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Codeforces Div. 2 - F Problems problems
Problem Name Online Judge Contest Difficulty Level
1 Ant colony Categories Codeforces Codeforces Round #271 (Div. 2) 4
2 Video Cards Categories Codeforces Codeforces Round #376 (Div. 2) 5
3 SUM and REPLACE Categories Codeforces Educational Codeforces Round 37 (Rated for Div. 2) 5
4 st-Spanning Tree Categories Codeforces Codeforces Round #375 (Div. 2) 6
5 Fence Categories Codeforces Codeforces Round #145 (Div. 2, ACM-ICPC Rules) & Codeforces Round #145 (Div. 1, ACM-ICPC Rules) 6
6 New Year Tree Categories Codeforces Good Bye 2013 6
7 Mathematical Analysis Rocks! Categories Codeforces Codeforces Round #116 (Div. 2, ACM-ICPC Rules) 6
8 Special Matrices Categories Codeforces Codeforces Round #277.5 (Div. 2) 6
9 A Heap of Heaps Categories Codeforces Codeforces Round #300 6
10 Group Projects Categories Codeforces 8VC Venture Cup 2016 - Elimination Round 6
11 Polycarp and Hay Categories Codeforces Codeforces Round #346 (Div. 2) 6
12 Treeland Tour Categories Codeforces Codeforces Round #279 (Div. 2) 7
13 Letters Removing Categories Codeforces Codeforces Round #452 (Div. 2) 7
14 Axel and Marston in Bitland Categories Codeforces ?????????? 2017 - ????? (?????? ??? ??????-??????????) 7
15 Restore a Number Categories Codeforces Codeforces Round #350 (Div. 2) 7
16 Lizard Era: Beginning Categories Codeforces Codeforces Round #325 (Div. 1) & Codeforces Round #325 (Div. 2) 7
17 Peterson Polyglot Categories Codeforces Codeforces Round #402 (Div. 1) & Codeforces Round #402 (Div. 2) 7
18 Bacterial Melee Categories Codeforces 8VC Venture Cup 2017 - Final Round 7
19 New Year and Rainbow Roads Categories Codeforces Good Bye 2017 7
20 PolandBall and Gifts Categories Codeforces 8VC Venture Cup 2017 - Elimination Round 7
21 Bamboo Partition Categories Codeforces Codeforces Round #424 (Div. 1, rated, based on VK Cup Finals) & Codeforces Round #424 (Div. 2, rated, based on VK Cup Finals) 7
22 Coprime Subsequences Categories Codeforces Educational Codeforces Round 20 7
23 Tourist Reform Categories Codeforces Codeforces Round #377 (Div. 2) 7
24 Barrels and boxes Categories Codeforces Divide by Zero 2017 and Codeforces Round #399 (Div. 1 + Div. 2, combined) 7
25 Drivers Dissatisfaction Categories Codeforces Codeforces Round #378 (Div. 2) 7
26 Random Query Categories Codeforces Educational Codeforces Round 28 7
27 MEX Queries Categories Codeforces Educational Codeforces Round 23 7
28 Break Up Categories Codeforces Codeforces Round #364 (Div. 1) & Codeforces Round #364 (Div. 2) 7
29 Expected diameter of a tree Categories Codeforces Codeforces Round #411 (Div. 1) & Codeforces Round #411 (Div. 2) 7
30 Couple Cover Categories Codeforces Educational Codeforces Round 14 7
31 Cowslip Collections Categories Codeforces CROC 2016 - Elimination Round 8
32 Santa Clauses and a Soccer Championship Categories Codeforces Technocup 2017 - Elimination Round 3 8
33 Escape Through Leaf Categories Codeforces ICM Technex 2018 and Codeforces Round #463 (Div. 1 + Div. 2, combined) 8
34 The Sum of the k-th Powers Categories Codeforces Educational Codeforces Round 7 8
35 Polycarp's problems Categories Codeforces Technocup 2017 - Elimination Round 1 (Unofficially Open for Everyone, Rated for Div. 2) 8
36 Anti-Palindromize Categories Codeforces Educational Codeforces Round 31 8
37 Almost Permutation Categories Codeforces Educational Codeforces Round 29 8
38 Geometrical Progression Categories Codeforces Codeforces Round #392 (Div. 2) 8
39 Machine Learning Categories Codeforces Codeforces Round #466 (Div. 2) 8
40 Magic Matrix Categories Codeforces Educational Codeforces Round 9 8
41 Progress Monitoring Categories Codeforces Codeforces Round #289 (Div. 2, ACM ICPC Rules) 8
42 Prefix Sums Categories Codeforces Educational Codeforces Round 26 8
43 Music in Car Categories Codeforces Codeforces Round #386 (Div. 2) 8
44 Divisibility Categories Codeforces Codeforces Round #461 (Div. 2) 8
45 Double Knapsack Categories Codeforces Wunder Fund Round 2016 (Div. 1 + Div. 2 combined) 8
46 Present to Mom Categories Codeforces Codeforces Beta Round #95 (Div. 2) 8
47 Bear and Bowling 4 Categories Codeforces Educational Codeforces Round 11 8
48 Card Game Categories Codeforces Educational Codeforces Round 21 8
49 Best Edge Weight Categories Codeforces Codeforces Round #423 (Div. 1, rated, based on VK Cup Finals) & Codeforces Round #423 (Div. 2, rated, based on VK Cup Finals) 8
50 The Chocolate Spree Categories Codeforces Manthan, Codefest 16 8
51 Mausoleum Categories Codeforces Codeforces Round #Pi (Div. 2) 8
52 String Compression Categories Codeforces Educational Codeforces Round 25 8
53 Subtree Minimum Query Categories Codeforces Educational Codeforces Round 33 (Rated for Div. 2) 8
54 String Set Queries Categories Codeforces Educational Codeforces Round 16 8
55 Legen... Categories Codeforces Codeforces Round #362 (Div. 1) & Codeforces Round #362 (Div. 2) 8
56 Forbidden Indices Categories Codeforces Educational Codeforces Round 30 8
57 Wizard's Tour Categories Codeforces ?????????? 2018 - ?????????? ????? 1 8
58 Tree Destruction Categories Codeforces Educational Codeforces Round 35 (Rated for Div. 2) 8
59 Leha and security system Categories Codeforces Tinkoff Challenge - Final Round (Codeforces Round #414, rated, Div. 1 + Div. 2) 8
60 LCS Again Categories Codeforces Codeforces Round #320 (Div. 1) [Bayan Thanks-Round] & Codeforces Round #320 (Div. 2) [Bayan Thanks-Round] 8
61 Level Generation Categories Codeforces Educational Codeforces Round 24 8
62 Financiers Game Categories Codeforces Technocup 2017 - Elimination Round 2 8
63 Restoring the Expression Categories Codeforces Codeforces Round #451 (Div. 2) 8
64 Paper task Categories Codeforces IndiaHacks 2016 - Online Edition (Div. 1 + Div. 2) 8
65 Yet Another Minimization Problem Categories Codeforces Codeforces Round #438 by Sberbank and Barcelona Bootcamp (Div. 1 + Div. 2 combined) 8
66 Team Rocket Rises Again Categories Codeforces Codecraft-17 and Codeforces Round #391 (Div. 1 + Div. 2, combined) 8
67 Zublicanes and Mumocrates Categories Codeforces Codeforces Round #322 (Div. 2) 8
68 Cities Excursions Categories Codeforces Codeforces Round #436 (Div. 2) 8
69 Souvenirs Categories Codeforces Codeforces Round #397 by Kaspersky Lab and Barcelona Bootcamp (Div. 1 + Div. 2 combined) 8
70 New Year and Cleaning Categories Codeforces Good Bye 2015 8
71 Pasha and Pipe Categories Codeforces Codeforces Round #293 (Div. 2) 9
72 New Year Shopping Categories Codeforces Good Bye 2014 9
73 New Year Snowflake Categories Codeforces Codeforces Round #100 9
74 Bipartite Checking Categories Codeforces Educational Codeforces Round 22 9
75 Strongly Connected Tournament Categories Codeforces Hello 2018 9
76 Madness Categories Codeforces Codeforces Round #422 (Div. 2) 9
77 Perishable Roads Categories Codeforces VK Cup 2017 - Round 3 9
78 Four Divisors Categories Codeforces Educational Codeforces Round 12 9
79 Simplified Nonogram Categories Codeforces Codeforces Round #298 (Div. 2) 9
80 Clear The Matrix Categories Codeforces Educational Codeforces Round 34 (Rated for Div. 2) 9
81 Design Tutorial: Change the Goal Categories Codeforces Codeforces Round #270 9
82 Cyclic Cipher Categories Codeforces Intel Code Challenge Elimination Round (Div. 1 + Div. 2, combined) 9
83 Paths Categories Codeforces Technocup 2018 - Elimination Round 2 9
84 Fafa and Array Categories Codeforces Codeforces Round #465 (Div. 2) 9
85 Edge coloring of bipartite graph Categories Codeforces Educational Codeforces Round 2 9
86 Igor and Interesting Numbers Categories Codeforces Codeforces Round #387 (Div. 2) 9
87 Sherlock's bet to Moriarty Categories Codeforces ICM Technex 2017 and Codeforces Round #400 (Div. 1 + Div. 2, combined) 9
88 Xors on Segments Categories Codeforces Educational Codeforces Round 6 9
89 Dasha and Photos Categories Codeforces Codeforces Round #394 (Div. 2) 9
90 Cutlet Categories Codeforces Codeforces Round #464 (Div. 2) 9
91 Bear and Fair Set Categories Codeforces Educational Codeforces Round 8 9
92 New Year and Finding Roots Categories Codeforces Good Bye 2016 9
93 Connecting Vertices Categories Codeforces Educational Codeforces Round 32 9
94 Limak and Shooting Points Categories Codeforces Codeforces Round #363 (Div. 1) & Codeforces Round #363 (Div. 2) 9
95 T-Shirts Categories Codeforces Educational Codeforces Round 15 9
96 Roads in the Kingdom Categories Codeforces Codeforces Round #427 (Div. 2) 9
97 Expensive Strings Categories Codeforces Educational Codeforces Round 5 9
98 Smart Boy Categories Codeforces School Personal Contest #1 (Winter Computer School 2010/11) - Codeforces Beta Round #38 (ACM-ICPC Rules) 9
99 Mice and Holes Categories Codeforces Educational Codeforces Round 19 9
100 AND-permutations Categories Codeforces Codeforces Round #455 (Div. 2) 9
101 Erasing Substrings Categories Codeforces Educational Codeforces Round 38 (Rated for Div. 2) 9
102 Family Photos Categories Codeforces Canada Cup 2016 9
103 Substrings in a String Categories Codeforces Codecraft-18 and Codeforces Round #458 (Div. 1 + Div. 2, combined) 9
104 Mages and Monsters Categories Codeforces Educational Codeforces Round 18 10
105 Nagini Categories Codeforces Manthan, Codefest 17 10
106 Guards In The Storehouse Categories Codeforces Educational Codeforces Round 27 10
107 Simba on the Circle Categories Codeforces Educational Codeforces Round 4 10
108 Tree nesting Categories Codeforces Educational Codeforces Round 17 10
109 Bearish Fanpages Categories Codeforces VK Cup 2016 - Round 3 10
110 Duff in Mafia Categories Codeforces Codeforces Round #326 (Div. 1) & Codeforces Round #326 (Div. 2) 10
111 Mahmoud and Ehab and the final stage Categories Codeforces Codeforces Round #435 (Div. 2) 10
112 Beautiful fountains rows Categories Codeforces Playrix Codescapes Cup (Codeforces Round #413, rated, Div. 1 + Div. 2) 10
113 Snow sellers Categories Codeforces School Personal Contest #3 (Winter Computer School 2010/11) - Codeforces Beta Round #45 (ACM-ICPC Rules) 10
114 Ants on a Circle Categories Codeforces Educational Codeforces Round 10 10
115 Cut Length Categories Codeforces Educational Codeforces Round 1 10
116 A Game With Numbers Categories Codeforces Codeforces Round #460 (Div. 2) 10
117 Sequence Recovery Categories Codeforces Codeforces Round #408 (Div. 2) 10
118 Gnomes of Might and Magic Categories Codeforces Codeforces Round #115 10
119 Row of Models Categories Codeforces Codeforces Round #444 (Div. 2) 10