Codeforces problemset search & solutions
Exclude tags.

Review the problem statement from Codeforces (link will open a new tab). When you've matched your problem, go to the solutions.

Get exact match for tags using this format, eg: [u'brute force', 'dp']

Solved
Name
Tags
Solutions
Index
Contest
Type
Points
Tutorial
Rating Level
1669 Network Coverage binary search data structures flows graph matchings graphs greedy Statement F Educational Codeforces Round 90 (Rated for Div. 2) {1373} PROGRAMMING Educational Codeforces Round 90 Editorial
27135 Make It Good binary search greedy Statement C Codeforces Round 656 (Div. 3) {1385} PROGRAMMING Codeforces Round #656 (Div. 3) Editorial 1200
2693 Fixed Point Removal binary search data structures greedy Statement C Codeforces Round 668 (Div. 1) {1404} PROGRAMMING 1500.0 Codeforces Round #668 Editorial
4982 Discrete Centrifugal Jumps binary search data structures dp greedy Statement D Codeforces Round 669 (Div. 2) {1407} PROGRAMMING 2000.0 Codeforces Round #669 Editorial
1929 Greedy Shopping binary search data structures greedy Statement C Codeforces Round 684 (Div. 1) {1439} PROGRAMMING 1750.0 Codeforces Round #684[Div1 and Div2] Editorial
4461 Pairs binary search constructive algorithms greedy Statement D Educational Codeforces Round 100 (Rated for Div. 2) {1463} PROGRAMMING Educational Codeforces Round 100 Editorial
915 Power Sockets binary search data structures greedy Statement F Educational Codeforces Round 101 (Rated for Div. 2) {1469} PROGRAMMING Educational Codeforces Round 101 Editorial
19246 Accidental Victory binary search data structures greedy Statement E Codeforces Round 702 (Div. 3) {1490} PROGRAMMING Codeforces Round #702 (Div. 3) Editorial
17417 Box Fitting binary search bitmasks data structures greedy Statement B CodeCraft-21 and Codeforces Round 711 (Div. 2) {1498} PROGRAMMING 1000.0 CodeCraft-21 and Codeforces Round #711 (Div. 2) Editorial
15593 Wonderful Coloring - 2 binary search constructive algorithms data structures greedy Statement B2 Codeforces Round 734 (Div. 3) {1551} PROGRAMMING Editorial for Codeforces Round #734 (Div.3)
6180 Nearest Beautiful Number (easy version) binary search bitmasks brute force constructive algorithms dfs and similar greedy Statement F1 Codeforces Round 739 (Div. 3) {1560} PROGRAMMING 94009 1900
2401 Minimal Coverage binary search dp greedy Statement G Codeforces Round 744 (Div. 3) {1579} PROGRAMMING Codeforces Round #744 (Div. 3) Editorial
1296 Game with Stones binary search data structures games greedy Statement E Technocup 2022 - Elimination Round 2 {1584} PROGRAMMING 2000.0 Editorial for Technocup 2022 — Elimination Round 2 and Codeforces Round #755 (Div. 1, Div. 2) 2300
25031 Save More Mice binary search greedy greedy Statement C Codeforces Round 748 (Div. 3) {1593} PROGRAMMING Editorial for Codeforces Round #748 (Div.3)
11723 Keshi Is Throwing a Party binary search greedy Statement C Codeforces Global Round 17 {1610} PROGRAMMING 1500.0 Codeforces Global Round 17 Editorial
4234 Exact Change binary search brute force constructive algorithms greedy Statement D Educational Codeforces Round 119 (Rated for Div. 2) {1620} PROGRAMMING 98061
12275 Balanced Stone Heaps binary search greedy Statement C Codeforces Round 763 (Div. 2) {1623} PROGRAMMING 1750.0 Codeforces Round #763 (Div. 2) Editorial
3936 Martial Arts Tournament binary search brute force greedy Statement D Educational Codeforces Round 121 (Rated for Div. 2) {1626} PROGRAMMING 99136
737 Even Split binary search constructive algorithms greedy Statement E 2021-2022 ICPC, NERC, Northern Eurasia Onsite (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {1666} PROGRAMMING Tutorial (PDF)
3820 Moving Chips binary search bitmasks dp greedy Statement E Educational Codeforces Round 128 (Rated for Div. 2) {1680} PROGRAMMING 102852
17330 Schedule Management binary search greedy Statement C Educational Codeforces Round 131 (Rated for Div. 2) {1701} PROGRAMMING Educational Codeforces Round 131 Editorial
2106 Mark and Professor Koro binary search bitmasks combinatorics data structures greedy Statement E Codeforces Round 807 (Div. 2) {1705} PROGRAMMING 2500.0 Codeforces Round #807 (Div 2.) Editorial
4568 Empty Graph binary search data structures greedy Statement D Codeforces Round 813 (Div. 2) {1712} PROGRAMMING 2000.0 Codeforces Round #813 (Div. 2) Editorial
1642 FTL binary search dp greedy Statement E Educational Codeforces Round 137 (Rated for Div. 2) {1743} PROGRAMMING Educational Codeforces Round 137 Editorial 2400
333 N Machines binary search brute force greedy Statement E Codeforces Round 829 (Div. 1) {1753} PROGRAMMING 2500.0 Tutorial 3300
1306 Hospital Queue binary search graphs greedy Statement H 2022-2023 ICPC, NERC, Southern and Volga Russian Regional Contest (Online Mirror, ICPC Rules, Preferably Teams) {1765} PROGRAMMING 109642 2200
1123 Blocking Chips binary search dfs and similar dp greedy Statement F Educational Codeforces Round 143 (Rated for Div. 2) {1795} PROGRAMMING 112963
6391 Binary String Sorting binary search dp greedy Statement D Educational Codeforces Round 145 (Rated for Div. 2) {1809} PROGRAMMING 114300
1906 Range Sorting (Hard Version) binary search data structures dp greedy Statement B2 Codeforces Round 873 (Div. 1) {1827} PROGRAMMING 750.0 Codeforces Round #873 (Div. 1 & 2) Editorial 2400
1729 Grouped Carriages binary search data structures greedy Statement G COMPFEST 15 - Preliminary Online Mirror (Unrated, ICPC Rules, Teams Preferred) {1866} PROGRAMMING COMPFEST 15 Preliminary — Editorial
7067 Prefix Purchase binary search data structures greedy Statement D CodeTON Round 6 (Div. 1 + Div. 2, Rated, Prizes!) {1870} PROGRAMMING 1750.0 CodeTON Round 6 (Div. 1 + Div. 2, Rated, Prizes!) Editorial
13139 Iva & Pav binary search bitmasks data structures greedy Statement E Codeforces Round 900 (Div. 3) {1878} PROGRAMMING Codeforces round #900 (Div.3) Editorial
5799 Maximum And Queries (easy version) binary search bitmasks brute force greedy Statement D1 Codeforces Round 912 (Div. 2) {1903} PROGRAMMING 1500.0 Codeforces Round #912 (Div. 2) Editorial
15192 Game with Multiset binary search bitmasks greedy Statement C Educational Codeforces Round 160 (Rated for Div. 2) {1913} PROGRAMMING 123493
6886 Slimes binary search data structures greedy Statement D Educational Codeforces Round 162 (Rated for Div. 2) {1923} PROGRAMMING Educational Codeforces Round 162 Editorial
441 MEX Game 2 (Easy Version) binary search brute force greedy Statement E1 Codeforces Round 934 (Div. 1) {1943} PROGRAMMING 2000.0 Codeforces Round #934 (Div1, Div2) Editorial
767 Inversion Composition binary search constructive algorithms data structures greedy Statement F Codeforces Global Round 25 {1951} PROGRAMMING 2750.0 Codeforces Global Round 25 Editorial
14688 Battle Cows binary search greedy Statement B Codeforces Global Round 25 {1951} PROGRAMMING 1000.0 Codeforces Global Round 25 Editorial
1381 Unique Array binary search data structures divide and conquer dp greedy Statement E Educational Codeforces Round 165 (Rated for Div. 2) {1969} PROGRAMMING Educational Codeforces Round 165 Editorial 2400
14591 Chamo and Mocha's Array binary search brute force greedy Statement C Codeforces Round 947 (Div. 1 + Div. 2) {1975} PROGRAMMING 1000.0 editorial_zh.pdf 1200
3737 Med-imize binary search data structures dp greedy Statement D Codeforces Round 963 (Div. 2) {1993} PROGRAMMING 2000.0
6113 Perform Operations to Maximize Score binary search brute force greedy Statement C Codeforces Round 965 (Div. 2) {1998} PROGRAMMING 1250.0
11462 Black Cells binary search brute force greedy Statement B Educational Codeforces Round 171 (Rated for Div. 2) {2026} PROGRAMMING
4520 New Rating binary search data structures dp greedy Statement C Refact.ai Match 1 (Codeforces Round 985) {2029} PROGRAMMING 1750.0
12337 Sakurako's Field Trip binary search dp greedy Statement C Codeforces Round 981 (Div. 3) {2033} PROGRAMMING
6091 Reverse the Rivers binary search greedy Statement E Codeforces Round 984 (Div. 3) {2036} PROGRAMMING