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