You must be logged in to add problems to this category

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