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Codeforces Div. 2 - D Problems problems
Problem Name Online Judge Year Contest Difficulty Level
1 Xenia and Bit Operations Categories Codeforces Codeforces Round #197 (Div. 2) 1
2 Coffee Central Categories Live Archive 2011 World Finals - Orlando 1
3 Tetrahedron Categories Codeforces Codeforces Round #113 (Div. 2) 1
4 Queue Categories Codeforces Codeforces Round #303 (Div. 2) 1
5 Flowers Categories Codeforces Codeforces Round #271 (Div. 2) 1
6 Longest Common Subsequence Categories UVA 1
7 Mashmokh and ACM Categories Codeforces Codeforces Round #240 (Div. 1) & Codeforces Round #240 (Div. 2) 1
8 Dima and Lisa Categories Codeforces Codeforces Round #324 (Div. 2) 2
9 Vasya and Chess Categories Codeforces Codeforces Round #281 (Div. 2) 2
10 Prizes, Prizes, more Prizes Categories Codeforces Codeforces Round #130 (Div. 2) 2
11 Soldier and Number Game Categories Codeforces Codeforces Round #304 (Div. 2) 2
12 Equivalent Strings Categories Codeforces Codeforces Round #313 (Div. 1) & Codeforces Round #313 (Div. 2) 2
13 Magic Powder - 2 Categories Codeforces Codeforces Round #350 (Div. 2) 2
14 Alternating Current Categories Codeforces Codeforces Round #200 (Div. 1) & Codeforces Round #200 (Div. 2) 2
15 String Game Categories Codeforces Codeforces Round #402 (Div. 1) & Codeforces Round #402 (Div. 2) 2
16 Magic Powder - 1 Categories Codeforces Codeforces Round #350 (Div. 2) 2
17 Multiplication Table Categories Codeforces Codeforces Round #256 (Div. 2) 2
18 Taxes Categories Codeforces Codeforces Round #382 (Div. 2) & Codeforces Round #382 (Div. 1) 2
19 Minimum number of steps Categories Codeforces Codeforces Round #411 (Div. 1) & Codeforces Round #411 (Div. 2) 2
20 Caesar's Legions Categories Codeforces Codeforces Beta Round #89 (Div. 2) 2
21 Password Categories Codeforces Codeforces Beta Round #93 (Div. 1 Only) & Codeforces Beta Round #93 (Div. 2 Only) 2
22 Biridian Forest Categories Codeforces Codeforces Round #192 (Div. 1) & Codeforces Round #192 (Div. 2) 3
23 Mike and Feet Categories Codeforces Codeforces Round #305 (Div. 1) & Codeforces Round #305 (Div. 2) 3
24 Choosing Capital for Treeland Categories Codeforces Codeforces Round #135 (Div. 2) 3
25 Long Path Categories Codeforces Codeforces Round #239 (Div. 1) & Codeforces Round #239 (Div. 2) 3
26 Andrey and Problem Categories Codeforces Codeforces Round #253 (Div. 1) & Codeforces Round #253 (Div. 2) 3
27 Lakes in Berland Categories Codeforces Codeforces Round #375 (Div. 2) 3
28 Love Rescue Categories Codeforces Codeforces Round #464 (Div. 2) 3
29 Bear and Blocks Categories Codeforces Codeforces Round #318 [RussianCodeCup Thanks-Round] (Div. 1) & Codeforces Round #318 [RussianCodeCup Thanks-Round] (Div. 2) 3
30 Maximum Value Categories Codeforces Codeforces Round #276 (Div. 1) & Codeforces Round #276 (Div. 2) 3
31 Good Sequences Categories Codeforces Codeforces Round #162 (Div. 1) & Codeforces Round #162 (Div. 2) 3
32 Anton and Chess Categories Codeforces Codeforces Round #379 (Div. 2) 3
33 A and B and Interesting Substrings Categories Codeforces Codeforces Round #294 (Div. 2) 3
34 Bicycle Race Categories Codeforces Codeforces Round #346 (Div. 2) 3
35 Zuma Categories Codeforces Codeforces Round #336 (Div. 1) & Codeforces Round #336 (Div. 2) 3
36 Mysterious Present Categories Codeforces Codeforces Beta Round #4 (Div. 2 Only) 3
37 Pashmak and Parmida's problem Categories Codeforces Codeforces Round #261 (Div. 2) 3
38 Arpa's weak amphitheater and Mehrdad's valuable Hoses Categories Codeforces Codeforces Round #383 (Div. 1) & Codeforces Round #383 (Div. 2) 3
39 Good Substrings Categories Codeforces Codeforces Round #166 (Div. 2) 3
40 Interesting Array Categories Codeforces Codeforces Round #275 (Div. 1) & Codeforces Round #275 (Div. 2) 3
41 Kostya the Sculptor Categories Codeforces Codeforces Round #378 (Div. 2) 3
42 Ilya and Escalator Categories Codeforces Codeforces Round #293 (Div. 2) 3
43 Fix a Tree Categories Codeforces Codeforces Round #363 (Div. 1) & Codeforces Round #363 (Div. 2) 3
44 Cloud of Hashtags Categories Codeforces Codeforces Round #401 (Div. 2) 3
45 Kefa and Dishes Categories Codeforces Codeforces Round #321 (Div. 2) 3
46 Polyline Categories Codeforces Codeforces Round #340 (Div. 2) 3
47 Greenhouse Effect Categories Codeforces Codeforces Round #165 (Div. 1) & Codeforces Round #165 (Div. 2) 3
48 Vasiliy's Multiset Categories Codeforces Codeforces Round #367 (Div. 2) 3
49 Colorful Graph Categories Codeforces Codeforces Round #151 (Div. 2) 3
50 Long Jumps Categories Codeforces Codeforces Round #274 (Div. 2) & Codeforces Round #274 (Div. 1) 3
51 Gargari and Permutations Categories Codeforces Codeforces Round #264 (Div. 2) 3
52 Sorting the Coins Categories Codeforces Codeforces Round #441 (Div. 1, by Moscow Team Olympiad) & Codeforces Round #441 (Div. 2, by Moscow Team Olympiad) 3
53 Exams Categories Codeforces Codeforces Round #377 (Div. 2) 3
54 Little Girl and Maximum XOR Categories Codeforces Codeforces Round #169 (Div. 2) 3
55 Make a Permutation! Categories Codeforces Codeforces Round #436 (Div. 2) 3
56 Green and Black Tea Categories Codeforces Codeforces Round #386 (Div. 2) 3
57 Common Divisors Categories Codeforces Codeforces Round #117 (Div. 2) 3
58 Greg and Graph Categories Codeforces Codeforces Round #179 (Div. 1) & Codeforces Round #179 (Div. 2) 3
59 Bubble Sort Graph Categories Codeforces Codeforces Round #198 (Div. 2) & Codeforces Round #198 (Div. 1) 3
60 Little Elephant and Array Categories Codeforces Codeforces Round #136 (Div. 1) & Codeforces Round #136 (Div. 2) 3
61 "Or" Game Categories Codeforces Codeforces Round #320 (Div. 1) [Bayan Thanks-Round] & Codeforces Round #320 (Div. 2) [Bayan Thanks-Round] 3
62 Unbearable Controversy of Being Categories Codeforces Codeforces Round #277.5 (Div. 2) 3
63 Working out Categories Codeforces Codeforces Round #245 (Div. 1) & Codeforces Round #245 (Div. 2) 3
64 Quantity of Strings Categories Codeforces Codeforces Round #107 (Div. 1) & Codeforces Round #107 (Div. 2) 4
65 Red-Green Towers Categories Codeforces Codeforces Round #273 (Div. 2) 4
66 Appleman and Tree Categories Codeforces Codeforces Round #263 (Div. 1) & Codeforces Round #263 (Div. 2) 4
67 Roads not only in Berland Categories Codeforces Codeforces Beta Round #25 (Div. 2 Only) 4
68 One-Dimensional Battle Ships Categories Codeforces Codeforces Round #Pi (Div. 2) 4
69 Maximum Submatrix 2 Categories Codeforces Codeforces Round #221 (Div. 1) & Codeforces Round #221 (Div. 2) 4
70 Babaei and Birthday Cake Categories Codeforces Codeforces Round #343 (Div. 2) 4
71 Zero Tree Categories Codeforces Codeforces Round #168 (Div. 1) & Codeforces Round #168 (Div. 2) 4
72 Weird Chess Categories Codeforces Codeforces Round #300 4
73 Fox And Jumping Categories Codeforces Codeforces Round #290 (Div. 2) & Codeforces Round #290 (Div. 1) 4
74 Bear and Two Paths Categories Codeforces VK Cup 2016 - Round 3 4
75 Remainders Game Categories Codeforces Codeforces Round #360 (Div. 1) & Codeforces Round #360 (Div. 2) 4
76 Two Sets Categories Codeforces Codeforces Round #268 (Div. 1) & Codeforces Round #268 (Div. 2) 4
77 Count Good Substrings Categories Codeforces Codeforces Round #258 (Div. 2) 4
78 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
79 Sea Battle Categories Codeforces Technocup 2017 - Elimination Round 2 4
80 Innokenty and a Football League Categories Codeforces ?????????? 2017 - ????? (?????? ??? ??????-??????????) 4
81 Dreamoon and Sets Categories Codeforces Codeforces Round #272 (Div. 2) & Codeforces Round #272 (Div. 1) 4
82 Spongebob and Squares Categories Codeforces Codeforces Round #332 (Div. 2) 4
83 Polo the Penguin and Houses Categories Codeforces Codeforces Round #177 (Div. 1) 4
84 Vanya and Computer Game Categories Codeforces Codeforces Round #280 (Div. 2) 4
85 Toy Sum Categories Codeforces Codeforces Round #238 (Div. 2) & Codeforces Round #238 (Div. 1) 4
86 Tavas and Malekas Categories Codeforces Codeforces Round #299 (Div. 2) & Codeforces Round #299 (Div. 1) 4
87 Book of Evil Categories Codeforces Codeforces Round #196 (Div. 2) & Codeforces Round #196 (Div. 1) 4
88 Magic Box Categories Codeforces Codeforces Round #143 (Div. 2) 4
89 Vanya and Triangles Categories Codeforces Codeforces Round #308 (Div. 2) 4
90 Volatile Kite Categories Codeforces VK Cup 2017 - Round 2 4
91 Directed Roads Categories Codeforces Codeforces Round #369 (Div. 2) 4
92 Jzzhu and Cities Categories Codeforces Codeforces Round #257 (Div. 1) & Codeforces Round #257 (Div. 2) 4
93 Little Elephant and Cards Categories Codeforces Codeforces Round #129 (Div. 1) & Codeforces Round #129 (Div. 2) 4
94 Road Map Categories Codeforces Codeforces Beta Round #34 (Div. 2) 4
95 As Fast As Possible Categories Codeforces Codeforces Round #364 (Div. 1) & Codeforces Round #364 (Div. 2) 4
96 Subway Categories Codeforces Codeforces Beta Round #95 (Div. 2) 4
97 Three Logos Categories Codeforces Codeforces Round #322 (Div. 2) 4
98 Bag of mice Categories Codeforces Codeforces Round #105 (Div. 2) 4
99 Pair of Numbers Categories Codeforces Codeforces Round #209 (Div. 2) 4
100 Vessels Categories Codeforces Codeforces Round #218 (Div. 2) 4
101 Planets Categories Codeforces Codeforces Round #142 (Div. 1) & Codeforces Round #142 (Div. 2) 4
102 Colliders Categories Codeforces Codeforces Round #109 (Div. 1) & Codeforces Round #109 (Div. 2) 4
103 Eternal Victory Categories Codeforces Codeforces Beta Round #57 (Div. 2) 4
104 Fish Weight Categories Codeforces Codeforces Round #180 (Div. 1) & Codeforces Round #180 (Div. 2) 4
105 Tennis Game Categories Codeforces Codeforces Round #283 (Div. 2) & Codeforces Round #283 (Div. 1) 4
106 Travel Card Categories Codeforces 8VC Venture Cup 2017 - Final Round 4
107 Image Preview Categories Codeforces Codeforces Round #345 (Div. 1) & Codeforces Round #345 (Div. 2) 4
108 Lazy Student Categories Codeforces Codeforces Round #335 (Div. 1) & Codeforces Round #335 (Div. 2) 4
109 Petya and Divisors Categories Codeforces Codeforces Beta Round #85 (Div. 1 Only) & Codeforces Beta Round #85 (Div. 2 Only) 4
110 Devu and his Brother Categories Codeforces Codeforces Round #251 (Div. 2) 4
111 Queue Categories Codeforces Codeforces Beta Round #75 (Div. 1 Only) & Codeforces Beta Round #75 (Div. 2 Only) 4
112 Destroying Roads Categories Codeforces Codeforces Round #302 (Div. 1) & Codeforces Round #302 (Div. 2) 4
113 Psychos in a Line Categories Codeforces Codeforces Round #189 (Div. 1) & Codeforces Round #189 (Div. 2) 4
114 Tree Construction Categories Codeforces Codeforces Round #353 (Div. 2) 4
115 A Lot of Games Categories Codeforces Codeforces Round #260 (Div. 1) & Codeforces Round #260 (Div. 2) 4
116 Design Tutorial: Inverse the Problem Categories Codeforces Codeforces Round #270 4
117 Alarm Clock Categories Codeforces Codeforces Round #451 (Div. 2) 4
118 My pretty girl Noora Categories Codeforces Codeforces Round #422 (Div. 2) 4
119 Chloe and pleasant prizes Categories Codeforces Codeforces Round #384 (Div. 2) 4
120 Prefixes and Suffixes Categories Codeforces Codeforces Round #246 (Div. 2) 4
121 DZY Loves Modification Categories Codeforces Codeforces Round #255 (Div. 1) & Codeforces Round #255 (Div. 2) 4
122 Tree Requests Categories Codeforces Codeforces Round #316 (Div. 2) 4
123 Regular Bridge Categories Codeforces Codeforces Round #306 (Div. 2) 4
124 Phillip and Trains Categories Codeforces Codeforces Round #325 (Div. 1) & Codeforces Round #325 (Div. 2) 4
125 Dasha and Very Difficult Problem Categories Codeforces Codeforces Round #394 (Div. 2) 4
126 Palindrome pairs Categories Codeforces VK Cup 2012 Qualification Round 2 4
127 Drazil and Tiles Categories Codeforces Codeforces Round #292 (Div. 2) & Codeforces Round #292 (Div. 1) 4
128 The Child and Zoo Categories Codeforces Codeforces Round #250 (Div. 2) & Codeforces Round #250 (Div. 1) 4
129 Bad Luck Island Categories Codeforces Codeforces Round #301 (Div. 2) 4
130 Puzzles Categories Codeforces Codeforces Round #362 (Div. 1) & Codeforces Round #362 (Div. 2) 4
131 The Door Problem Categories Codeforces ICM Technex 2017 and Codeforces Round #400 (Div. 1 + Div. 2, combined) 4
132 Robin Hood Categories Codeforces Codeforces Round #352 (Div. 1) & Codeforces Round #352 (Div. 2) 4
133 Little Pony and Harmony Chest Categories Codeforces Codeforces Round #259 (Div. 1) & Codeforces Round #259 (Div. 2) 4
134 Case of Fugitive Categories Codeforces Codeforces Round #310 (Div. 1) & Codeforces Round #310 (Div. 2) 4
135 MUH and Cube Walls Categories Codeforces Codeforces Round #269 (Div. 2) 4
136 High Load Categories Codeforces Codeforces Round #423 (Div. 1, rated, based on VK Cup Finals) & Codeforces Round #423 (Div. 2, rated, based on VK Cup Finals) 4
137 Alyona and a tree Categories Codeforces Codeforces Round #381 (Div. 1) & Codeforces Round #381 (Div. 2) 4
138 Cow Program Categories Codeforces Codeforces Round #174 (Div. 1) & Codeforces Round #174 (Div. 2) 4
139 Clique Problem Categories Codeforces Codeforces Round #296 (Div. 2) & Codeforces Round #296 (Div. 1) 4
140 Little Artem and Dance Categories Codeforces VK Cup 2016 - Round 2 4
141 Multipliers Categories Codeforces Codeforces Round #338 (Div. 2) 4
142 Anton and School - 2 Categories Codeforces Codeforces Round #404 (Div. 2) 5
143 Bear and Tower of Cubes Categories Codeforces Codeforces Round #356 (Div. 1) & Codeforces Round #356 (Div. 2) 5
144 Symmetric and Transitive Categories Codeforces Codeforces Round #315 (Div. 1) & Codeforces Round #315 (Div. 2) 5
145 Renting Bikes Categories Codeforces Codeforces Round #211 (Div. 2) 5
146 Rectangle and Square Categories Codeforces Codeforces Beta Round #97 (Div. 1) & Codeforces Beta Round #97 (Div. 2) 5
147 Lipshitz Sequence Categories Codeforces Codeforces Round #333 (Div. 1) & Codeforces Round #333 (Div. 2) 5
148 Mahmoud and Ehab and another array construction task Categories Codeforces Codeforces Round #473 (Div. 2) 5
149 An overnight dance in discotheque Categories Codeforces Codeforces Round #418 (Div. 2) 5
150 Winter Is Coming Categories Codeforces Codeforces Round #387 (Div. 2) 5
151 R2D2 and Droid Army Categories Codeforces Codeforces Round #291 (Div. 2) 5
152 Fedor and coupons Categories Codeforces Codeforces Round #390 (Div. 2) 5
153 Basketball Team Categories Codeforces Codeforces Beta Round #83 (Div. 1 Only) & Codeforces Beta Round #83 (Div. 2 Only) 5
154 Jon and Orbs Categories Codeforces Divide by Zero 2017 and Codeforces Round #399 (Div. 1 + Div. 2, combined) 5
155 Kyoya and Permutation Categories Codeforces Codeforces Round #309 (Div. 1) & Codeforces Round #309 (Div. 2) 5
156 Complete The Graph Categories Codeforces Codeforces Round #372 (Div. 1) & Codeforces Round #372 (Div. 2) 5
157 Police Stations Categories Codeforces Codeforces Round #408 (Div. 2) 5
158 Help General Categories Codeforces Codeforces Round #102 (Div. 1) & Codeforces Round #102 (Div. 2) 5
159 Sereja ans Anagrams Categories Codeforces Codeforces Round #215 (Div. 1) & Codeforces Round #215 (Div. 2) 5
160 Valid Sets Categories Codeforces Codeforces Round #277 (Div. 2) 5
161 Super M Categories Codeforces Codeforces Round #328 (Div. 2) 5
162 Dima and Bacteria Categories Codeforces Codeforces Round #234 (Div. 2) 5
163 Yaroslav and Time Categories Codeforces Codeforces Round #182 (Div. 1) & Codeforces Round #182 (Div. 2) 5
164 Misha and Permutations Summation Categories Codeforces Codeforces Round #285 (Div. 2) & Codeforces Round #285 (Div. 1) 5
165 Lucky Common Subsequence Categories Codeforces Codeforces Round #201 (Div. 1) & Codeforces Round #201 (Div. 2) 5
166 Lawnmower Categories Codeforces Codeforces Beta Round #87 (Div. 1 Only) & Codeforces Beta Round #87 (Div. 2 Only) 5
167 Two Paths Categories Codeforces Codeforces Beta Round #14 (Div. 2) 5
168 Field expansion Categories Codeforces Playrix Codescapes Cup (Codeforces Round #413, rated, Div. 1 + Div. 2) 5
169 Mishka and Interesting sum Categories Codeforces Codeforces Round #365 (Div. 2) 5
170 Block Tower Categories Codeforces Codeforces Round #191 (Div. 2) 5
171 Levko and Array Categories Codeforces Codeforces Round #210 (Div. 1) & Codeforces Round #210 (Div. 2) 5
172 Leaving Auction Categories Codeforces Codeforces Round #388 (Div. 2) 5
173 Jumping on Walls Categories Codeforces Codeforces Round #125 (Div. 1) & Codeforces Round #125 (Div. 2) 5
174 Counting Rectangles is Fun Categories Codeforces Codeforces Round #219 (Div. 1) & Codeforces Round #219 (Div. 2) 5
175 Dima and Two Sequences Categories Codeforces Codeforces Round #167 (Div. 2) & Codeforces Round #167 (Div. 1) 5
176 How many trees? Categories Codeforces Codeforces Beta Round #9 (Div. 2 Only) 5
177 Cartons of milk Categories Codeforces Codeforces Round #398 (Div. 2) 5
178 Weird journey Categories Codeforces Codeforces Round #407 (Div. 1) & Codeforces Round #407 (Div. 2) 5
179 Kay and Snowflake Categories Codeforces Codeforces Round #359 (Div. 1) & Codeforces Round #359 (Div. 2) 5
180 Queue Categories Codeforces Codeforces Round #205 (Div. 2) 5
181 Lucky Transformation Categories Codeforces Codeforces Beta Round #91 (Div. 1 Only) & Codeforces Beta Round #91 (Div. 2 Only) 5
182 Suspects Categories Codeforces Codeforces Round #110 (Div. 1) & Codeforces Round #110 (Div. 2) 5
183 Maximum Xor Secondary Categories Codeforces Codeforces Round #172 (Div. 1) & Codeforces Round #172 (Div. 2) 5
184 Increase Sequence Categories Codeforces Codeforces Round #266 (Div. 2) 5
185 Chip 'n Dale Rescue Rangers Categories Codeforces Codeforces Round #327 (Div. 1) & Codeforces Round #327 (Div. 2) 5
186 The Bakery Categories Codeforces Codeforces Round #426 (Div. 1) & Codeforces Round #426 (Div. 2) 5
187 Ability To Convert Categories Codeforces Codeforces Round #392 (Div. 2) 5
188 Volleyball Categories Codeforces Codeforces Beta Round #77 (Div. 1 Only) & Codeforces Beta Round #77 (Div. 2 Only) 5
189 Petr# Categories Codeforces Codeforces Beta Round #86 (Div. 1 Only) & Codeforces Beta Round #86 (Div. 2 Only) 5
190 Ciel and Duel Categories Codeforces Codeforces Round #190 (Div. 1) & Codeforces Round #190 (Div. 2) 5
191 Theseus and labyrinth Categories Codeforces Codeforces Round #354 (Div. 2) 5
192 Misha, Grisha and Underground Categories Codeforces Codeforces Round #425 (Div. 2) 5
193 Maxim and Array Categories Codeforces Codeforces Round #374 (Div. 2) 5
194 Gluttony Categories Codeforces Codeforces Round #446 (Div. 1) & Codeforces Round #446 (Div. 2) 5
195 Infinite Maze Categories Codeforces Codeforces Round #124 (Div. 1) & Codeforces Round #124 (Div. 2) 5
196 Fox and Minimal path Categories Codeforces Codeforces Round #228 (Div. 1) & Codeforces Round #228 (Div. 2) 5
197 Chocolate Categories Codeforces Codeforces Round #279 (Div. 2) 5
198 Handshakes Categories Codeforces Codeforces Round #298 (Div. 2) 5
199 Artsem and Saunders Categories Codeforces Codeforces Round #397 by Kaspersky Lab and Barcelona Bootcamp (Div. 1 + Div. 2 combined) 5
200 Persistent Bookcase Categories Codeforces Codeforces Round #368 (Div. 2) 5
201 Chips Categories Codeforces Codeforces Round #194 (Div. 1) & Codeforces Round #194 (Div. 2) 5
202 Alyona and Strings Categories Codeforces Codeforces Round #358 (Div. 2) 5
203 New Year Contest Categories Codeforces Codeforces Round #100 5
204 Jeff and Furik Categories Codeforces Codeforces Round #204 (Div. 1) & Codeforces Round #204 (Div. 2) 5
205 Minimization Categories Codeforces Codeforces Round #317 [AimFund Thanks-Round] (Div. 1) & Codeforces Round #317 [AimFund Thanks-Round] (Div. 2) 5
206 Cycle in Graph Categories Codeforces Codeforces Round #161 (Div. 2) 5
207 Restore Cube Categories Codeforces Codeforces Round #265 (Div. 1) 5
208 Palindromic characteristics Categories Codeforces Codeforces Round #427 (Div. 2) 5
209 Least Cost Bracket Sequence Categories Codeforces Codeforces Beta Round #3 5
210 Olympiad Categories Codeforces Codeforces Round #137 (Div. 2) 5
211 Vitaly and Cycle Categories Codeforces Codeforces Round #311 (Div. 2) 5
212 Lucky Number 2 Categories Codeforces Codeforces Round #104 (Div. 1) & Codeforces Round #104 (Div. 2) 5
213 Dima and Hares Categories Codeforces Codeforces Round #208 (Div. 2) 5
214 Petya and His Friends Categories Codeforces Codeforces Beta Round #61 (Div. 2) 5
215 Strip Categories Codeforces Codeforces Round #278 (Div. 2) & Codeforces Round #278 (Div. 1) & Codeforces Round #278 (Div. 2) & Codeforces Round #278 (Div. 1) 5
216 Palindrome Degree Categories Codeforces Codeforces Beta Round #7 5
217 Upgrading Array Categories Codeforces Codeforces Round #236 (Div. 2) & Codeforces Round #236 (Div. 1) 5
218 Timofey and rectangles Categories Codeforces Codeforces Round #395 (Div. 1) & Codeforces Round #395 (Div. 2) 5
219 Bear and Tree Jumps Categories Codeforces VK Cup 2017 - Round 1 5
220 Preparing for the Contest Categories Codeforces Codeforces Round #222 (Div. 1) & Codeforces Round #222 (Div. 2) 5
221 Winter is here Categories Codeforces Codeforces Round #428 (Div. 2) 5
222 Obsessive String Categories Codeforces Codeforces Round #282 (Div. 1) & Codeforces Round #282 (Div. 2) 5
223 Moodular Arithmetic Categories Codeforces Codeforces Round #334 (Div. 1) & Codeforces Round #334 (Div. 2) 5
224 A Simple Task Categories Codeforces Codeforces Beta Round #11 5
225 Friends and Subsequences Categories Codeforces Codeforces Round #361 (Div. 2) 5
226 Missile Silos Categories Codeforces Codeforces Round #103 (Div. 2) 5
227 Xenia and Hamming Categories Codeforces Codeforces Round #207 (Div. 1) & Codeforces Round #207 (Div. 2) 5
228 Skills Categories Codeforces Codeforces Round #339 (Div. 1) & Codeforces Round #339 (Div. 2) 5
229 Roman and Numbers Categories Codeforces Codeforces Round #235 (Div. 2) 5
230 Mahmoud and a Dictionary Categories Codeforces Codeforces Round #396 (Div. 2) 5
231 Falling Anvils Categories Codeforces Codeforces Beta Round #69 (Div. 1 Only) & Codeforces Beta Round #69 (Div. 2 Only) 5
232 Apple Tree Categories Codeforces Codeforces Round #202 (Div. 1) & Codeforces Round #202 (Div. 2) 6
233 Hydra Categories Codeforces Codeforces Round #150 (Div. 1) & Codeforces Round #150 (Div. 2) 6
234 Naughty Stone Piles Categories Codeforces Codeforces Round #140 (Div. 1) & Codeforces Round #140 (Div. 2) 6
235 Dynamic Problem Scoring Categories Codeforces VK Cup 2017 - Round 3 6
236 Permutations Categories Codeforces School Personal Contest #3 (Winter Computer School 2010/11) - Codeforces Beta Round #45 (ACM-ICPC Rules) 6
237 Sum Categories Codeforces Codeforces Round #159 (Div. 2) 6
238 Leha and another game about graph Categories Codeforces Codeforces Round #429 (Div. 1) & Codeforces Round #429 (Div. 2) 6
239 LCIS Categories Codeforces Codeforces Beta Round #10 6
240 Sereja and Periods Categories Codeforces Codeforces Round #187 (Div. 1) & Codeforces Round #187 (Div. 2) 6
241 Invariance of Tree Categories Codeforces Codeforces Round #319 (Div. 1) & Codeforces Round #319 (Div. 2) 6
242 Table Categories Codeforces Codeforces Round #144 (Div. 1) & Codeforces Round #144 (Div. 2) 6
243 Physical Education Categories Codeforces Codeforces Beta Round #49 (Div. 2) 6
244 Yet Another Number Game Categories Codeforces Codeforces Round #173 (Div. 2) 6
245 Fedor and Essay Categories Codeforces Codeforces Round #267 (Div. 2) 6
246 Cubes Categories Codeforces Codeforces Round #295 (Div. 2) & Codeforces Round #295 (Div. 1) 6
247 Non-Secret Cypher Categories Codeforces Codeforces Round #120 (Div. 2) 6
248 Graph Coloring Categories Codeforces CROC 2016 - Final Round [Private, For Onsite Finalists Only] 6
249 Match & Catch Categories Codeforces Codeforces Round #244 (Div. 2) 6
250 Vanya and Treasure Categories Codeforces Codeforces Round #355 (Div. 2) 6
251 Animals Categories Codeforces Codeforces Beta Round #35 (Div. 2) 6
252 Dispute Categories Codeforces Codeforces Round #149 (Div. 2) 6
253 Sereja and Table Categories Codeforces Codeforces Round #243 (Div. 1) 6
254 Coloring Brackets Categories Codeforces Codeforces Round #106 (Div. 2) 6
255 Felicity's Big Secret Revealed Categories Codeforces Codecraft-17 and Codeforces Round #391 (Div. 1 + Div. 2, combined) 6
256 Doctor Categories Codeforces Codeforces Beta Round #72 (Div. 1 Only) & Codeforces Beta Round #72 (Div. 2 Only) 6
257 Ilya and Roads Categories Codeforces Codeforces Round #186 (Div. 2) 6
258 Playing with Permutations Categories Codeforces Codeforces Round #153 (Div. 1) & Codeforces Round #153 (Div. 2) 6
259 Merge Sort Categories Codeforces Educational Codeforces Round 30 6
260 AlgoRace Categories Codeforces Codeforces Round #119 (Div. 1) & Codeforces Round #119 (Div. 2) 6
261 Two Strings Categories Codeforces Codeforces Round #138 (Div. 1) & Codeforces Round #138 (Div. 2) 6
262 Little Elephant and Elections Categories Codeforces Codeforces Round #157 (Div. 1) & Codeforces Round #157 (Div. 2) 6
263 Mister B and PR Shifts Categories Codeforces Codeforces Round #421 (Div. 1) & Codeforces Round #421 (Div. 2) 6
264 Wizards and Huge Prize Categories Codeforces Codeforces Round #114 (Div. 1) & Codeforces Round #114 (Div. 2) 6
265 Santa Claus and a Palindrome Categories Codeforces Technocup 2017 - Elimination Round 3 6
266 Random Task Categories Codeforces Codeforces Round #247 (Div. 2) 6
267 Minesweeper 1D Categories Codeforces Codeforces Round #237 (Div. 2) 6
268 Tanya and Password Categories Codeforces Codeforces Round #288 (Div. 2) 6
269 Ant on the Tree Categories Codeforces Codeforces Beta Round #29 (Div. 2, Codeforces format) 6
270 GukiZ and Binary Operations Categories Codeforces Codeforces Round #307 (Div. 2) 6
271 Mike and distribution Categories Codeforces Codeforces Round #410 (Div. 2) 6
272 Legacy Categories Codeforces Codeforces Round #406 (Div. 1) & Codeforces Round #406 (Div. 2) 6
273 Ring Road 2 Categories Codeforces Codeforces Beta Round #27 (Codeforces format, Div. 2) 6
274 Duff in Beach Categories Codeforces Codeforces Round #326 (Div. 1) & Codeforces Round #326 (Div. 2) 6
275 Hit Ball Categories Codeforces Codeforces Round #128 (Div. 2) 6
276 Mushroom Scientists Categories Codeforces Codeforces Round #118 (Div. 1) & Codeforces Round #118 (Div. 2) 6
277 Glad to see you! Categories Codeforces Codeforces Round #415 (Div. 1) & Codeforces Round #415 (Div. 2) 6
278 String Categories Codeforces Codeforces Beta Round #94 (Div. 1 Only) & Codeforces Beta Round #94 (Div. 2 Only) 6
279 Mr. Bender and Square Categories Codeforces Codeforces Round #156 (Div. 2) & Codeforces Round #156 (Div. 1) 6
280 Segments Categories Codeforces Codeforces Beta Round #22 (Div. 2 Only) 6
281 Let's Play Osu! Categories Codeforces Codeforces Round #146 (Div. 1) & Codeforces Round #146 (Div. 2) 6
282 Searching Rectangles Categories Codeforces Codeforces Round #371 (Div. 1) & Codeforces Round #371 (Div. 2) 6
283 Beautiful numbers Categories Codeforces Codeforces Beta Round #51 6
284 Permutation Sum Categories Codeforces Codeforces Round #175 (Div. 2) 6
285 Hot Days Categories Codeforces Codeforces Round #132 (Div. 2) 6
286 Arthur and Walls Categories Codeforces Codeforces Round #297 (Div. 2) 6
287 The Maths Lecture Categories Codeforces Codeforces Round #287 (Div. 2) 6
288 World Tour Categories Codeforces Codeforces Round #349 (Div. 1) & Codeforces Round #349 (Div. 2) 6
289 Gifts by the List Categories Codeforces Codeforces Round #357 (Div. 2) 6
290 Palindromes Categories Codeforces Codeforces Beta Round #98 (Div. 2) 6
291 Maxim and Restaurant Categories Codeforces Codeforces Round #160 (Div. 1) & Codeforces Round #160 (Div. 2) 6
292 Messenger Categories Codeforces Codeforces Round #344 (Div. 2) 6
293 Guess That Car! Categories Codeforces Codeforces Round #127 (Div. 1) & Codeforces Round #127 (Div. 2) 6
294 Lucky Probability Categories Codeforces Codeforces Beta Round #84 (Div. 1 Only) & Codeforces Beta Round #84 (Div. 2 Only) 6
295 Vladik and Favorite Game Categories Codeforces Codeforces Round #416 (Div. 2) 6
296 Ants Categories Codeforces Codeforces Round #188 (Div. 1) & Codeforces Round #188 (Div. 2) 6
297 Cinema Categories Codeforces Codeforces Round #145 (Div. 2, ACM-ICPC Rules) & Codeforces Round #145 (Div. 1, ACM-ICPC Rules) 6
298 Karen and Test Categories Codeforces Codeforces Round #419 (Div. 1) & Codeforces Round #419 (Div. 2) 6
299 Memory and Scores Categories Codeforces Codeforces Round #370 (Div. 2) 6
300 Hongcow's Game Categories Codeforces Codeforces Round #385 (Div. 1) & Codeforces Round #385 (Div. 2) 6
301 Numbers Categories Codeforces Codeforces Round #131 (Div. 1) & Codeforces Round #131 (Div. 2) 6
302 Rectangle Puzzle II Categories Codeforces Codeforces Round #183 (Div. 1) & Codeforces Round #183 (Div. 2) 6
303 Mr. Kitayuta's Technology Categories Codeforces Codeforces Round #286 (Div. 2) & Codeforces Round #286 (Div. 1) 6
304 Buses Categories Codeforces Codeforces Beta Round #79 (Div. 1 Only) & Codeforces Beta Round #79 (Div. 2 Only) 6
305 Lizards and Basements 2 Categories Codeforces Codeforces Beta Round #6 (Div. 2 Only) 6
306 DZY Loves FFT Categories Codeforces Codeforces Round #254 (Div. 1) & Codeforces Round #254 (Div. 2) 7
307 Ant Man Categories Codeforces Codeforces Round #366 (Div. 1) & Codeforces Round #366 (Div. 2) 7
308 80-th Level Archeology Categories Codeforces Codeforces Round #376 (Div. 2) 7
309 Programming Language Categories Codeforces Codeforces Round #126 (Div. 2) 7
310 Special Grid Categories Codeforces Codeforces Round #249 (Div. 2) 7
311 Vasya and Types Categories Codeforces Codeforces Beta Round #73 (Div. 1 Only) & Codeforces Beta Round #73 (Div. 2 Only) 7
312 Chocolate Categories Codeforces Codeforces Beta Round #31 (Div. 2, Codeforces format) 7
313 Pawn Categories Codeforces Codeforces Beta Round #40 (Div. 2) 7
314 Squares Categories Codeforces Codeforces Beta Round #92 (Div. 1 Only) & Codeforces Beta Round #92 (Div. 2 Only) 7
315 Table with Letters - 2 Categories Codeforces Codeforces Round #154 (Div. 2) 7
316 Points Categories Codeforces Codeforces Beta Round #19 7
317 Edges in MST Categories Codeforces Codeforces Round #111 (Div. 2) 7
318 Vika and Segments Categories Codeforces Codeforces Round #337 (Div. 2) 7
319 Follow Traffic Rules Categories Codeforces Codeforces Beta Round #5 7
320 Snake Categories Codeforces Codeforces Round #139 (Div. 2) 7
321 Black and White Tree Categories Codeforces Codeforces Round #158 (Div. 2) 7
322 Little Victor and Set Categories Codeforces Codeforces Round #262 (Div. 2) 7
323 Inna and Sequence Categories Codeforces Codeforces Round #220 (Div. 2) 7
324 Okabe and City Categories Codeforces Codeforces Round #420 (Div. 2) 7
325 Dot Categories Codeforces Codeforces Beta Round #63 (Div. 2) 7
326 Treasure Island Categories Codeforces Codeforces Beta Round #82 (Div. 2) 7
327 Nanami's Digital Board Categories Codeforces Codeforces Round #248 (Div. 2) & Codeforces Round #248 (Div. 1) 7
328 Blackboard Fibonacci Categories Codeforces Codeforces Round #134 (Div. 1) & Codeforces Round #134 (Div. 2) 7
329 Restoring Numbers Categories Codeforces Codeforces Round #289 (Div. 2, ACM ICPC Rules) 7
330 Vasily the Bear and Beautiful Strings Categories Codeforces Codeforces Round #195 (Div. 2) 7
331 Seller Bob Categories Codeforces Codeforces Beta Round #18 (Div. 2 Only) 7
332 Ksenia and Pawns Categories Codeforces Codeforces Round #224 (Div. 2) 7
333 Dima and Trap Graph Categories Codeforces Codeforces Round #214 (Div. 2) 7
334 Name That Tune Categories Codeforces Codeforces Round #284 (Div. 1) & Codeforces Round #284 (Div. 2) 7
335 Big Maximum Sum Categories Codeforces Codeforces Beta Round #67 (Div. 2) 7
336 Painting The Wall Categories Codeforces Codeforces Round #233 (Div. 1) & Codeforces Round #233 (Div. 2) 7
337 Boring Partition Categories Codeforces Codeforces Round #148 (Div. 1) & Codeforces Round #148 (Div. 2) 7
338 Valera and Swaps Categories Codeforces Codeforces Round #252 (Div. 2) 7
339 Guess Your Way Out! II Categories Codeforces Codeforces Round #312 (Div. 2) 7
340 Parking Lot Categories Codeforces School Personal Contest #2 (Winter Computer School 2010/11) - Codeforces Beta Round #43 (ACM-ICPC Rules) 7
341 Shifting Categories Codeforces Codeforces Round #176 (Div. 1) & Codeforces Round #176 (Div. 2) 7
342 Rat Kwesh and Cheese Categories Codeforces Codeforces Round #341 (Div. 2) 7
343 Spider's Web Categories Codeforces Codeforces Round #133 (Div. 2) 7
344 Analyzing Polyline Categories Codeforces Codeforces Round #123 (Div. 2) 7
345 Cats Transport Categories Codeforces Codeforces Round #185 (Div. 1) & Codeforces Round #185 (Div. 2) 7
346 Free Market Categories Codeforces Codeforces Round #213 (Div. 1) & Codeforces Round #213 (Div. 2) 7
347 Digits Permutations Categories Codeforces Codeforces Beta Round #99 (Div. 1) & Codeforces Beta Round #99 (Div. 2) 7
348 Something with XOR Queries Categories Codeforces Technocup 2018 - Elimination Round 2 7
349 Set of Points Categories Codeforces Codeforces Round #170 (Div. 1) & Codeforces Round #170 (Div. 2) 7
350 End of Exams Categories Codeforces Codeforces Beta Round #76 (Div. 1 Only) & Codeforces Beta Round #76 (Div. 2 Only) 7
351 On Sum of Fractions Categories Codeforces Codeforces Round #232 (Div. 1) & Codeforces Round #232 (Div. 2) 7
352 Knights Categories Codeforces Codeforces Beta Round #33 (Codeforces format) 7
353 Ball Categories Codeforces Codeforces Beta Round #12 (Div 2 Only) 7
354 Population Size Categories Codeforces Codeforces Round #241 (Div. 2) 7
355 Changing a String Categories Codeforces Codeforces Beta Round #52 (Div. 2) 7
356 Journey Categories Codeforces Codeforces Beta Round #42 (Div. 2) 7
357 Xor Categories Codeforces Codeforces Round #122 (Div. 1) & Codeforces Round #122 (Div. 2) 7
358 Russian Roulette Categories Codeforces Codeforces Beta Round #80 (Div. 1 Only) & Codeforces Beta Round #80 (Div. 2 Only) 7
359 Logging Categories Codeforces Codeforces Beta Round #16 (Div. 2 Only) 7
360 Game Categories Codeforces Codeforces Beta Round #46 (Div. 2) 7
361 Fools and Foolproof Roads Categories Codeforces Codeforces Round #212 (Div. 2) 7
362 Constellation Categories Codeforces Codeforces Beta Round #32 (Div. 2, Codeforces format) 7
363 Beard Graph Categories Codeforces Codeforces Round #112 (Div. 2) 7
364 Valera and Fools Categories Codeforces Codeforces Round #216 (Div. 2) 7
365 Happy Tree Party Categories Codeforces Codeforces Round #329 (Div. 2) 7
366 Huge Strings Categories Codeforces Codeforces Round #438 by Sberbank and Barcelona Bootcamp (Div. 1 + Div. 2 combined) 7
367 Demonstration Categories Codeforces Codeforces Round #121 (Div. 1) & Codeforces Round #121 (Div. 2) 7
368 New Game with a Chess Piece Categories Codeforces Codeforces Beta Round #36 8
369 Team Arrangement Categories Codeforces Codeforces Beta Round #55 (Div. 2) 8
370 Professor's task Categories Codeforces Codeforces Beta Round #64 8
371 Tower of Hanoi Categories Codeforces Codeforces Round #230 (Div. 1) & Codeforces Round #230 (Div. 2) 8
372 Name Categories Codeforces Codeforces Round #116 (Div. 2, ACM-ICPC Rules) 8
373 Dividing Island Categories Codeforces Codeforces Beta Round #59 (Div. 2) 8
374 Volcanoes Categories Codeforces Codeforces Round #225 (Div. 1) & Codeforces Round #225 (Div. 2) 8
375 BerDonalds Categories Codeforces Codeforces Round #163 (Div. 2) 8
376 Piet Categories Codeforces Codeforces Beta Round #96 (Div. 1) & Codeforces Beta Round #96 (Div. 2) 8
377 Broken robot Categories Codeforces Codeforces Beta Round #24 8
378 Calendar Categories Codeforces Codeforces Beta Round #54 (Div. 2) 8
379 Safe Categories Codeforces Codeforces Beta Round #44 (Div. 2) 8
380 Inna and Sweet Matrix Categories Codeforces Codeforces Round #229 (Div. 2) 8
381 Finals in arithmetic Categories Codeforces Codeforces Round #342 (Div. 2) 8
382 Take-off Ramps Categories Codeforces Codeforces Round #101 (Div. 2) 8
383 Painting Square Categories Codeforces Codeforces Round #181 (Div. 2) 8
384 The Minimum Number of Variables Categories Codeforces Codeforces Round #171 (Div. 2) 8
385 Triangles Categories Codeforces Codeforces Beta Round #13 8
386 Biathlon Track Categories Codeforces Codeforces Round #242 (Div. 2) 8
387 Labelling Cities Categories Codeforces Tinkoff Challenge - Final Round (Codeforces Round #414, rated, Div. 1 + Div. 2) 8
388 T-decomposition Categories Codeforces Codeforces Round #147 (Div. 2) 8
389 Wilbur and Trees Categories Codeforces Codeforces Round #331 (Div. 2) 8
390 Two Friends Categories Codeforces Codeforces Beta Round #8 8
391 Password Categories Codeforces Codeforces Beta Round #71 8
392 Vasya the Architect Categories Codeforces School Personal Contest #1 (Winter Computer School 2010/11) - Codeforces Beta Round #38 (ACM-ICPC Rules) 8
393 Sweets for Everyone! Categories Codeforces Codeforces Round #152 (Div. 2) & Codeforces Round #152 (Div. 1) 8
394 Notepad Categories Codeforces Codeforces Beta Round #17 8
395 Sereja and Tree Categories Codeforces Codeforces Round #223 (Div. 1) & Codeforces Round #223 (Div. 2) 8
396 Bombing Categories Codeforces Codeforces Beta Round #47 8
397 Two Melodies Categories Codeforces Educational Codeforces Round 22 8
398 FreeDiv Categories Codeforces Codeforces Beta Round #66 8
399 Xenia and Dominoes Categories Codeforces Codeforces Round #199 (Div. 2) 8
400 George and Interesting Graph Categories Codeforces Codeforces Round #227 (Div. 2) 8
401 Broken Monitor Categories Codeforces Codeforces Round #217 (Div. 2) 8
402 Max and Bike Categories Codeforces Codeforces Round #330 (Div. 1) & Codeforces Round #330 (Div. 2) 8
403 Olya and Graph Categories Codeforces Codeforces Round #184 (Div. 2) 8
404 Don't fear, DravDe is kind Categories Codeforces Codeforces Beta Round #28 (Codeforces format) 8
405 Tickets Categories Codeforces Codeforces Beta Round #26 (Codeforces format) 8
406 Widget Library Categories Codeforces Codeforces Beta Round #74 (Div. 1 Only) & Codeforces Beta Round #74 (Div. 2 Only) 8
407 Traveling Graph Categories Codeforces Codeforces Alpha Round #21 (Codeforces format) 8
408 Bear and Floodlight Categories Codeforces Codeforces Round #226 (Div. 2) 8
409 Not Quick Transformation Categories Codeforces Codeforces Beta Round #88 9
410 Map Categories Codeforces Codeforces Beta Round #15 9
411 Shaass and Painter Robot Categories Codeforces Codeforces Round #178 (Div. 2) 9
412 Game with Strings Categories Codeforces Codeforces Round #206 (Div. 1) & Codeforces Round #206 (Div. 2) 9
413 Hanger Categories Codeforces Codeforces Beta Round #68 9
414 Plane of Tanks: Duel Categories Codeforces Codeforces Round #115 9
415 King's Problem? Categories Codeforces Codeforces Beta Round #30 (Codeforces format) 9
416 Wormhouse Categories Codeforces Codeforces Beta Round #58 9
417 Geometrical problem Categories Codeforces Codeforces Beta Round #48 9
418 Tetragon Categories Codeforces Codeforces Beta Round #23 9
419 Journey Categories Codeforces Codeforces Beta Round #53 9
420 Half-decay tree Categories Codeforces Codeforces Beta Round #62 9
421 String Transformation Categories Codeforces Codeforces Beta Round #90 9
422 Shoe Store Categories Codeforces Codeforces Round #113 (Div. 2) 9
423 Archer's Shot Categories Codeforces Codeforces Beta Round #70 (Div. 2) 9
424 Theft of Blueprints Categories Codeforces Codeforces Round #193 (Div. 2) 9
425 Lesson Timetable Categories Codeforces Codeforces Beta Round #37 9
426 Zigzag Categories Codeforces Codeforces Round #141 (Div. 2) 9
427 Frames Categories Codeforces Codeforces Round #108 (Div. 2) 9
428 Savior Categories Codeforces Codeforces Beta Round #56 9
429 Solitaire Categories Codeforces Codeforces Beta Round #65 (Div. 2) 9
430 Physical Education and Buns Categories Codeforces Codeforces Round #231 (Div. 2) 9
431 Rats Categories Codeforces Codeforces Round #155 (Div. 2) 9
432 Sagheer and Kindergarten Categories Codeforces Codeforces Round #417 (Div. 2) 9
433 Strange town Categories Codeforces Codeforces Beta Round #41 9
434 Harry Potter and the Sorting Hat Categories Codeforces Codeforces Beta Round #60 9
435 Writing a Song Categories Codeforces Codeforces Beta Round #50 9
436 Wall Bars Categories Codeforces Codeforces Round #164 (Div. 2) 9
437 The Overdosing Ubiquity Categories Codeforces Codeforces Round #439 (Div. 2) 10
438 Help King Categories Codeforces Codeforces Beta Round #78 (Div. 1 Only) & Codeforces Beta Round #78 (Div. 2 Only) 10
439 Number of Binominal Coefficients Categories Codeforces Codeforces Round #323 (Div. 1) 10
440 Guards In The Storehouse Categories Codeforces Educational Codeforces Round 27 10
441 Interesting Sequence Categories Codeforces Codeforces Beta Round #39 10
442 Entertaining Geodetics Categories Codeforces Codeforces Beta Round #81 10
443 Looking for Owls Categories Codeforces Codeforces Round #203 (Div. 2) 10