Greedy

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