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Greedy problems
Problem Name Online Judge Year Contest Difficulty Level
1 Optimal Array Multiplication Sequence Categories UVA 1
2 Case of the Zeros and Ones Categories Codeforces Codeforces Round #310 (Div. 2) 1
3 Chat room Categories Codeforces Codeforces Beta Round #54 (Div. 2) 1
4 Woodcutters Categories Codeforces Codeforces Round #303 (Div. 2) 1
5 Vitaliy and Pie Categories Codeforces Codeforces Round #297 (Div. 2) 1
6 Sale Categories Codeforces Codeforces Beta Round #34 (Div. 2) 1
7 Dragons Categories Codeforces Codeforces Round #142 (Div. 2) 1
8 Dragon of Loowater Categories UVA 1
9 Amr and Music Categories Codeforces Codeforces Round #287 (Div. 2) 1
10 I Wanna Be the Guy Categories Codeforces Codeforces Round #268 (Div. 2) 1
11 Anton and Classes Categories Codeforces Codeforces Round #404 (Div. 2) 1
12 Random Teams Categories Codeforces Codeforces Round #273 (Div. 2) 1
13 Tanya and Toys Categories Codeforces Codeforces Round #346 (Div. 2) 1
14 All in All Categories UVA 1
15 Helpful Maths Categories Codeforces Codeforces Round #197 (Div. 2) 1
16 USB Flash Drives Categories Codeforces Educational Codeforces Round 3 1
17 Army Categories Codeforces School Personal Contest #1 (Winter Computer School 2010/11) - Codeforces Beta Round #38 (ACM-ICPC Rules) 1
18 Fox and Number Game Categories Codeforces Codeforces Round #228 (Div. 2) 1
19 Ilya and Diplomas Categories Codeforces Codeforces Round #311 (Div. 2) 1
20 Diverse Permutation Categories Codeforces Codeforces Round #275 (Div. 1) & Codeforces Round #275 (Div. 2) 1
21 Queue Categories Codeforces Codeforces Round #303 (Div. 2) 1
22 Little Elephant and Bits Categories Codeforces Codeforces Round #157 (Div. 1) & Codeforces Round #157 (Div. 2) 1
23 The Stern-Brocot Number System Categories UVA 1
24 Team Categories Codeforces Codeforces Round #143 (Div. 2) 1
25 A and B and Team Training Categories Codeforces Codeforces Round #294 (Div. 2) 1
26 At most twice Categories Live Archive 2015 Latin America 1
27 Magic Numbers Categories Codeforces Codeforces Round #189 (Div. 2) 1
28 Anton and currency you all know Categories Codeforces Codeforces Round #288 (Div. 2) 1
29 Mahmoud and a Triangle Categories Codeforces Codeforces Round #396 (Div. 2) 1
30 Maximum Sum (II) Categories UVA 1
31 The number of positions Categories Codeforces Codeforces Beta Round #92 (Div. 2 Only) 1
32 Cinema Line Categories Codeforces Codeforces Round #202 (Div. 2) 1
33 Twins Categories Codeforces Codeforces Round #111 (Div. 2) 1
34 Domino piling Categories Codeforces Codeforces Beta Round #47 1
35 Table Decorations Categories Codeforces Codeforces Round #273 (Div. 2) 1
36 Gravity Flip Categories Codeforces Codeforces Round #238 (Div. 2) 1
37 Adding Reversed Numbers Categories SPOJ 1
38 Chewba?ca and Number Categories Codeforces Codeforces Round #291 (Div. 2) 1
39 Roadside Trees (Simplified Edition) Categories Codeforces Codeforces Round #162 (Div. 2) 1
40 Valera and Plates Categories Codeforces Codeforces Round #216 (Div. 2) 1
41 Taxi Categories Codeforces VK Cup 2012 Qualification Round 1 1
42 DZY Loves Strings Categories Codeforces Codeforces Round #255 (Div. 2) 1
43 Two Buttons Categories Codeforces Codeforces Round #295 (Div. 2) 1
44 Puzzles Categories Codeforces Codeforces Round #196 (Div. 2) 1
45 Team Categories Codeforces Codeforces Round #235 (Div. 2) 1
46 DIE HARD Categories SPOJ 1
47 Simple Game Categories Codeforces Codeforces Round #316 (Div. 2) 1
48 BerSU Ball Categories Codeforces Codeforces Round #277.5 (Div. 2) 1
49 Bon Appetit Categories CodeChef 1
50 Wine trading in Gergovia Categories SPOJ 1
51 Appleman and Toastman Categories Codeforces Codeforces Round #263 (Div. 1) & Codeforces Round #263 (Div. 2) 1
52 Business trip Categories Codeforces Codeforces Round #106 (Div. 2) 1
53 Choosing Teams Categories Codeforces Codeforces Round #246 (Div. 2) 1
54 Theatre Square Categories Codeforces Codeforces Beta Round #1 1
55 Wilbur and Array Categories Codeforces Codeforces Round #331 (Div. 2) 1
56 Drazil and Factorial Categories Codeforces Codeforces Round #292 (Div. 2) & Codeforces Round #292 (Div. 1) 1
57 Expedition Categories SPOJ 1
58 Slightly Decreasing Permutations Categories Codeforces Codeforces Round #175 (Div. 2) 1
59 The Bus Driver Problem Categories UVA 1
60 Soldier and Badges Categories Codeforces Codeforces Round #304 (Div. 2) 1
61 Vladik and flights Categories Codeforces Codeforces Round #384 (Div. 2) 1
62 Kefa and Park Categories Codeforces Codeforces Round #321 (Div. 2) 1
63 Help the soldier Categories SPOJ 1
64 Joysticks Categories Codeforces Codeforces Round #345 (Div. 2) 1
65 Quasi Binary Categories Codeforces Codeforces Round #300 1
66 Given Length and Sum of Digits... Categories Codeforces Codeforces Round #277.5 (Div. 2) 1
67 Bachgold Problem Categories Codeforces Codeforces Round #388 (Div. 2) 1
68 I AM VERY BUSY Categories SPOJ 1
69 Patrick and Shopping Categories Codeforces Codeforces Round #332 (Div. 2) 1
70 TL Categories Codeforces Codeforces Round #203 (Div. 2) 1
71 Exams Categories Codeforces Codeforces Round #274 (Div. 2) & Codeforces Round #274 (Div. 1) 1
72 Sereja and Dima Categories Codeforces Codeforces Round #223 (Div. 2) 1
73 Equidistant String Categories Codeforces Codeforces Round #303 (Div. 2) 1
74 Building Permutation Categories Codeforces Codeforces Round #175 (Div. 2) 1
75 Shortest path of the king Categories Codeforces Codeforces Beta Round #3 1
76 Chocolate Categories SPOJ 1
77 Shopaholic Categories UVA 1
78 OR in Matrix Categories Codeforces Codeforces Round #277 (Div. 2) 1
79 Bear and Raspberry Categories Codeforces Codeforces Round #226 (Div. 2) 1
80 Beautiful Paintings Categories Codeforces Codeforces Round #345 (Div. 2) 1
81 Devu, the Singer and Churu, the Joker Categories Codeforces Codeforces Round #251 (Div. 2) 1
82 Little Girl and Game Categories Codeforces Codeforces Round #169 (Div. 2) 1
83 Before an Exam Categories Codeforces Codeforces Beta Round #4 (Div. 2 Only) 1
84 Duff and Meat Categories Codeforces Codeforces Round #326 (Div. 2) 1
85 Team Olympiad Categories Codeforces Codeforces Round #279 (Div. 2) 1
86 DZY Loves Chemistry Categories Codeforces Codeforces Round #254 (Div. 2) 2
87 Xenia and Divisors Categories Codeforces Codeforces Round #199 (Div. 2) 2
88 Buggy Sorting Categories Codeforces Codeforces Round #151 (Div. 2) 2
89 Little Pigs and Wolves Categories Codeforces Codeforces Beta Round #87 (Div. 2 Only) 2
90 Watering Grass Categories UVA 2
91 Summer sell-off Categories Codeforces Codeforces Round #415 (Div. 2) 2
92 GCD Table Categories Codeforces Codeforces Round #323 (Div. 1) & Codeforces Round #323 (Div. 2) 2
93 Palindrome Transformation Categories Codeforces Codeforces Round #277 (Div. 2) 2
94 Bear and Strings Categories Codeforces Codeforces Round #226 (Div. 2) 2
95 Ciel and Dancing Categories Codeforces Codeforces Round #190 (Div. 2) 2
96 Alyona and mex Categories Codeforces Codeforces Round #381 (Div. 1) & Codeforces Round #381 (Div. 2) 2
97 Coins Categories Codeforces Codeforces Beta Round #54 (Div. 2) 2
98 Ksenia and Pan Scales Categories Codeforces Codeforces Round #224 (Div. 2) 2
99 Polo the Penguin and Strings Categories Codeforces Codeforces Round #177 (Div. 1) & Codeforces Round #177 (Div. 2) 2
100 Lesha and array splitting Categories Codeforces Codeforces Round #390 (Div. 2) 2
101 Squares Categories Codeforces Codeforces Round #161 (Div. 2) 2
102 Combination Categories Codeforces Codeforces Round #109 (Div. 2) 2
103 Pasha and String Categories Codeforces Codeforces Round #297 (Div. 2) 2
104 New Year Permutation Categories Codeforces Good Bye 2014 2
105 Increase and Decrease Categories Codeforces Codeforces Round #151 (Div. 2) 2
106 Inventory Categories Codeforces Codeforces Round #315 (Div. 2) 2
107 George and Round Categories Codeforces Codeforces Round #227 (Div. 2) 2
108 k-Multiple Free Set Categories Codeforces Codeforces Round #168 (Div. 1) & Codeforces Round #168 (Div. 2) 2
109 Alice, Bob and Chocolate Categories Codeforces Codeforces Beta Round #6 (Div. 2 Only) 2
110 Train TimeTable Categories SPOJ 2
111 String Game Categories Codeforces Codeforces Round #402 (Div. 1) & Codeforces Round #402 (Div. 2) 2
112 Points on Line Categories Codeforces Codeforces Round #153 (Div. 1) & Codeforces Round #153 (Div. 2) 2
113 Lucky Conversion Categories Codeforces Codeforces Round #104 (Div. 1) & Codeforces Round #104 (Div. 2) 2
114 Little Elephant and Music Categories CodeChef 2
115 Fox and Cross Categories Codeforces Codeforces Round #228 (Div. 2) 2
116 Saruman of Many Colours Categories SPOJ 2
117 Game of Credit Cards Categories Codeforces Codeforces Round #401 (Div. 2) 2
118 Fixing Typos Categories Codeforces Codeforces Round #211 (Div. 2) 2
119 Ambitious Manager Categories SPOJ 2
120 Coin Collector Categories UVA 2
121 Alternating Current Categories Codeforces Codeforces Round #200 (Div. 1) & Codeforces Round #200 (Div. 2) 2
122 Alternative Thinking Categories Codeforces Codeforces Round #334 (Div. 1) & Codeforces Round #334 (Div. 2) 2
123 New Year Book Reading Categories Codeforces Good Bye 2014 2
124 Design Tutorial: Make It Nondeterministic Categories Codeforces Codeforces Round #270 2
125 Valued Keys Categories Codeforces Codeforces Round #409 (rated, Div. 2, based on VK Cup 2017 Round 2) 2
126 Airport Categories Codeforces Codeforces Round #134 (Div. 2) 2
127 Dynamic Frog Categories UVA 2
128 Table Categories Codeforces Codeforces Round #209 (Div. 2) 2
129 Our Tanya is Crying Out Loud Categories Codeforces Codeforces Round #466 (Div. 2) 2
130 Color the Fence Categories Codeforces Codeforces Round #202 (Div. 2) 2
131 Unlucky Ticket Categories Codeforces Codeforces Round #111 (Div. 2) 2
132 Towers Categories Codeforces Codeforces Round #274 (Div. 2) 2
133 New Year Ratings Change Categories Codeforces Good Bye 2013 2
134 Leha and Function Categories Codeforces Codeforces Round #429 (Div. 1) & Codeforces Round #429 (Div. 2) 2
135 Boys and Girls Categories Codeforces Codeforces Round #154 (Div. 2) 2
136 Permutation Categories Codeforces Codeforces Beta Round #98 (Div. 2) 2
137 Vanya and Exams Categories Codeforces Codeforces Round #280 (Div. 2) 2
138 Valuable Resources Categories Codeforces Codeforces Round #276 (Div. 2) 2
139 24 Game Categories Codeforces Codeforces Round #268 (Div. 1) & Codeforces Round #268 (Div. 2) 2
140 Conan and Agasa play a Card Game Categories Codeforces Codecraft-18 and Codeforces Round #458 (Div. 1 + Div. 2, combined) 2
141 Fox And Names Categories Codeforces Codeforces Round #290 (Div. 2) & Codeforces Round #290 (Div. 1) 2
142 The Child and Toy Categories Codeforces Codeforces Round #250 (Div. 2) & Codeforces Round #250 (Div. 1) 2
143 More Cowbell Categories Codeforces Codeforces Round #334 (Div. 2) 2
144 Fox and Box Accumulation Categories Codeforces Codeforces Round #228 (Div. 1) & Codeforces Round #228 (Div. 2) 2
145 Sail Categories Codeforces Codeforces Round #180 (Div. 2) 2
146 Counting Kangaroos is Fun Categories Codeforces Codeforces Round #219 (Div. 1) & Codeforces Round #219 (Div. 2) 2
147 Two Bags of Potatoes Categories Codeforces Codeforces Round #148 (Div. 2) 2
148 Yaroslav and Permutations Categories Codeforces Codeforces Round #179 (Div. 2) 2
149 Duff and Weight Lifting Categories Codeforces Codeforces Round #326 (Div. 1) & Codeforces Round #326 (Div. 2) 2
150 Appleman and Card Game Categories Codeforces Codeforces Round #263 (Div. 2) 2
151 Planning Categories Codeforces Codeforces Round #433 (Div. 1, based on Olympiad of Metropolises) & Codeforces Round #433 (Div. 2, based on Olympiad of Metropolises) 2
152 Covered Path Categories Codeforces Codeforces Round #298 (Div. 2) 2
153 Dinner with Emma Categories Codeforces Educational Codeforces Round 5 2
154 Football Kit Categories Codeforces Codeforces Round #246 (Div. 2) 2
155 Making a String Categories Codeforces AIM Tech Round (Div. 2) 2
156 Milk Scheduling Categories SPOJ 2
157 Not Afraid Categories Codeforces Codeforces Round #406 (Div. 2) 2
158 Cupboards Categories Codeforces Codeforces Round #152 (Div. 2) 2
159 Mike and Fun Categories Codeforces Codeforces Round #305 (Div. 2) 2
160 Urbanization Categories Codeforces Codeforces Round #382 (Div. 2) 2
161 Saruman of Many Colours Categories Live Archive 2012 Asia - Amritapuri 2
162 Tourist's Notes Categories Codeforces Codeforces Round #300 2
163 Group of Students Categories Codeforces Codeforces Round #207 (Div. 2) 2
164 Removing Columns Categories Codeforces Codeforces Round #283 (Div. 2) & Codeforces Round #283 (Div. 1) 2
165 Station Balance Categories UVA 2
166 Sorting Railway Cars Categories Codeforces Codeforces Round #335 (Div. 1) & Codeforces Round #335 (Div. 2) 2
167 Pride Categories Codeforces Codeforces Round #446 (Div. 1) & Codeforces Round #446 (Div. 2) 2
168 Painting Pebbles Categories Codeforces Codeforces Round #289 (Div. 2, ACM ICPC Rules) 2
169 Painting Eggs Categories Codeforces Codeforces Round #173 (Div. 2) 2
170 Bombs Categories Codeforces Codeforces Round #203 (Div. 2) 3
171 Long Jumps Categories Codeforces Codeforces Round #274 (Div. 2) & Codeforces Round #274 (Div. 1) 3
172 Sereja and Stairs Categories Codeforces Codeforces Round #223 (Div. 2) 3
173 Gargari and Bishops Categories Codeforces Codeforces Round #264 (Div. 2) 3
174 Roma and Changing Signs Categories Codeforces Codeforces Round #160 (Div. 2) 3
175 Pearls in a Row Categories Codeforces Educational Codeforces Round 6 3
176 Vasya and Robot Categories Codeforces Codeforces Round #206 (Div. 1) & Codeforces Round #206 (Div. 2) 3
177 Booking System Categories Codeforces Codeforces Round #241 (Div. 2) 3
178 Santa Claus and Robot Categories Codeforces Technocup 2017 - Elimination Round 3 3
179 Ilya and Matrix Categories Codeforces Codeforces Round #186 (Div. 2) 3
180 Multithreading Categories Codeforces Codeforces Round #165 (Div. 2) 3
181 Palindromes Categories Live Archive 1995 North America - South Central USA 3
182 DNA Alignment Categories Codeforces Codeforces Round #295 (Div. 2) & Codeforces Round #295 (Div. 1) 3
183 Vanya and Scales Categories Codeforces Codeforces Round #308 (Div. 2) 3
184 Heap Operations Categories Codeforces Codeforces Round #357 (Div. 2) 3
185 Median Categories Codeforces Codeforces Round #113 (Div. 2) 3
186 Valera and Fruits Categories Codeforces Codeforces Round #252 (Div. 2) 3
187 Little Girl and Maximum XOR Categories Codeforces Codeforces Round #169 (Div. 2) 3
188 Cloud of Hashtags Categories Codeforces Codeforces Round #401 (Div. 2) 3
189 Testing Pants for Sadness Categories Codeforces Codeforces Beta Round #80 (Div. 1 Only) & Codeforces Beta Round #80 (Div. 2 Only) 3
190 Catch Me If You Can Categories SPOJ 3
191 Order Book Categories Codeforces Codeforces Round #317 [AimFund Thanks-Round] (Div. 2) 3
192 Greedy Hydra Categories SPOJ 3
193 No to Palindromes! Categories Codeforces Codeforces Round #265 (Div. 1) & Codeforces Round #265 (Div. 2) 3
194 Regular Bracket Sequence Categories Codeforces Codeforces Beta Round #26 (Codeforces format) 3
195 Vasya and Public Transport Categories Codeforces Codeforces Round #206 (Div. 2) 3
196 Block Towers Categories Codeforces 8VC Venture Cup 2016 - Elimination Round 3
197 "Or" Game Categories Codeforces Codeforces Round #320 (Div. 1) [Bayan Thanks-Round] & Codeforces Round #320 (Div. 2) [Bayan Thanks-Round] 3
198 Sereja and Contests Categories Codeforces Codeforces Round #235 (Div. 2) 3
199 Lexicographically Maximum Subsequence Categories Codeforces Codeforces Round #124 (Div. 1) & Codeforces Round #124 (Div. 2) 3
200 Marina and Vasya Categories Codeforces Codeforces Round #324 (Div. 2) 3
201 School Marks Categories Codeforces Codeforces Round #301 (Div. 2) 3
202 Present Categories Codeforces Codeforces Round #262 (Div. 2) 3
203 New Reform Categories Codeforces Codeforces Round #346 (Div. 2) 3
204 Xenia and Weights Categories Codeforces Codeforces Round #197 (Div. 2) 3
205 Andrey and Problem Categories Codeforces Codeforces Round #253 (Div. 1) & Codeforces Round #253 (Div. 2) 3
206 Voting Categories Codeforces Codeforces Round #388 (Div. 2) 3
207 Ternary Logic Categories Codeforces Codeforces Beta Round #97 (Div. 2) 3
208 Secrets Categories Codeforces Codeforces Round #194 (Div. 1) & Codeforces Round #194 (Div. 2) 3
209 Vasya and the Bus Categories Codeforces Codeforces Round #120 (Div. 2) 3
210 Simple Strings Categories Codeforces Educational Codeforces Round 12 3
211 Milking cows Categories Codeforces Codeforces Round #225 (Div. 1) & Codeforces Round #225 (Div. 2) 3
212 Ilya and Sticks Categories Codeforces Codeforces Round #297 (Div. 2) 3
213 Dice Tower Categories Codeforces Codeforces Round #139 (Div. 2) 3
214 Pasha Maximizes Categories Codeforces Codeforces Round #249 (Div. 2) 3
215 Recycling Bottles Categories Codeforces Codeforces Round #352 (Div. 1) & Codeforces Round #352 (Div. 2) 3
216 Error Correct System Categories Codeforces Codeforces Round #296 (Div. 2) 3
217 Longest Regular Bracket Sequence Categories Codeforces Codeforces Beta Round #5 3
218 Karen and Game Categories Codeforces Codeforces Round #419 (Div. 1) & Codeforces Round #419 (Div. 2) 3
219 Snow Footprints Categories Codeforces Codeforces Round #180 (Div. 2) 3
220 Anya and Ghosts Categories Codeforces Codeforces Round #288 (Div. 2) 3
221 The Child and Set Categories Codeforces Codeforces Round #250 (Div. 2) 3
222 Co-prime Array Categories Codeforces Educational Codeforces Round 11 3
223 Memory and De-Evolution Categories Codeforces Codeforces Round #370 (Div. 2) 3
224 Petya and Inequiations Categories Codeforces Codeforces Beta Round #85 (Div. 1 Only) & Codeforces Beta Round #85 (Div. 2 Only) 3
225 Football Categories UVA 3
226 Mashmokh and Tokens Categories Codeforces Codeforces Round #240 (Div. 2) 3
227 Painting Fence Categories Codeforces Codeforces Round #256 (Div. 2) 3
228 Megacity Categories Codeforces Codeforces Round #242 (Div. 2) 3
229 Routine Problem Categories Codeforces Codeforces Round #196 (Div. 2) 3
230 Misha and Forest Categories Codeforces Codeforces Round #285 (Div. 2) & Codeforces Round #285 (Div. 1) 3
231 Nuts Categories Codeforces Codeforces Round #236 (Div. 2) 3
232 Color Stripe Categories Codeforces Codeforces Round #135 (Div. 2) 3
233 LLPS Categories Codeforces Codeforces Round #127 (Div. 2) 3
234 Maxim and Discounts Categories Codeforces Codeforces Round #160 (Div. 1) & Codeforces Round #160 (Div. 2) 3
235 Sockets Categories Codeforces Codeforces Round #159 (Div. 2) 3
236 Dress'em in Vests! Categories Codeforces VK Cup 2012 Round 1 3
237 Purification Categories Codeforces Codeforces Round #192 (Div. 1) & Codeforces Round #192 (Div. 2) 3
238 Guess a number! Categories Codeforces Codeforces Round #241 (Div. 2) 3
239 Treasure Categories Codeforces Codeforces Round #282 (Div. 1) & Codeforces Round #282 (Div. 2) 3
240 Om Nom and Dark Park Categories Codeforces ZeptoLab Code Rush 2015 3
241 Playing Cubes Categories Codeforces Codeforces Round #159 (Div. 2) 3
242 Quiz Categories Codeforces Codeforces Round #196 (Div. 2) & Codeforces Round #196 (Div. 1) 3
243 Bear and String Distance Categories Codeforces Educational Codeforces Round 8 3
244 Burglar and Matches Categories Codeforces Codeforces Beta Round #16 (Div. 2 Only) 3
245 Mike and gcd problem Categories Codeforces Codeforces Round #410 (Div. 2) 3
246 Photographer Categories Codeforces Codeforces Round #128 (Div. 2) 3
247 A Student's Dream Categories Codeforces Codeforces Beta Round #58 4
248 Hometask Categories Codeforces Codeforces Round #109 (Div. 1) & Codeforces Round #109 (Div. 2) 4
249 Mischievous Mess Makers Categories Codeforces CROC 2016 - Elimination Round 4
250 You're Given a String... Categories Codeforces Codeforces Beta Round #23 4
251 Lorry Categories Codeforces Codeforces Beta Round #3 4
252 Shaass and Bookshelf Categories Codeforces Codeforces Round #178 (Div. 2) 4
253 Jeff and Rounding Categories Codeforces Codeforces Round #204 (Div. 1) & Codeforces Round #204 (Div. 2) 4
254 Inna and Nine Categories Codeforces Codeforces Round #220 (Div. 2) 4
255 Well-known Numbers Categories Codeforces Codeforces Round #139 (Div. 2) 4
256 Cableway Categories Codeforces Codeforces Beta Round #74 (Div. 2 Only) 4
257 Troops of Sand Monsters Categories SPOJ 4
258 Rebus Categories Codeforces Codeforces Round #347 (Div. 1) & Codeforces Round #347 (Div. 2) 4
259 Subtraction Categories A2 Online Judge 4
260 DZY Loves Modification Categories Codeforces Codeforces Round #255 (Div. 1) & Codeforces Round #255 (Div. 2) 4
261 Xenia and Spies Categories Codeforces Codeforces Round #199 (Div. 2) 4
262 Robin Hood Categories Codeforces Codeforces Round #352 (Div. 1) & Codeforces Round #352 (Div. 2) 4
263 Make Palindrome Categories Codeforces Educational Codeforces Round 2 4
264 New Year Snowmen Categories Codeforces Codeforces Round #100 4
265 INVITATION FOR TECHOFES Categories SPOJ 4
266 Fish Weight Categories Codeforces Codeforces Round #180 (Div. 1) & Codeforces Round #180 (Div. 2) 4
267 MUH and House of Cards Categories Codeforces Codeforces Round #269 (Div. 2) 4
268 Little Elephant and Sorting Categories Codeforces Codeforces Round #129 (Div. 2) 4
269 Jersey Politics Categories PKU 4
270 Arthur and Table Categories Codeforces Codeforces Round #311 (Div. 2) 4
271 Paths and Trees Categories Codeforces Codeforces Round #303 (Div. 2) 4
272 Tavas and Malekas Categories Codeforces Codeforces Round #299 (Div. 2) & Codeforces Round #299 (Div. 1) 4
273 Magic, Wizardry and Wonders Categories Codeforces Codeforces Round #143 (Div. 2) 4
274 Toy Sum Categories Codeforces Codeforces Round #238 (Div. 2) & Codeforces Round #238 (Div. 1) 4
275 Zero Tree Categories Codeforces Codeforces Round #168 (Div. 1) & Codeforces Round #168 (Div. 2) 4
276 Tournament Categories Codeforces Codeforces Beta Round #27 (Codeforces format, Div. 2) 4
277 Hometask Categories Codeforces Codeforces Round #131 (Div. 2) 4
278 Amr and Chemistry Categories Codeforces Codeforces Round #312 (Div. 2) 4
279 Multitasking Categories Codeforces Codeforces Round #225 (Div. 2) 4
280 Game of the Rows Categories Codeforces Codeforces Round #428 (Div. 2) 4
281 Friends or Not Categories Codeforces VK Cup 2012 Qualification Round 2 4
282 Ciel the Commander Categories Codeforces Codeforces Round #190 (Div. 1) & Codeforces Round #190 (Div. 2) 4
283 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
284 Clique Problem Categories Codeforces Codeforces Round #296 (Div. 2) & Codeforces Round #296 (Div. 1) 4
285 Homework Categories Codeforces Codeforces Beta Round #79 (Div. 1 Only) & Codeforces Beta Round #79 (Div. 2 Only) 4
286 Bus Game Categories Codeforces Codeforces Beta Round #71 4
287 Poster Categories Codeforces Coder-Strike 2014 - Round 1 4
288 Growing Mushrooms Categories Codeforces Codeforces Round #118 (Div. 2) 4
289 Case of Fugitive Categories Codeforces Codeforces Round #310 (Div. 1) & Codeforces Round #310 (Div. 2) 4
290 Eternal Victory Categories Codeforces Codeforces Beta Round #57 (Div. 2) 4
291 Division into Teams Categories Codeforces Codeforces Round #106 (Div. 2) 4
292 Lucky Tickets Categories Codeforces Codeforces Beta Round #42 (Div. 2) 4
293 DZY Loves Physics Categories Codeforces Codeforces Round #254 (Div. 1) & Codeforces Round #254 (Div. 2) 4
294 Drazil and Tiles Categories Codeforces Codeforces Round #292 (Div. 2) & Codeforces Round #292 (Div. 1) 4
295 Special Task Categories Codeforces ABBYY Cup 3.0 4
296 Olympic Medal Categories Codeforces Codeforces Round #132 (Div. 2) 4
297 Binary Number Categories Codeforces Codeforces Beta Round #75 (Div. 2 Only) 4
298 K-Palindrome Categories A2 Online Judge 4
299 Two Sets Categories Codeforces Codeforces Round #268 (Div. 1) & Codeforces Round #268 (Div. 2) 4
300 Magical Boxes Categories Codeforces Codeforces Round #165 (Div. 1) & Codeforces Round #165 (Div. 2) 4
301 Garland Categories Codeforces Codeforces Round #398 (Div. 2) 4
302 Matchmaker Categories Codeforces VK Cup 2012 Qualification Round 2 4
303 GukiZ hates Boxes Categories Codeforces Codeforces Round #307 (Div. 2) 4
304 Dreamoon and Sets Categories Codeforces Codeforces Round #272 (Div. 2) & Codeforces Round #272 (Div. 1) 4
305 Feed with Candy Categories Codeforces Zepto Code Rush 2014 4
306 Two Semiknights Meet Categories Codeforces Codeforces Round #212 (Div. 2) 4
307 Money Transfers Categories Codeforces Codeforces Round #353 (Div. 2) 4
308 Paper Work Categories Codeforces CROC-MBTU 2012, Final Round (Online version, Div. 2) 4
309 Network Configuration Categories Codeforces Coder-Strike 2014 - Round 1 4
310 Guilty --- to the kitchen! Categories Codeforces Codeforces Beta Round #41 5
311 Permutations Categories Codeforces Codeforces Round #119 (Div. 1) & Codeforces Round #119 (Div. 2) 5
312 Discounts Categories Codeforces VK Cup 2012 Round 1 5
313 Handshakes Categories Codeforces Codeforces Round #298 (Div. 2) 5
314 Prime Swaps Categories Codeforces Codeforces Round #246 (Div. 2) 5
315 Petya's Exams Categories Codeforces Codeforces Round #481 (Div. 3) 5
316 Restaurant Categories Codeforces Testing Round #12 5
317 Points on Plane Categories Codeforces Codeforces Round #319 (Div. 1) & Codeforces Round #319 (Div. 2) 5
318 The Queue Categories Codeforces Codeforces Round #398 (Div. 2) 5
319 Om Nom and Candies Categories Codeforces ZeptoLab Code Rush 2015 5
320 Dungeons and Candies Categories Codeforces Zepto Code Rush 2014 5
321 Running with Obstacles Categories Codeforces VK Cup 2016 - Qualification Round 1 5
322 Hierarchy Categories Codeforces Codeforces Beta Round #17 5
323 Old Peykan Categories Codeforces Bayan 2012-2013 Elimination Round (ACM ICPC Rules, English statements) 5
324 Gourmet and Banquet Categories Codeforces 2015-2016 ACM-ICPC, NEERC, Southern Subregional Contest (Online Mirror, ACM-ICPC Rules, Teams Preferred) 5
325 Sums of Digits Categories Codeforces Codeforces Round #289 (Div. 2, ACM ICPC Rules) 5
326 Maxim and Array Categories Codeforces Codeforces Round #374 (Div. 2) 5
327 Fancy Number Categories Codeforces Codeforces Beta Round #89 (Div. 2) 5
328 Least Cost Bracket Sequence Categories Codeforces Codeforces Beta Round #3 5
329 Vasily the Bear and Sequence Categories Codeforces Codeforces Round #195 (Div. 2) 5
330 Jury Meeting Categories Codeforces Codeforces Round #433 (Div. 1, based on Olympiad of Metropolises) & Codeforces Round #433 (Div. 2, based on Olympiad of Metropolises) 5
331 Haar Features Categories Codeforces Looksery Cup 2015 5
332 Cartons of milk Categories Codeforces Codeforces Round #398 (Div. 2) 5
333 Dima and Hares Categories Codeforces Codeforces Round #208 (Div. 2) 5
334 Balls and Boxes Categories Codeforces Codeforces Round #158 (Div. 2) 5
335 Bets Categories Codeforces Codeforces Beta Round #63 (Div. 2) 5
336 Game with Points Categories SGU 5
337 Preparing for the Contest Categories Codeforces Codeforces Round #222 (Div. 1) & Codeforces Round #222 (Div. 2) 5
338 Bear and Tower of Cubes Categories Codeforces Codeforces Round #356 (Div. 1) & Codeforces Round #356 (Div. 2) 5
339 Board Game Categories Codeforces VK Cup 2015 - Round 2 (unofficial online mirror, Div. 1 only) 5
340 Name Quest Categories Codeforces VK Cup 2015 - Qualification Round 2 5
341 Unordered Subsequence Categories Codeforces Codeforces Beta Round #27 (Codeforces format, Div. 2) 5
342 Newspaper Headline Categories Codeforces Codeforces Beta Round #75 (Div. 1 Only) & Codeforces Beta Round #75 (Div. 2 Only) 5
343 Fedor and coupons Categories Codeforces Codeforces Round #390 (Div. 2) 5
344 Happy Line Categories Codeforces Looksery Cup 2015 5
345 Spiders Categories Codeforces School Regional Team Contest, Saratov, 2011 5
346 Ciel and Duel Categories Codeforces Codeforces Round #190 (Div. 1) & Codeforces Round #190 (Div. 2) 5
347 Beauty Pageant Categories Codeforces Codeforces Round #151 (Div. 2) 5
348 New Year Contest Categories Codeforces Codeforces Round #100 5
349 George and Number Categories Codeforces Codeforces Round #227 (Div. 2) 5
350 Hanoi Factory Categories Codeforces Codeforces Round #401 (Div. 2) 5
351 Replacing Digits Categories Codeforces VK Cup 2012 Round 2 (Unofficial Div. 2 Edition) 5
352 Terse princess Categories Codeforces Codeforces Round #105 (Div. 2) 5
353 Correcting Mistakes Categories Codeforces VK Cup 2015 - Round 2 (unofficial online mirror, Div. 1 only) 5
354 Running Track Categories Codeforces Codeforces Round #338 (Div. 2) 5
355 Two Heaps Categories Codeforces Codeforces Round #205 (Div. 2) 5
356 Chips Categories Codeforces Codeforces Round #194 (Div. 1) & Codeforces Round #194 (Div. 2) 5
357 Simple Subset Categories Codeforces Educational Codeforces Round 12 5
358 Parallel Programming Categories Codeforces Croc Champ 2013 - Qualification Round 5
359 Renting Bikes Categories Codeforces Codeforces Round #211 (Div. 2) 5
360 Read Time Categories Codeforces Codeforces Round #200 (Div. 1) & Codeforces Round #200 (Div. 2) 5
361 Queue Categories Codeforces Codeforces Round #101 (Div. 2) 5
362 Cycles Categories Codeforces Codeforces Round #144 (Div. 1) & Codeforces Round #144 (Div. 2) 5
363 An overnight dance in discotheque Categories Codeforces Codeforces Round #418 (Div. 2) 5
364 Minimization Categories Codeforces Codeforces Round #317 [AimFund Thanks-Round] (Div. 1) & Codeforces Round #317 [AimFund Thanks-Round] (Div. 2) 5
365 Square Earth? Categories Codeforces Codeforces Beta Round #53 5
366 Levko and Array Recovery Categories Codeforces Codeforces Round #210 (Div. 1) & Codeforces Round #210 (Div. 2) 5
367 Text Editor Categories Codeforces Codeforces Round #154 (Div. 2) 5
368 Restoring Table Categories Codeforces CROC-MBTU 2012, Elimination Round (ACM-ICPC) 5
369 What is for dinner? Categories Codeforces Codeforces Beta Round #33 (Codeforces format) 5
370 Lawnmower Categories Codeforces Codeforces Beta Round #87 (Div. 1 Only) & Codeforces Beta Round #87 (Div. 2 Only) 5
371 Wilbur and Points Categories Codeforces Codeforces Round #331 (Div. 2) 5
372 Weird Game Categories Codeforces Croc Champ 2013 - Round 2 5
373 Upgrading Array Categories Codeforces Codeforces Round #236 (Div. 2) & Codeforces Round #236 (Div. 1) 5
374 Help General Categories Codeforces Codeforces Round #102 (Div. 1) & Codeforces Round #102 (Div. 2) 5
375 Fox and Card Game Categories Codeforces Codeforces Round #228 (Div. 1) & Codeforces Round #228 (Div. 2) 5
376 Inna and Pink Pony Categories Codeforces Codeforces Round #220 (Div. 2) 5
377 Olympiad Categories Codeforces Codeforces Round #137 (Div. 2) 5
378 Main Sequence Categories Codeforces Codeforces Round #176 (Div. 1) & Codeforces Round #176 (Div. 2) 6
379 File List Categories Codeforces VK Cup 2012 Round 3 (Unofficial Div. 2 Edition) 6
380 Snakes Categories A2 Online Judge 6
381 Anagram Categories Codeforces Codeforces Round #155 (Div. 2) 6
382 Trees Categories Codeforces Codeforces Beta Round #54 (Div. 2) 6
383 New Year Cards Categories Codeforces Codeforces Round #100 6
384 Distributing Parts Categories Codeforces Codeforces Round #283 (Div. 2) 6
385 Ithea Plays With Chtholly Categories Codeforces Codeforces Round #449 (Div. 1) & Codeforces Round #449 (Div. 2) 6
386 Looksery Party Categories Codeforces Looksery Cup 2015 6
387 Sereja and the Arrangement of Numbers Categories Codeforces Codeforces Round #215 (Div. 1) & Codeforces Round #215 (Div. 2) 6
388 Hot Days Categories Codeforces Codeforces Round #132 (Div. 2) 6
389 Dima and Containers Categories Codeforces Codeforces Round #208 (Div. 2) 6
390 Sum Categories Codeforces Codeforces Round #159 (Div. 2) 6
391 Number Transformation II Categories Codeforces Codeforces Round #201 (Div. 1) & Codeforces Round #201 (Div. 2) 6
392 Train Passengers Categories A2 Online Judge 6
393 Police Patrol Categories Codeforces Codeforces Round #244 (Div. 2) 6
394 Movie Critics Categories Codeforces CROC-MBTU 2012, Final Round (Online version, Div. 2) 6
395 Zero-One Categories Codeforces Codeforces Beta Round #97 (Div. 1) & Codeforces Beta Round #97 (Div. 2) 6
396 Jeopardy! Categories Codeforces Coder-Strike 2014 - Round 2 6
397 Restoring Increasing Sequence Categories Codeforces Codeforces Round #279 (Div. 2) 6
398 The Elder Trolls IV: Oblivon Categories Codeforces Codeforces Beta Round #66 6
399 Ants in Leaves Categories Codeforces Educational Codeforces Round 7 6
400 Animals Categories Codeforces Codeforces Beta Round #35 (Div. 2) 6
401 LIS of Sequence Categories Codeforces Codeforces Round #277 (Div. 2) 6
402 Mittens Categories Codeforces Codeforces Round #217 (Div. 2) 6
403 Hiring Staff Categories Codeforces Codeforces Round #133 (Div. 2) 6
404 Vanya and Brackets Categories Codeforces Codeforces Round #308 (Div. 2) 6
405 Company Income Growth Categories Codeforces School Team Contest #1 (Winter Computer School 2010/11) 6
406 Beautiful Decomposition Categories Codeforces Codeforces Round #171 (Div. 2) 6
407 Dispute Categories Codeforces Codeforces Round #149 (Div. 2) 6
408 Naughty Stone Piles Categories Codeforces Codeforces Round #140 (Div. 1) & Codeforces Round #140 (Div. 2) 6
409 Game Categories Codeforces Codeforces Round #131 (Div. 1) & Codeforces Round #131 (Div. 2) 6
410 Kindergarten Categories Codeforces Codeforces Round #276 (Div. 1) 6
411 Fishing Soldier Categories A2 Online Judge 6
412 Table Compression Categories Codeforces Codeforces Round #345 (Div. 1) & Codeforces Round #345 (Div. 2) 6
413 Array GCD Categories Codeforces AIM Tech Round (Div. 1) & AIM Tech Round (Div. 2) 6
414 Compartments Categories Codeforces Codeforces Round #207 (Div. 1) & Codeforces Round #207 (Div. 2) 6
415 Cunning Gena Categories Codeforces RCC 2014 Warmup (Div. 2) & RCC 2014 Warmup (Div. 1) 6
416 Anton and Ira Categories Codeforces Codeforces Round #324 (Div. 2) 6
417 Text Messaging Categories Codeforces Codeforces Beta Round #64 6
418 3-cycles Categories Codeforces Codeforces Beta Round #40 (Div. 2) 6
419 Artem and Array Categories Codeforces Codeforces Round #253 (Div. 1) 6
420 ???? ?? ?????? - 2 (round version) Categories Codeforces VK Cup 2015 - Round 1 6
421 Game with Coins Categories Codeforces CROC-MBTU 2012, Elimination Round (ACM-ICPC) 6
422 Washer, Dryer, Folder Categories Codeforces MemSQL Start[c]UP 2.0 - Round 1 6
423 Below the Diagonal Categories Codeforces Codeforces Round #163 (Div. 2) 6
424 Harry Potter and the History of Magic Categories Codeforces Codeforces Beta Round #60 6
425 Brackets in Implications Categories Codeforces Codeforces Round #306 (Div. 2) 6
426 Arthur and Walls Categories Codeforces Codeforces Round #297 (Div. 2) 6
427 Trading Business Categories Codeforces Croc Champ 2012 - Round 2 6
428 Cubes Categories Codeforces Codeforces Round #295 (Div. 2) & Codeforces Round #295 (Div. 1) 6
429 Trains and Statistic Categories Codeforces Codeforces Round #353 (Div. 2) 6
430 Arthur and Brackets Categories Codeforces Codeforces Round #288 (Div. 2) 6
431 Wonderful Randomized Sum Categories Codeforces Codeforces Beta Round #33 (Codeforces format) 6
432 Robbery Categories Codeforces Codeforces Beta Round #74 (Div. 1 Only) & Codeforces Beta Round #74 (Div. 2 Only) 6
433 International Olympiad Categories Codeforces CROC 2016 - Final Round [Private, For Onsite Finalists Only] 6
434 Segments Categories Codeforces Codeforces Beta Round #22 (Div. 2 Only) 6
435 Towers Categories Codeforces Codeforces Round #142 (Div. 1) 6
436 Invariance of Tree Categories Codeforces Codeforces Round #319 (Div. 1) & Codeforces Round #319 (Div. 2) 6
437 Banana Categories Codeforces MemSQL start[c]up Round 2 - online version 6
438 Train Categories Codeforces Codeforces Beta Round #68 6
439 Permutations Categories Codeforces School Personal Contest #3 (Winter Computer School 2010/11) - Codeforces Beta Round #45 (ACM-ICPC Rules) 6
440 Divide and conquer Categories SGU 6
441 Partial Teacher Categories Codeforces Manthan 2011 6
442 Sereja and Table Categories Codeforces Codeforces Round #243 (Div. 1) 6
443 Beaver Categories Codeforces Codeforces Beta Round #71 6
444 Change-free Categories Codeforces Codeforces Round #398 (Div. 2) 7
445 Educational Game Categories Codeforces ABBYY Cup 2.0 - Hard 7
446 Dima and Horses Categories Codeforces Codeforces Round #167 (Div. 2) & Codeforces Round #167 (Div. 1) 7
447 Arthur and Questions Categories Codeforces Codeforces Round #293 (Div. 2) 7
448 End of Exams Categories Codeforces Codeforces Beta Round #76 (Div. 1 Only) & Codeforces Beta Round #76 (Div. 2 Only) 7
449 Restoration of the Permutation Categories Codeforces Manthan 2011 7
450 Zebra Tower Categories Codeforces VK Cup 2012 Qualification Round 2 7
451 Hobbits' Party Categories Codeforces Codeforces Testing Round #2 7
452 Chicken or Fish? Categories Codeforces VK Cup 2015 - Qualification Round 1 7
453 Fools and Foolproof Roads Categories Codeforces Codeforces Round #212 (Div. 2) 7
454 Geometry Horse Categories Codeforces Codeforces Round #115 7
455 Event Dates Categories Codeforces School Team Contest #3 (Winter Computer School 2010/11) 7
456 Intellectual Inquiry Categories Codeforces CROC 2016 - Elimination Round 7
457 Educational Game Categories Codeforces ABBYY Cup 2.0 - Hard 7
458 Hamiltonian Cycle Categories Live Archive 1997 Latin America - South America 7
459 Population Size Categories Codeforces Codeforces Round #241 (Div. 2) 7
460 Plus and xor Categories Codeforces All-Ukrainian School Olympiad in Informatics 7
461 Lucky Numbers Categories Codeforces Codeforces Beta Round #77 (Div. 1 Only) 7
462 Road Improvement Categories Codeforces VK Cup 2016 - Qualification Round 2 7
463 Boring Partition Categories Codeforces Codeforces Round #148 (Div. 1) & Codeforces Round #148 (Div. 2) 7
464 Seller Bob Categories Codeforces Codeforces Beta Round #18 (Div. 2 Only) 7
465 New Year and Three Musketeers Categories Codeforces Good Bye 2015 7
466 Jeff and Permutation Categories Codeforces Codeforces Round #204 (Div. 1) 7
467 Guess the Tree Categories Codeforces Codeforces Round #245 (Div. 1) & Codeforces Round #245 (Div. 2) 7
468 Russian Roulette Categories Codeforces Codeforces Beta Round #80 (Div. 1 Only) & Codeforces Beta Round #80 (Div. 2 Only) 7
469 Big Maximum Sum Categories Codeforces Codeforces Beta Round #67 (Div. 2) 7
470 Computer Game Categories Codeforces Codeforces Beta Round #37 7
471 World Eater Brothers Categories Codeforces Codeforces Round #148 (Div. 1) & Codeforces Round #148 (Div. 2) 7
472 Beavermuncher-0xFF Categories Codeforces Codeforces Beta Round #69 (Div. 1 Only) & Codeforces Beta Round #69 (Div. 2 Only) 7
473 Black and White Tree Categories Codeforces Codeforces Round #158 (Div. 2) 7
474 Nudist Beach Categories Codeforces Codeforces Round #309 (Div. 1) 7
475 Three Base Stations Categories Codeforces Codeforces Beta Round #48 7
476 Quest Categories Codeforces VK Cup 2015 - Round 3 (unofficial online mirror, Div. 1 only) 7
477 Sheldon and Ice Pieces Categories Codeforces Testing Round #8 7
478 Bear and Contribution Categories Codeforces VK Cup 2016 - Round 1 7
479 The table Categories Codeforces Codeforces Round #140 (Div. 1) 7
480 Bulbo Categories Codeforces Bubble Cup 8 - Finals [Online Mirror] 7
481 Demonstration Categories Codeforces Codeforces Round #121 (Div. 1) & Codeforces Round #121 (Div. 2) 7
482 TCMCF+++ Categories Codeforces School Team Contest #3 (Winter Computer School 2010/11) 7
483 Number Transformation Categories Codeforces Codeforces Round #153 (Div. 1) & Codeforces Round #153 (Div. 2) 7
484 Special Grid Categories Codeforces Codeforces Round #249 (Div. 2) 7
485 Old Berland Language Categories Codeforces Codeforces Beta Round #37 7
486 Package Delivery Categories Codeforces 8VC Venture Cup 2016 - Final Round 7
487 Kamal-ol-molk's Painting Categories Codeforces Bayan 2015 Contest Warm Up 7
488 Lovely Matrix Categories Codeforces Codeforces Round #168 (Div. 1) 7
489 Social Network Categories Codeforces VK Cup 2015 - Round 1 7
490 Range Increments Categories Codeforces VK Cup 2012 Round 3 (Unofficial Div. 2 Edition) 7
491 Digits Permutations Categories Codeforces Codeforces Beta Round #99 (Div. 1) & Codeforces Beta Round #99 (Div. 2) 7
492 Ant Man Categories Codeforces Codeforces Round #366 (Div. 1) & Codeforces Round #366 (Div. 2) 7
493 Free Market Categories Codeforces Codeforces Round #213 (Div. 1) & Codeforces Round #213 (Div. 2) 7
494 Distributed Join Categories Codeforces MemSQL Start[c]UP 2.0 - Round 2 7
495 Group Photo 2 (online mirror version) Categories Codeforces VK Cup 2015 - Round 1 (unofficial online mirror, Div. 1 only) 7
496 Students' Revenge Categories Codeforces Codeforces Round #193 (Div. 2) 7
497 Triminoes Categories Codeforces School Team Contest #2 (Winter Computer School 2010/11) 8
498 Dominoes Categories Codeforces Codeforces Round #231 (Div. 2) 8
499 Hamming Distance Categories Codeforces Codeforces Round #122 (Div. 1) & Codeforces Round #122 (Div. 2) 8
500 New Language Categories Codeforces Codeforces Round #315 (Div. 1) & Codeforces Round #315 (Div. 2) 8
501 Optimal Sum Categories Codeforces Codeforces Round #117 (Div. 2) 8
502 Maze 1D Categories Codeforces Codeforces Round #237 (Div. 2) 8
503 Competition Categories Codeforces Codeforces Round #103 (Div. 2) 8
504 C*++ Calculations Categories Codeforces School Team Contest #1 (Winter Computer School 2010/11) 8
505 T-decomposition Categories Codeforces Codeforces Round #147 (Div. 2) 8
506 Polycarp's Picture Gallery Categories Codeforces Yandex.Algorithm Open 2011 Qualification 1 8
507 Memory for Arrays Categories Codeforces Croc Champ 2013 - Finals (online version, Div. 1) 8
508 Trails and Glades Categories Codeforces VK Cup 2012 Finals, Practice Session 8
509 Square Tiling Categories Codeforces Codeforces Round #246 (Div. 2) 8
510 Cardboard Box Categories Codeforces Zepto Code Rush 2014 8
511 Mashmokh and Water Tanks Categories Codeforces Codeforces Round #240 (Div. 1) 8
512 Need For Brake Categories Codeforces Codeforces Beta Round #66 8
513 Calendar Categories Codeforces Codeforces Beta Round #54 (Div. 2) 8
514 Alex and Complicated Task Categories Codeforces Codeforces Round #267 (Div. 2) 8
515 Director Categories Codeforces School Team Contest #3 (Winter Computer School 2010/11) 8
516 LCS Again Categories Codeforces Codeforces Round #320 (Div. 1) [Bayan Thanks-Round] & Codeforces Round #320 (Div. 2) [Bayan Thanks-Round] 8
517 Factorial Categories Codeforces Unknown Language Round #1 8
518 Team Arrangement Categories Codeforces Codeforces Beta Round #55 (Div. 2) 8
519 E-reader Display Categories Codeforces Codeforces Beta Round #93 (Div. 1 Only) & Codeforces Beta Round #93 (Div. 2 Only) 8
520 Deletion of Repeats Categories Codeforces Codeforces Beta Round #19 8
521 Three Swaps Categories Codeforces Codeforces Round #197 (Div. 2) 8
522 Tricky and Clever Password Categories Codeforces Codeforces Beta Round #30 (Codeforces format) 8
523 Ilya and Two Numbers Categories Codeforces Codeforces Round #186 (Div. 2) 8
524 FreeDiv Categories Codeforces Codeforces Beta Round #66 8
525 Bags and Coins Categories Codeforces Codeforces Round #207 (Div. 1) 8
526 Sweets for Everyone! Categories Codeforces Codeforces Round #152 (Div. 2) & Codeforces Round #152 (Div. 1) 8
527 Constants in the language of Shakespeare Categories Codeforces Codeforces Beta Round #96 (Div. 1) 8
528 Antichain Categories Codeforces Codeforces Round #205 (Div. 2) 8
529 Roads in Yusland Categories Codeforces Codeforces Round #352 (Div. 1) 8
530 Name Categories Codeforces Codeforces Round #116 (Div. 2, ACM-ICPC Rules) 8
531 Shop Categories Codeforces Codeforces Round #295 (Div. 1) 8
532 Merging Two Decks Categories Codeforces Codeforces Round #145 (Div. 2, ACM-ICPC Rules) & Codeforces Round #145 (Div. 1, ACM-ICPC Rules) 8
533 Brackets Categories Codeforces Codeforces Beta Round #92 (Div. 1 Only) & Codeforces Beta Round #92 (Div. 2 Only) 8
534 Swaps Categories Codeforces Codeforces Testing Round #3 8
535 Castle Categories Codeforces Codeforces Beta Round #79 (Div. 1 Only) 8
536 CNF 2 Categories Codeforces Codeforces Round #317 [AimFund Thanks-Round] (Div. 1) & Codeforces Round #317 [AimFund Thanks-Round] (Div. 2) 8
537 Beaver's Calculator 1.0 Categories Codeforces Abbyy Cup 2.0 - Final (unofficial) 9
538 Levko and Game Categories Codeforces Codeforces Round #210 (Div. 1) 9
539 Have You Ever Heard About the Word? Categories Codeforces Codeforces Round #189 (Div. 1) 9
540 Mice Categories Codeforces All-Ukrainian School Olympiad in Informatics 9
541 Huffman Coding on Segment Categories Codeforces Codeforces Round #364 (Div. 1) 9
542 Transportation Categories Codeforces Codeforces Round #128 (Div. 2) 9
543 Binary Key Categories Codeforces Codeforces Round #193 (Div. 2) 9
544 Table Categories Codeforces Unknown Language Round #1 9
545 Berland Local Positioning System Categories Codeforces Codeforces Round #298 (Div. 2) 9
546 T-shirt Categories Codeforces Croc Champ 2012 - Final 9
547 The Red Button Categories Codeforces MemSQL start[c]up Round 1 9
548 Shoe Store Categories Codeforces Codeforces Round #113 (Div. 2) 9
549 Two progressions Categories Codeforces Codeforces Testing Round #2 9
550 King's Problem? Categories Codeforces Codeforces Beta Round #30 (Codeforces format) 9
551 Track Categories Codeforces Codeforces Beta Round #72 (Div. 1 Only) & Codeforces Beta Round #72 (Div. 2 Only) 9
552 New York Hotel Categories Codeforces Testing Round #11 9
553 Power Defence Categories Codeforces Codeforces Round #115 9
554 Presents Categories Codeforces Unknown Language Round #1 9
555 Raffles Categories Codeforces 8VC Venture Cup 2016 - Elimination Round 9
556 The Next Good String Categories Codeforces Codeforces Round #124 (Div. 1) 9
557 Beaver's Calculator 1.0 Categories Codeforces Abbyy Cup 2.0 - Final (unofficial) 9
558 Tetris revisited Categories Codeforces Yandex.Algorithm 2011 Round 2 9
559 Ever-Hungry Krakozyabra Categories Codeforces Codeforces Round #426 (Div. 1) & Codeforces Round #426 (Div. 2) 9
560 Grocer's Problem Categories Codeforces Codeforces Beta Round #75 (Div. 1 Only) 9
561 Walking! Categories Codeforces Codeforces Round #320 (Div. 1) [Bayan Thanks-Round] 9
562 Birthday Categories Codeforces AIM Tech Round (Div. 1) 9
563 Luck is in Numbers Categories Codeforces School Regional Team Contest, Saratov, 2011 9
564 Beaver's Calculator 1.0 Categories Codeforces Abbyy Cup 2.0 - Final (unofficial) 9
565 Deputies Categories Codeforces Croc Champ 2012 - Round 1 9
566 Bear and Paradox Categories Codeforces VK Cup 2016 - Round 1 9
567 Candies Game Categories Codeforces Codeforces Round #198 (Div. 1) 9
568 Metro Scheme Categories Codeforces Codeforces Round #121 (Div. 1) 9
569 Replicating Processes Categories Codeforces VK Cup 2015 - Finals, online mirror 9
570 Pumping Stations Categories Codeforces Codeforces Round #200 (Div. 1) 9
571 Mr. Kitayuta vs. Bamboos Categories Codeforces Codeforces Round #286 (Div. 2) & Codeforces Round #286 (Div. 1) 9
572 Ciel and Flipboard Categories Codeforces Codeforces Round #190 (Div. 1) 9
573 Trial for Chief Categories Codeforces Codeforces Beta Round #37 9
574 Optimizer Categories Codeforces Testing Round #6 9
575 Road Repairs Categories Codeforces Codeforces Round #145 (Div. 1, ACM-ICPC Rules) 9
576 Fire and Ice Categories Codeforces Codeforces Beta Round #74 (Div. 1 Only) 10
577 Oil Categories Codeforces Unknown Language Round #2 10
578 To Hack or not to Hack Categories Codeforces CROC 2016 - Final Round [Private, For Onsite Finalists Only] 10
579 Frog Fights Categories Codeforces Codeforces Round #342 (Div. 2) 10
580 Buy One, Get One Free Categories Codeforces MemSQL start[c]up Round 2 - online version 10
581 Summer Dichotomy Categories Codeforces Codeforces Round #300 10
582 An easy problem about trees Categories Codeforces MemSQL Start[c]UP 2.0 - Round 2 10
583 Snow sellers Categories Codeforces School Personal Contest #3 (Winter Computer School 2010/11) - Codeforces Beta Round #45 (ACM-ICPC Rules) 10
584 Berland Miners Categories Codeforces VK Cup 2015 - Round 2 (unofficial online mirror, Div. 1 only) 10
585 Goats and Wolves Categories Codeforces School Team Contest #3 (Winter Computer School 2010/11) 10
586 Heaven Tour Categories Codeforces Codeforces Round #119 (Div. 1) 10
587 Spiders Evil Plan Categories Codeforces ZeptoLab Code Rush 2015 10
588 Agricultural Archaeology Categories Codeforces 2015-2016 ACM-ICPC, NEERC, Southern Subregional Contest (Online Mirror, ACM-ICPC Rules, Teams Preferred) 10
589 Bear and Bowling Categories Codeforces Codeforces Round #318 [RussianCodeCup Thanks-Round] (Div. 1) 10
590 Sheep Categories Codeforces Croc Champ 2013 - Finals (online version, Div. 1) 10
591 Chess Championship Categories Codeforces Codeforces Round #382 (Div. 1) 10
592 Greedy Petya Categories Codeforces April Fools Day Contest 2013 10
593 Summer Reading Categories Codeforces Codeforces Round #217 (Div. 2) 10
594 Interval Coloring Categories Codeforces Unknown Language Round #3 10
595 Candy Shop Categories Codeforces Croc Champ 2012 - Final 10
596 Organizing a Race Categories Codeforces Codeforces Round #352 (Div. 1) 10
597 The Tournament Categories Codeforces Rockethon 2014 10
598 Dynamic Programming Categories A2 Online Judge 10
599 Forward, march! Categories Codeforces Codeforces Beta Round #11 10
600 Goshtasp, Vishtasp and Eidi Categories Codeforces Unknown Language Round #2 10
601 Stock Trading Categories Codeforces Rockethon 2014 10
602 Kojiro and Furrari Categories Codeforces Codeforces Round #322 (Div. 2) 10
603 Restore the Tree Categories Codeforces Codeforces Round #440 (Div. 1, based on Technocup 2018 Elimination Round 2) 10