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