1) & Codeforces Round #286 (Div. 2) & Codeforces Round #286 (Div. 1) & Codeforces Round #286 (Div. 2) 2
100 Towers Categories Codeforces Codeforces Round #274 (Div. 2) 2
101 Kitahara Haruki's Gift Categories Codeforces Codeforces Round #248 (Div. 2) 2
102 Ohana Cleans Up Categories Codeforces Codeforces Round #309 (Div. 2) 2
103 Triangular numbers Categories Codeforces Codeforces Beta Round #44 (Div. 2) 2
104 Bear and Three Balls Categories Codeforces IndiaHacks 2016 - Online Edition (Div. 1 + Div. 2) 2
105 Alyona and copybooks Categories Codeforces Codeforces Round #381 (Div. 2) 2
106 Vladik and fractions Categories Codeforces Codeforces Round #384 (Div. 2) 2
107 Link/Cut Tree Categories Codeforces Codeforces Round #339 (Div. 2) 2
108 George and Round Categories Codeforces Codeforces Round #227 (Div. 2) 2
109 Pizza Separation Categories Codeforces Codeforces Round #448 (Div. 2) 2
110 Simple Molecules Categories Codeforces Codeforces Round #200 (Div. 2) 2
111 IQ Test Categories Codeforces Codeforces Round #176 (Div. 2) 2
112 Case of Fake Numbers Categories Codeforces Codeforces Round #310 (Div. 2) 2
113 Game Outcome Categories Codeforces Codeforces Round #110 (Div. 2) 2
114 Parallelogram is Back Categories Codeforces Codeforces Round #388 (Div. 2) 2
115 Mike and Fun Categories Codeforces Codeforces Round #305 (Div. 2) 2
116 Little Elephant and Magic Square Categories Codeforces Codeforces Round #157 (Div. 2) 2
117 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
118 Hamburgers Categories Codeforces Codeforces Round #218 (Div. 2) 2
119 Help Vasilisa the Wise 2 Categories Codeforces Codeforces Round #102 (Div. 2) 2
120 Chtholly's request Categories Codeforces Codeforces Round #449 (Div. 2) 2
121 Multiplication Table Categories Codeforces Codeforces Round #256 (Div. 2) 2
122 Far Relative’s Problem Categories Codeforces Codeforces Round #343 (Div. 2) 2
123 New Year and Old Property Categories Codeforces Good Bye 2015 2
124 Valuable Resources Categories Codeforces Codeforces Round #276 (Div. 2) 2
125 Petya and Countryside Categories Codeforces Codeforces Beta Round #61 (Div. 2) 2
126 Bear and Strings Categories Codeforces Codeforces Round #226 (Div. 2) 2
127 Polo the Penguin and Matrix Categories Codeforces Codeforces Round #177 (Div. 2) 2
128 Ice Sculptures Categories Codeforces VK Cup 2012 Qualification Round 1 2
129 Ilya and tic-tac-toe game Categories Codeforces Codeforces Round #390 (Div. 2) 2
130 Dima and Continuous Line Categories Codeforces Codeforces Round #208 (Div. 2) 2
131 Shooshuns and Sequence Categories Codeforces Codeforces Round #137 (Div. 2) 2
132 Little Elephant and Rozdil Categories Codeforces Codeforces Round #129 (Div. 2) 2
133 Ebony and Ivory Categories Codeforces Manthan, Codefest 16 2
134 Pasha and Pixels Categories Codeforces Codeforces Round #288 (Div. 2) 2
135 Mike and strings Categories Codeforces Codeforces Round #410 (Div. 2) 2
136 Cutting Banner Categories Codeforces Codeforces Round #300 2
137 Lucky Substring Categories Codeforces Codeforces Beta Round #91 (Div. 2 Only) 2
138 Students and Shoelaces Categories Codeforces Codeforces Beta Round #94 (Div. 2 Only) 3
139 Reconnaissance Categories Codeforces Codeforces Beta Round #32 (Div. 2, Codeforces format) 3
140 Masha and geometric depression Categories Codeforces Codeforces Round #407 (Div. 2) 3
141 Coach Categories Codeforces Codeforces Round #181 (Div. 2) 3
142 LLPS Categories Codeforces Codeforces Round #127 (Div. 2) 3
143 Secret Combination Categories Codeforces Codeforces Round #283 (Div. 2) 3
144 Tic-tac-toe Categories Codeforces Codeforces Beta Round #3 3
145 The Text Splitting Categories Codeforces Educational Codeforces Round 4 3
146 Dima and To-do List Categories Codeforces Codeforces Round #214 (Div. 2) 3
147 Bear and Prime Numbers Categories Codeforces Codeforces Round #226 (Div. 2) 3
148 A Trivial Problem Categories Codeforces Manthan, Codefest 16 3
149 Art Union Categories Codeforces Codeforces Round #241 (Div. 2) 3
150 Block Towers Categories Codeforces 8VC Venture Cup 2016 - Elimination Round 3
151 Ball Game Categories Codeforces School Personal Contest #2 (Winter Computer School 2010/11) - Codeforces Beta Round #43 (ACM-ICPC Rules) 3
152 An impassioned circulation of affection Categories Codeforces Codeforces Round #418 (Div. 2) 3
153 Searching for Graph Categories Codeforces Codeforces Round #236 (Div. 2) & Codeforces Round #236 (Div. 1) 3
154 Colorful Graph Categories Codeforces Codeforces Round #151 (Div. 2) 3
155 Polo the Penguin and Segments Categories Codeforces Codeforces Round #177 (Div. 2) 3
156 Non-square Equation Categories Codeforces Codeforces Round #144 (Div. 2) 3
157 Dress'em in Vests! Categories Codeforces VK Cup 2012 Round 1 3
158 Heads or Tails Categories Codeforces Codeforces Round #149 (Div. 2) 3
159 Cows and Poker Game Categories Codeforces Codeforces Round #174 (Div. 2) 3
160 Perfect Pair Categories Codeforces Codeforces Round #188 (Div. 1) & Codeforces Round #188 (Div. 2) 3
161 Two Problems Categories Codeforces Codeforces Round #128 (Div. 2) 3
162 Triangle Categories Codeforces Codeforces Round #239 (Div. 1) & Codeforces Round #239 (Div. 2) 3
163 Catch Me If You Can Categories SPOJ 3
164 Pythagorean Theorem II Categories Codeforces Codeforces Round #183 (Div. 2) 3
165 Karen and Game Categories Codeforces Codeforces Round #419 (Div. 1) & Codeforces Round #419 (Div. 2) 3
166 Gennady the Dentist Categories Codeforces Codeforces Round #325 (Div. 1) & Codeforces Round #325 (Div. 2) 3
167 Permutations Categories Codeforces Rockethon 2015 3
168 Inna and New Matrix of Candies Categories Codeforces Codeforces Round #234 (Div. 2) 3
169 Sereja and Bottles Categories Codeforces Codeforces Round #187 (Div. 2) 3
170 Sagheer, the Hausmeister Categories Codeforces Codeforces Round #417 (Div. 2) 3
171 Noldbach problem Categories Codeforces Codeforces Beta Round #17 3
172 Vasya and Basketball Categories Codeforces Codeforces Round #281 (Div. 2) 3
173 Common Divisors Categories Codeforces Codeforces Round #117 (Div. 2) 3
174 "Or" Game Categories Codeforces Codeforces Round #320 (Div. 1) [Bayan Thanks-Round] & Codeforces Round #320 (Div. 2) [Bayan Thanks-Round] 3
175 Phone Code Categories Codeforces Croc Champ 2012 - Qualification Round 3
176 Bear and Compressing Categories Codeforces IndiaHacks 2016 - Online Edition (Div. 1 + Div. 2) 3
177 Point on Spiral Categories Codeforces Codeforces Round #171 (Div. 2) 3
178 Color Stripe Categories Codeforces Codeforces Round #135 (Div. 2) 3
179 Mike and Cellphone Categories Codeforces Codeforces Round #361 (Div. 2) 3
180 Let's Watch Football Categories Codeforces Codeforces Round #123 (Div. 2) 3
181 Unbearable Controversy of Being Categories Codeforces Codeforces Round #277.5 (Div. 2) 3
182 Kalevitch and Chess Categories Codeforces Codeforces Beta Round #7 3
183 Little Xor Categories Codeforces Codeforces Round #153 (Div. 2) 3
184 Vanya and Scales Categories Codeforces Codeforces Round #308 (Div. 2) 3
185 Primes or Palindromes? Categories Codeforces Codeforces Round #315 (Div. 1) & Codeforces Round #315 (Div. 2) 3
186 Mahmoud and a Message Categories Codeforces Codeforces Round #396 (Div. 2) 3
187 King of Thieves Categories Codeforces ZeptoLab Code Rush 2015 3
188 Finding Team Member Categories Codeforces Codeforces Round #320 (Div. 2) [Bayan Thanks-Round] 3
189 Funky Numbers Categories Codeforces Codeforces Round #121 (Div. 2) 3
190 Vasya and Robot Categories Codeforces Codeforces Round #206 (Div. 1) & Codeforces Round #206 (Div. 2) 3
191 A + B Strikes Back Categories Codeforces April Fools Day Contest 2014 3
192 Robbers' watch Categories Codeforces Codeforces Round #359 (Div. 1) & Codeforces Round #359 (Div. 2) 3
193 Letter Categories Codeforces Codeforces Round #116 (Div. 2, ACM-ICPC Rules) 4
194 Running Student Categories Codeforces Codeforces Beta Round #9 (Div. 2 Only) 4
195 TWO BISHOPS Categories SPOJ 4
196 Lucky Mask Categories Codeforces Codeforces Round #104 (Div. 2) 4
197 Pair of Numbers Categories Codeforces Codeforces Round #209 (Div. 2) 4
198 Elevator Categories Codeforces School Regional Team Contest, Saratov, 2011 4
199 Tell Your World Categories Codeforces Codeforces Round #431 (Div. 2) 4
200 Trees in a Row Categories Codeforces Codeforces Round #236 (Div. 2) 4
201 Captain Marmot Categories Codeforces Codeforces Round #271 (Div. 2) 4
202 Walking in the Rain Categories Codeforces Codeforces Round #121 (Div. 2) 4
203 Fight the Monster Categories Codeforces Codeforces Round #278 (Div. 1) & Codeforces Round #278 (Div. 2) 4
204 String Manipulation 1.0 Categories Codeforces VK Cup 2012 Qualification Round 2 4
205 Brute-force Algorithm Categories Live Archive 2009 Asia - Shanghai 4
206 Two Tables Categories Codeforces Codeforces Round #141 (Div. 2) 4
207 Little Elephant and Sorting Categories Codeforces Codeforces Round #129 (Div. 2) 4
208 Tournament Categories Codeforces Codeforces Beta Round #27 (Codeforces format, Div. 2) 4
209 Wonder Room Categories Codeforces Codeforces Round #266 (Div. 2) 4
210 Ancient Prophesy Categories Codeforces Codeforces Round #158 (Div. 2) 4
211 Predict Outcome of the Game Categories Codeforces Codeforces Round #258 (Div. 2) 4
212 Resort Categories Codeforces Codeforces Round #203 (Div. 2) 4
213 Amity Assessment Categories Codeforces CROC 2016 - Elimination Round 4
214 Choosing Laptop Categories Codeforces Codeforces Beta Round #82 (Div. 2) 4
215 Alice, Bob, Two Teams Categories Codeforces Educational Codeforces Round 9 4
216 Counting Rhombi Categories Codeforces Codeforces Round #119 (Div. 2) 4
217 Beautiful Numbers Categories Codeforces Codeforces Round #181 (Div. 2) 4
218 Three Logos Categories Codeforces Codeforces Round #322 (Div. 2) 4
219 Shifts Categories Codeforces Codeforces Round #142 (Div. 1) & Codeforces Round #142 (Div. 2) 4
220 Amr and Chemistry Categories Codeforces Codeforces Round #312 (Div. 2) 4
221 Xenia and Spies Categories Codeforces Codeforces Round #199 (Div. 2) 4
222 Fox And Jumping Categories Codeforces Codeforces Round #290 (Div. 2) & Codeforces Round #290 (Div. 1) 4
223 Weird Chess Categories Codeforces Codeforces Round #300 4
224 Kolya and Tandem Repeat Categories Codeforces Codeforces Round #253 (Div. 2) 4
225 Ksusha and Array Categories Codeforces Croc Champ 2013 - Round 2 (Div. 2 Edition) 4
226 Tennis Game Categories Codeforces Codeforces Round #283 (Div. 2) & Codeforces Round #283 (Div. 1) 4
227 Sereja and Prefixes Categories Codeforces Codeforces Round #223 (Div. 1) & Codeforces Round #223 (Div. 2) 4
228 Little Pony and Harmony Chest Categories Codeforces Codeforces Round #259 (Div. 1) & Codeforces Round #259 (Div. 2) 4
229 Message Categories Codeforces Codeforces Round #110 (Div. 1) & Codeforces Round #110 (Div. 2) 4
230 Strange Addition Categories Codeforces Codeforces Round #184 (Div. 2) 4
231 You're Given a String... Categories Codeforces Codeforces Beta Round #23 4
232 Fire Again Categories Codeforces Codeforces Beta Round #35 (Div. 2) 4
233 Dima and Text Messages Categories Codeforces Codeforces Round #208 (Div. 2) 4
234 ZgukistringZ Categories Codeforces Codeforces Round #307 (Div. 2) 4
235 Orchestra Categories Codeforces 8VC Venture Cup 2016 - Final Round (Div. 2 Edition) & 8VC Venture Cup 2016 - Final Round (Div. 1 Edition) 4
236 Sereja and Swaps Categories Codeforces Codeforces Round #243 (Div. 1) & Codeforces Round #243 (Div. 2) 4
237 DZY Loves Modification Categories Codeforces Codeforces Round #255 (Div. 1) & Codeforces Round #255 (Div. 2) 4
238 Spit Problem Categories Codeforces Codeforces Beta Round #29 (Div. 2, Codeforces format) 4
239 Remove Extra One Categories Codeforces Codeforces Round #450 (Div. 2) 4
240 Undoubtedly Lucky Numbers Categories Codeforces Codeforces Round #150 (Div. 2) 4
241 Chord Categories Codeforces Codeforces Beta Round #73 (Div. 2 Only) 4
242 Office Keys Categories Codeforces Codeforces Round #424 (Div. 1, rated, based on VK Cup Finals) & Codeforces Round #424 (Div. 2, rated, based on VK Cup Finals) 4
243 View Angle Categories Codeforces Codeforces Round #159 (Div. 2) 4
244 New Problem Categories Codeforces Codeforces Round #170 (Div. 2) 4
245 Minion Circle Categories CodeChef 4
246 Magic Box Categories Codeforces Codeforces Round #143 (Div. 2) 4
247 Balls Game Categories Codeforces Codeforces Round #245 (Div. 2) 4
248 Vanya and Triangles Categories Codeforces Codeforces Round #308 (Div. 2) 4
249 Palindrome pairs Categories Codeforces VK Cup 2012 Qualification Round 2 4
250 Hometask Categories Codeforces Codeforces Round #131 (Div. 2) 4
251 Promocodes with Mistakes Categories Codeforces VK Cup 2016 - Qualification Round 1 4
252 Triangle Categories Codeforces Codeforces Beta Round #18 (Div. 2 Only) 4
253 Almost Arithmetical Progression Categories Codeforces Codeforces Round #156 (Div. 2) & Codeforces Round #156 (Div. 1) 4
254 Spongebob and Squares Categories Codeforces Codeforces Round #332 (Div. 2) 4
255 MUH and House of Cards Categories Codeforces Codeforces Round #269 (Div. 2) 4
256 Mountain Scenery Categories Codeforces Codeforces Round #134 (Div. 2) 4
257 Arthur and Table Categories Codeforces Codeforces Round #311 (Div. 2) 4
258 Roads not only in Berland Categories Codeforces Codeforces Beta Round #25 (Div. 2 Only) 4
259 Game of the Rows Categories Codeforces Codeforces Round #428 (Div. 2) 4
260 Devu and Partitioning of the Array Categories Codeforces Codeforces Round #251 (Div. 2) 4
261 Counting Rectangles is Fun Categories Codeforces Codeforces Round #219 (Div. 1) & Codeforces Round #219 (Div. 2) 5
262 Continued Fractions Categories Codeforces Codeforces Round #184 (Div. 2) 5
263 Bitwise Formula Categories Codeforces Codeforces Round #402 (Div. 1) & Codeforces Round #402 (Div. 2) 5
264 Om Nom and Candies Categories Codeforces ZeptoLab Code Rush 2015 5
265 Beauty Pageant Categories Codeforces Codeforces Round #151 (Div. 2) 5
266 Robot Bicorn Attack Categories Codeforces Codeforces Round #115 5
267 Petya and His Friends Categories Codeforces Codeforces Beta Round #61 (Div. 2) 5
268 Network Mask Categories Codeforces Croc Champ 2013 - Qualification Round 5
269 Vasya and Beautiful Arrays Categories Codeforces Codeforces Round #206 (Div. 1) & Codeforces Round #206 (Div. 2) 5
270 Petr# Categories Codeforces Codeforces Beta Round #86 (Div. 1 Only) & Codeforces Beta Round #86 (Div. 2 Only) 5
271 The Queue Categories Codeforces Codeforces Round #398 (Div. 2) 5
272 Martian Dollar Categories Codeforces Codeforces Beta Round #40 (Div. 2) 5
273 Borya and Hanabi Categories Codeforces Codeforces Round #253 (Div. 1) & Codeforces Round #253 (Div. 2) 5
274 Permutations Categories Codeforces Codeforces Beta Round #92 (Div. 2 Only) 5
275 Series of Crimes Categories Codeforces Croc Champ 2012 - Round 2 (Unofficial Div. 2 Edition) 5
276 Clothes Categories Codeforces Codeforces Beta Round #79 (Div. 2 Only) 5
277 Chocolate Categories Codeforces Codeforces Round #279 (Div. 2) 5
278 Nearest Fraction Categories Codeforces Codeforces Round #172 (Div. 2) 5
279 Brute-force Algorithm EXTREME Categories SPOJ 5
280 Compatible Numbers Categories Codeforces Codeforces Round #112 (Div. 2) 5
281 Mike and Frog Categories Codeforces Codeforces Round #305 (Div. 1) & Codeforces Round #305 (Div. 2) 5
282 Three Sons Categories Codeforces School Regional Team Contest, Saratov, 2011 5
283 Bargaining Table Categories Codeforces Codeforces Beta Round #22 (Div. 2 Only) 5
284 Skills Categories Codeforces Codeforces Round #339 (Div. 1) & Codeforces Round #339 (Div. 2) 5
285 Help Farmer Categories Codeforces Codeforces Round #102 (Div. 1) & Codeforces Round #102 (Div. 2) 5
286 Restore Cube Categories Codeforces Codeforces Round #265 (Div. 1) 5
287 Hanoi Factory Categories Codeforces Codeforces Round #401 (Div. 2) 5
288 Fibonacci-ish Categories Codeforces Manthan, Codefest 16 5
289 Shopping Categories Codeforces Educational Codeforces Round 12 5
290 Number With The Given Amount Of Divisors Categories Codeforces Codeforces Beta Round #27 (Codeforces format, Div. 2) 5
291 Average Numbers Categories Codeforces Codeforces Testing Round #3 5
292 PFAST Inc. Categories Codeforces Codeforces Beta Round #86 (Div. 2 Only) 5
293 Four Segments Categories Codeforces Codeforces Beta Round #14 (Div. 2) 5
294 Jury Size Categories Codeforces Codeforces Round #155 (Div. 2) 5
295 Jerry's Protest Categories Codeforces 8VC Venture Cup 2016 - Elimination Round 5
296 Broken checker Categories Codeforces April Fools Day Contest 5
297 Rectangle and Square Categories Codeforces Codeforces Beta Round #97 (Div. 1) & Codeforces Beta Round #97 (Div. 2) 5
298 Candy Boxes Categories Codeforces Codeforces Round #278 (Div. 2) 5
299 4-point polyline Categories Codeforces MemSQL Start[c]UP 2.0 - Round 1 5
300 CGCDSSQ Categories Codeforces Bayan 2015 Contest Warm Up 5
301 Ksusha the Squirrel Categories Codeforces Croc Champ 2013 - Round 2 (Div. 2 Edition) 5
302 Chocolate Bar Categories Codeforces Educational Codeforces Round 1 5
303 Vasily the Bear and Sequence Categories Codeforces Codeforces Round #195 (Div. 2) 5
304 Chess Categories Codeforces School Personal Contest #1 (Winter Computer School 2010/11) - Codeforces Beta Round #38 (ACM-ICPC Rules) 5
305 Game on Paper Categories Codeforces Codeforces Round #128 (Div. 2) 5
306 Inversions problem Categories Codeforces Rockethon 2015 5
307 Calendar Categories Codeforces Codeforces Round #183 (Div. 2) 5
308 Boulevard Categories Codeforces 2015-2016 ACM-ICPC, NEERC, Southern Subregional Contest (Online Mirror, ACM-ICPC Rules, Teams Preferred) 5
309 Accounting Categories Codeforces Codeforces Beta Round #30 (Codeforces format) 5
310 Roman and Numbers Categories Codeforces Codeforces Round #235 (Div. 2) 5
311 Fancy Number Categories Codeforces Codeforces Beta Round #89 (Div. 2) 5
312 Unsorting Array Categories Codeforces Codeforces Round #153 (Div. 2) 6
313 Heroes Categories Codeforces Codeforces Beta Round #69 (Div. 1 Only) & Codeforces Beta Round #69 (Div. 2 Only) 6
314 Easy Tape Programming Categories Codeforces Codeforces Round #148 (Div. 2) 6
315 Caisa and Tree Categories Codeforces Codeforces Round #264 (Div. 2) 6
316 Vanya and Brackets Categories Codeforces Codeforces Round #308 (Div. 2) 6
317 Divisors Categories Codeforces Codeforces Round #256 (Div. 2) 6
318 Characteristics of Rectangles Categories Codeforces Codeforces Round #194 (Div. 1) 6
319 Mr. Bender and Square Categories Codeforces Codeforces Round #156 (Div. 2) & Codeforces Round #156 (Div. 1) 6
320 Wonderful Randomized Sum Categories Codeforces Codeforces Beta Round #33 (Codeforces format) 6
321 Karen and Supermarket Categories Codeforces Codeforces Round #419 (Div. 1) & Codeforces Round #419 (Div. 2) 6
322 Maximal Area Quadrilateral Categories Codeforces Codeforces Round #198 (Div. 2) 6
323 New Year Cards Categories Codeforces Codeforces Round #100 6
324 Sum of Medians Categories Codeforces Yandex.Algorithm 2011 Round 1 6
325 Summer Homework Categories Codeforces ABBYY Cup 3.0 6
326 Little Elephant and Elections Categories Codeforces Codeforces Round #157 (Div. 1) & Codeforces Round #157 (Div. 2) 6
327 Fly, freebies, fly! Categories Codeforces Testing Round #9 6
328 Karen and Test Categories Codeforces Codeforces Round #419 (Div. 1) & Codeforces Round #419 (Div. 2) 6
329 Smallest number Categories Codeforces Codeforces Beta Round #51 6
330 Hot Bath Categories Codeforces Codeforces Beta Round #93 (Div. 1 Only) & Codeforces Beta Round #93 (Div. 2 Only) 6
331 Number of Triplets Categories Codeforces Croc Champ 2012 - Round 2 (Unofficial Div. 2 Edition) 6
332 Time to Raid Cowavans Categories Codeforces Codeforces Beta Round #80 (Div. 1 Only) & Codeforces Beta Round #80 (Div. 2 Only) 6
333 Restoring Increasing Sequence Categories Codeforces Codeforces Round #279 (Div. 2) 6
334 New Year Letter Categories Codeforces Good Bye 2013 6
335 FLING1 Categories SPOJ 6
336 Kingdoms Categories UVA 6
337 Harry Potter and the History of Magic Categories Codeforces Codeforces Beta Round #60 6
338 Encrypting Messages Categories Codeforces ABBYY Cup 2.0 - Easy 6
339 Lucky Permutation Categories Codeforces Codeforces Beta Round #91 (Div. 1 Only) & Codeforces Beta Round #91 (Div. 2 Only) 6
340 Little Elephant and LCM Categories Codeforces Codeforces Round #157 (Div. 1) & Codeforces Round #157 (Div. 2) 6
341 Bulls and Cows Categories Codeforces Codeforces Beta Round #59 (Div. 2) 6
342 Vladik and cards Categories Codeforces Codeforces Round #384 (Div. 2) 6
343 Longest Subsequence Categories Codeforces Educational Codeforces Round 9 6
344 Lizards and Basements 2 Categories Codeforces Codeforces Beta Round #6 (Div. 2 Only) 6
345 Trees Categories Codeforces Codeforces Beta Round #54 (Div. 2) 6
346 A Heap of Heaps Categories Codeforces Codeforces Round #300 6
347 Oh Sweet Beaverette Categories Codeforces ABBYY Cup 3.0 - Finals (online version) 6
348 Anya and Cubes Categories Codeforces Codeforces Round #297 (Div. 2) 6
349 Very Interesting Game Categories Codeforces Codeforces Beta Round #88 6
350 Ants Categories Codeforces Codeforces Round #188 (Div. 1) & Codeforces Round #188 (Div. 2) 6
351 Party Categories Codeforces ABBYY Cup 2.0 - Easy 6
352 String Categories Codeforces Codeforces Beta Round #94 (Div. 1 Only) & Codeforces Beta Round #94 (Div. 2 Only) 6
353 EKG Categories Codeforces ABBYY Cup 3.0 6
354 Platforms Categories Codeforces Codeforces Beta Round #18 (Div. 2 Only) 6
355 Land Lot Categories Codeforces School Personal Contest #3 (Winter Computer School 2010/11) - Codeforces Beta Round #45 (ACM-ICPC Rules) 6
356 Bear and Up-Down Categories Codeforces IndiaHacks 2016 - Online Edition (Div. 1 + Div. 2) 6
357 Blinds Categories Codeforces School Personal Contest #1 (Winter Computer School 2010/11) - Codeforces Beta Round #38 (ACM-ICPC Rules) 6
358 Lucky Probability Categories Codeforces Codeforces Beta Round #84 (Div. 1 Only) & Codeforces Beta Round #84 (Div. 2 Only) 6
359 Help Victoria the Wise Categories Codeforces Codeforces Beta Round #78 (Div. 1 Only) & Codeforces Beta Round #78 (Div. 2 Only) 7
360 Three-dimensional Turtle Super Computer Categories Codeforces VK Cup 2016 - Qualification Round 2 7
361 Seller Bob Categories Codeforces Codeforces Beta Round #18 (Div. 2 Only) 7
362 Double Happiness Categories Codeforces Codeforces Beta Round #86 (Div. 1 Only) & Codeforces Beta Round #86 (Div. 2 Only) 7
363 Table with Letters - 2 Categories Codeforces Codeforces Round #154 (Div. 2) 7
364 Peterson Polyglot Categories Codeforces Codeforces Round #402 (Div. 1) & Codeforces Round #402 (Div. 2) 7
365 Pairs of Numbers Categories Codeforces Codeforces Testing Round #3 7
366 ucyhf Categories Codeforces April Fools Day Contest 7
367 Game Categories Codeforces Codeforces Beta Round #46 (Div. 2) 7
368 Anton and Permutation Categories Codeforces Codeforces Round #404 (Div. 2) 7
369 Brand New Easy Problem Categories Codeforces Codeforces Round #127 (Div. 2) 7
370 Fuzzy Search Categories Codeforces Codeforces Round #296 (Div. 1) 7
371 Xor Categories Codeforces Codeforces Round #122 (Div. 1) & Codeforces Round #122 (Div. 2) 7
372 Beautiful IP Addresses Categories Codeforces Croc Champ 2013 - Round 1 7
373 Minimum Modular Categories Codeforces Codeforces Round #183 (Div. 1) & Codeforces Round #183 (Div. 2) 7
374 Little Victor and Set Categories Codeforces Codeforces Round #262 (Div. 2) 7
375 Edo and Magnets Categories Codeforces Codeforces Round #330 (Div. 1) & Codeforces Round #330 (Div. 2) 7
376 Wrong Floyd Categories Codeforces Codeforces Round #203 (Div. 2) 7
377 Blackboard Fibonacci Categories Codeforces Codeforces Round #134 (Div. 1) & Codeforces Round #134 (Div. 2) 7
378 Group Photo 2 (online mirror version) Categories Codeforces VK Cup 2015 - Round 1 (unofficial online mirror, Div. 1 only) 7
379 Treasure Island Categories Codeforces Codeforces Beta Round #82 (Div. 2) 7
380 Special Grid Categories Codeforces Codeforces Round #249 (Div. 2) 7
381 Kamal-ol-molk's Painting Categories Codeforces Bayan 2015 Contest Warm Up 7
382 Log Stream Analysis Categories Codeforces CROC-MBTU 2012, Elimination Round (ACM-ICPC) 7
383 Journey Categories Codeforces Codeforces Beta Round #42 (Div. 2) 7
384 Dark Assembly Categories Codeforces Codeforces Beta Round #81 7
385 Football Championship Categories Codeforces Codeforces Round #126 (Div. 2) 7
386 THE N WITTY FRIENDS Categories SPOJ 7
387 Bamboo Partition Categories Codeforces Codeforces Round #424 (Div. 1, rated, based on VK Cup Finals) & Codeforces Round #424 (Div. 2, rated, based on VK Cup Finals) 7
388 Elections Categories Codeforces MemSQL Start[c]UP 2.0 - Round 2 7
389 Programming Language Categories Codeforces Codeforces Round #126 (Div. 2) 7
390 Vladik and chat Categories Codeforces Codeforces Round #390 (Div. 2) 7
391 Curious Array Categories Codeforces Codeforces Round #239 (Div. 1) & Codeforces Round #239 (Div. 2) 7
392 Rat Kwesh and Cheese Categories Codeforces Codeforces Round #341 (Div. 2) 7
393 Subset Sums Categories Codeforces Codeforces Round #202 (Div. 1) & Codeforces Round #202 (Div. 2) 7
394 Hongcow Buys a Deck of Cards Categories Codeforces Codeforces Round #385 (Div. 1) & Codeforces Round #385 (Div. 2) 7
395 Spiral Maximum Categories Codeforces Croc Champ 2012 - Round 1 7
396 Divisor Tree Categories Codeforces Codeforces Round #196 (Div. 2) & Codeforces Round #196 (Div. 1) 7
397 Binary Table Categories Codeforces CROC 2016 - Final Round [Private, For Onsite Finalists Only] 7
398 Dividing Kingdom II Categories Codeforces Codeforces Round #360 (Div. 1) 8
399 Mother of Dragons Categories Codeforces Codeforces Round #428 (Div. 2) 8
400 Gosha is hunting Categories Codeforces Codeforces Round #381 (Div. 1) 8
401 Summer Earnings Categories Codeforces Codeforces Round #194 (Div. 1) 8
402 Crosses Categories Codeforces Codeforces Round #132 (Div. 2) 8
403 Collisions Categories Codeforces Codeforces Beta Round #34 (Div. 2) 8
404 Dima and Magic Guitar Categories Codeforces Codeforces Round #214 (Div. 2) 8
405 Safe cracking Categories Codeforces Codeforces Beta Round #41 8
406 Biathlon Track Categories Codeforces Codeforces Round #242 (Div. 2) 8
407 Cinema Categories Codeforces Codeforces Round #126 (Div. 2) 8
408 Broken Monitor Categories Codeforces Codeforces Round #217 (Div. 2) 8
409 Distinct Paths Categories Codeforces Croc Champ 2013 - Round 2 8
410 Mad Joe Categories Codeforces CROC-MBTU 2012, Final Round (Online version, Div. 2) 8
411 Polycarpus the Safecracker Categories Codeforces VK Cup 2012 Round 1 8
412 Timofey and remoduling Categories Codeforces Codeforces Round #395 (Div. 1) & Codeforces Round #395 (Div. 2) 8
413 Help Caretaker Categories Codeforces Codeforces Round #102 (Div. 1) & Codeforces Round #102 (Div. 2) 8
414 Beautiful Set Categories Codeforces Codeforces Round #213 (Div. 1) & Codeforces Round #213 (Div. 2) 8
415 Safe Categories Codeforces Codeforces Beta Round #44 (Div. 2) 8
416 Magic Matrix Categories Codeforces Educational Codeforces Round 9 8
417 Cube Problem Categories Codeforces Croc Champ 2013 - Round 2 8
418 Sereja and Tree Categories Codeforces Codeforces Round #223 (Div. 1) & Codeforces Round #223 (Div. 2) 8
419 Mushroom Strife Categories Codeforces Codeforces Beta Round #56 8
420 Kay and Eternity Categories Codeforces Codeforces Round #359 (Div. 1) 8
421 The Diameter of Tree Categories Live Archive 2014 Asia - Xian 8
422 Vanya and Balloons Categories Codeforces Codeforces Round #355 (Div. 2) 8
423 Zoo Categories Codeforces Croc Champ 2012 - Final 8
424 Suggested Friends Categories Codeforces CROC-MBTU 2012, Elimination Round (ACM-ICPC) 8
425 Ghd Categories Codeforces Codeforces Round #213 (Div. 1) 8
426 Chip Play Categories Codeforces Codeforces Beta Round #74 (Div. 1 Only) & Codeforces Beta Round #74 (Div. 2 Only) 8
427 The Tournament Categories Codeforces Rockethon 2014 9
428 Shaass and Painter Robot Categories Codeforces Codeforces Round #178 (Div. 2) 9
429 Task processing Categories Codeforces 2015-2016 ACM-ICPC, NEERC, Southern Subregional Contest (Online Mirror, ACM-ICPC Rules, Teams Preferred) 9
430 Gripping Story Categories Codeforces Codeforces Round #125 (Div. 1) 9
431 Savior Categories Codeforces Codeforces Beta Round #56 9
432 Sign Posts Categories Codeforces Codeforces Round #315 (Div. 1) 9
433 Minimum Diameter Categories Codeforces VK Cup 2012 Round 3 9
434 PE Lesson Categories Codeforces ABBYY Cup 3.0 9
435 Azembler Categories Codeforces Codeforces Beta Round #76 (Div. 1 Only) & Codeforces Beta Round #76 (Div. 2 Only) 9
436 Writing a Song Categories Codeforces Codeforces Beta Round #50 9
437 Synchrophasotron Categories Codeforces Codeforces Beta Round #62 9
438 Supercollider Categories Codeforces Rockethon 2014 9
439 BLOCK_D SOLVER Categories SPOJ 9
440 Race Categories Codeforces Bayan 2012-2013 Elimination Round (ACM ICPC Rules, English statements) 9
441 Frames Categories Codeforces Codeforces Round #108 (Div. 2) 9
442 Prime Segment Categories Codeforces Unknown Language Round #1 9
443 Dividing Kingdom Categories Codeforces Codeforces Round #158 (Div. 2) 9
444 Plane of Tanks: Duel Categories Codeforces Codeforces Round #115 9
445 Solitaire Categories Codeforces Codeforces Beta Round #65 (Div. 2) 9
446 Ever-Hungry Krakozyabra Categories Codeforces Codeforces Round #426 (Div. 1) & Codeforces Round #426 (Div. 2) 9
447 Pumping Stations Categories Codeforces Codeforces Round #200 (Div. 1) 9
448 Pasha and Pipe Categories Codeforces Codeforces Round #293 (Div. 2) 9
449 Physical Education and Buns Categories Codeforces Codeforces Round #231 (Div. 2) 9
450 Fetch the Treasure Categories Codeforces Codeforces Round #185 (Div. 1) & Codeforces Round #185 (Div. 2) 9
451 Rectangles and Square Categories Codeforces MemSQL start[c]up Round 2 - online version 9
452 Maxim and Calculator Categories Codeforces Codeforces Round #160 (Div. 1) 9
453 Bear and Chase Categories Codeforces Codeforces Round #356 (Div. 1) 9
454 Fibonacci Number Categories Codeforces Codeforces Round #122 (Div. 1) 9
455 Power Defence Categories Codeforces Codeforces Round #115 9
456 Domino Categories Codeforces Yandex.Algorithm 2011 Finals 9
457 The Last Hole! Categories Codeforces Codeforces Round #168 (Div. 1) & Codeforces Round #168 (Div. 2) 9
458 Roland and Rose Categories Codeforces Codeforces Round #262 (Div. 2) 9
459 Rats Categories Codeforces Codeforces Round #155 (Div. 2) 9
460 Dasha and cyclic table Categories Codeforces Codeforces Round #390 (Div. 2) 9
461 Walls Categories Live Archive 2012 North America - Southeast USA 9
462 Harry Potter and the Sorting Hat Categories Codeforces Codeforces Beta Round #60 9
463 Cycle Categories Codeforces Codeforces Beta Round #97 (Div. 1) 9
464 Bitonix' Patrol Categories Codeforces Codeforces Round #134 (Div. 1) 9
465 Rhombus Categories Codeforces Codeforces Round #161 (Div. 2) 9
466 Travelling Through the Snow Queen's Kingdom Categories Codeforces Codeforces Round #359 (Div. 1) 9
467 Word Folding Categories Codeforces Rockethon 2014 9
468 Large Refrigerator Categories Codeforces VK Cup 2012 Round 2 9
469 Dima and Kicks Categories Codeforces Codeforces Round #208 (Div. 2) 9
470 Lucky Tickets Categories Codeforces Codeforces Round #194 (Div. 1) & Codeforces Round #194 (Div. 2) 9
471 Race Categories Codeforces Codeforces Beta Round #42 (Div. 2) 9
472 Item World Categories Codeforces Codeforces Beta Round #81 9
473 Brand New Problem Categories Codeforces Codeforces Round #127 (Div. 1) 9
474 Wavy numbers Categories Codeforces Codeforces Round #273 (Div. 2) 10
475 Toys Categories Codeforces School Team Contest #2 (Winter Computer School 2010/11) 10
476 Lift and Throw Categories Codeforces Codeforces Beta Round #81 10
477 To Hack or not to Hack Categories Codeforces CROC 2016 - Final Round [Private, For Onsite Finalists Only] 10
478 Lucky Interval Categories Codeforces Codeforces Beta Round #84 (Div. 1 Only) 10
479 Chain Reaction Categories Codeforces Codeforces Round #349 (Div. 1) & Codeforces Round #349 (Div. 2) 10
480 Tennis Rackets Categories Codeforces Croc Champ 2013 - Finals (online version, Div. 1) 10
481 Long sequence Categories Codeforces Yandex.Algorithm 2011 Round 2 10
482 Party Categories Codeforces Bubble Cup 8 - Finals [Online Mirror] 10
483 Two Circles Categories Codeforces Codeforces Round #211 (Div. 2) 10
484 Gears Categories Codeforces Codeforces Round #283 (Div. 1) 10
485 Ali goes shopping Categories Codeforces Unknown Language Round #2 10
486 Pills Categories Codeforces Codeforces Beta Round #93 (Div. 1 Only) 10
487 Mrs. Hudson's Pancakes Categories Codeforces Codeforces Round #110 (Div. 1) 10
488 Banners Categories Codeforces Zepto Code Rush 2014 10
489 Robot in Basement Categories Codeforces Yandex.Algorithm 2011 Finals 10
490 Plane of Tanks Categories Codeforces Codeforces Beta Round #66 10
491 The Overdosing Ubiquity Categories Codeforces Codeforces Round #439 (Div. 2) 10
492 Hellish Constraints Categories Codeforces Codeforces Beta Round #99 (Div. 1) 10
493 Entertaining Geodetics Categories Codeforces Codeforces Beta Round #81 10