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.

Search on plain tags, ratings, names, and problem text. Example: brute force or binary search

Solved
Name
Tags
Solutions
Index
Contest
Type
Points
Tutorial
Rating Level
1890 Doctor binary search math sortings Statement B Codeforces Beta Round 72 (Div. 1 Only) {83} PROGRAMMING 1900
14638 Mafia binary search math sortings Statement A Codeforces Round 202 (Div. 1) {348} PROGRAMMING Editorial for Codeforces Round #202 1700
7709 Maximum Value binary search math sortings two pointers Statement B Codeforces Round 276 (Div. 1) {484} PROGRAMMING Codeforces Round #276 — Editorial 2100
89767 Vanya and Lanterns binary search implementation math sortings Statement B Codeforces Round 280 (Div. 2) {492} PROGRAMMING Разбор задач 1200
3317 Vanya and Computer Game binary search implementation math sortings Statement D Codeforces Round 280 (Div. 2) {492} PROGRAMMING Разбор задач 1800
3808 XK Segments binary search math sortings two pointers Statement B Codeforces Round 448 (Div. 2) {895} PROGRAMMING Codeforces Round #448(Div.2) Editorial 1700
536 A Shade of Moonlight binary search geometry math sortings two pointers Statement D Codeforces Round 487 (Div. 2) {989} PROGRAMMING Codeforces Round #487 (Div. 2) Editorial 2500
1086 New Year and the Acquaintance Estimation binary search data structures graphs greedy implementation math sortings Statement E Good Bye 2018 {1091} PROGRAMMING Editorial 2400
8308 The Party and Sweets binary search constructive algorithms greedy implementation math sortings two pointers Statement A Codeforces Round 559 (Div. 1) {1158} PROGRAMMING 66993 1500
32761 Maximum Median binary search greedy math sortings Statement C Codeforces Round 577 (Div. 2) {1201} PROGRAMMING Codeforces Round #577 (Div 2) Editorial 1400
4622 Present binary search bitmasks constructive algorithms data structures math sortings Statement B Codeforces Round 626 (Div. 1, based on Moscow Open Olympiad in Informatics) {1322} PROGRAMMING 1000.0 Codeforces Round #626 Editorial
12116 Xenia and Colorful Gems binary search greedy math sortings two pointers Statement B Codeforces Round 635 (Div. 1) {1336} PROGRAMMING 750.0 Codeforces Round #635 Editorial 1800
5824 Restorer Distance binary search greedy math sortings ternary search Statement E Codeforces Round 643 (Div. 2) {1355} PROGRAMMING 2000.0 Codeforces Round #643 (Div. 2) Editorial 2100
2510 Asterism (Hard Version) binary search math number theory sortings Statement E2 Codeforces Round 654 (Div. 2) {1371} PROGRAMMING 1250.0 Codeforces Round #654 (Div. 2) Editorial
6072 Choosing flowers binary search data structures greedy math sortings two pointers Statement C Codeforces Round 657 (Div. 2) {1379} PROGRAMMING 1250.0 Codeforces Round #657 Editorial 2000
11042 Pinkie Pie Eats Patty-cakes binary search constructive algorithms data structures greedy math sortings Statement C Codeforces Round 662 (Div. 2) {1393} PROGRAMMING 1500.0 Codeforces Round #662 Editorial
2592 Two Types of Spells binary search data structures greedy implementation math sortings Statement E Educational Codeforces Round 93 (Rated for Div. 2) {1398} PROGRAMMING Educational Codeforces Round 93 Editorial
15460 Toy Blocks binary search greedy math sortings Statement B Educational Codeforces Round 98 (Rated for Div. 2) {1452} PROGRAMMING 84847
11337 Close Tuples (hard version) binary search combinatorics implementation math sortings two pointers Statement E2 Codeforces Round 690 (Div. 3) {1462} PROGRAMMING Codeforces Round #690 (Div. 3) Editorial
15198 Close Tuples (easy version) binary search combinatorics math sortings two pointers Statement E1 Codeforces Round 690 (Div. 3) {1462} PROGRAMMING Codeforces Round #690 (Div. 3) Editorial
18297 Equalize the Array binary search data structures greedy math sortings Statement F Codeforces Round 702 (Div. 3) {1490} PROGRAMMING Codeforces Round #702 (Div. 3) Editorial
1181 Array Equalizer binary search implementation math number theory sortings Statement E Codeforces Round 754 (Div. 2) {1605} PROGRAMMING 2500.0 tutorial 2400
1922 Trader Problem binary search data structures dsu greedy math sortings Statement G Codeforces Round 760 (Div. 3) {1618} PROGRAMMING Codeforces Round #760 (Div. 3) Editorial
1736 Spanning Tree Queries binary search data structures dsu graphs implementation math sortings Statement E Educational Codeforces Round 122 (Rated for Div. 2) {1633} PROGRAMMING 99539
4457 Rescheduling the Exam binary search data structures greedy implementation math sortings Statement E Codeforces Round 776 (Div. 3) {1650} PROGRAMMING 100712
5282 For Gamers. By Gamers. binary search dp math sortings two pointers Statement D Educational Codeforces Round 125 (Rated for Div. 2) {1657} PROGRAMMING 101161
6260 Permutation Restoration binary search data structures greedy math sortings Statement D Educational Codeforces Round 131 (Rated for Div. 2) {1701} PROGRAMMING Educational Codeforces Round 131 Editorial
2025 Red-Black Pepper binary search brute force greedy math number theory sortings ternary search Statement E Educational Codeforces Round 135 (Rated for Div. 2) {1728} PROGRAMMING 106805
2888 Multi-Colored Segments binary search data structures math sortings Statement F Codeforces Round 826 (Div. 3) {1741} PROGRAMMING 107908
1599 Gaining Rating binary search greedy math sortings Statement G Codeforces Round 839 (Div. 3) {1772} PROGRAMMING 110313
14732 Going to the Cinema binary search math sortings two pointers Statement B VK Cup 2022 - Отборочный раунд (Engine) {1781} PROGRAMMING 1000.0 Tutorial
8009 Fixed Prefix Permutations binary search data structures math sortings strings Statement D Educational Codeforces Round 142 (Rated for Div. 2) {1792} PROGRAMMING 111835
14148 Place for a Selfie binary search geometry math sortings Statement C Codeforces Round 862 (Div. 2) {1805} PROGRAMMING 1250.0 Editorial of Codeforces Round #862 (Div. 2)
1071 Lottery binary search brute force greedy math sortings two pointers Statement B Codeforces Round 880 (Div. 1) {1835} PROGRAMMING 1250.0 Codeforces Round 880 Editorial
1026 The Boss's Identity binary search bitmasks data structures dfs and similar greedy math sortings Statement F Codeforces Round 882 (Div. 2) {1847} PROGRAMMING 3000.0 Tutorial
24201 Vika and the Bridge binary search data structures greedy implementation math sortings Statement B Codeforces Round 885 (Div. 2) {1848} PROGRAMMING 1000.0 Codeforces Round #885 (Div.2) Editorial
13084 Colorful Table binary search data structures dp implementation math sortings two pointers Statement C CodeTON Round 6 (Div. 1 + Div. 2, Rated, Prizes!) {1870} PROGRAMMING 1500.0 CodeTON Round 6 (Div. 1 + Div. 2, Rated, Prizes!) Editorial
14908 Permutation Counting binary search greedy implementation math sortings Statement A Codeforces Round 942 (Div. 1) {1967} PROGRAMMING 750.0 Tutorial 1400
18152 Find the Car binary search math sortings Statement E Codeforces Round 944 (Div. 4) {1971} PROGRAMMING Codeforces Round 944 (Div. 4) Editorial 1500
10131 Bouquet (Hard Version) binary search data structures greedy math sortings two pointers Statement B2 Codeforces Round 961 (Div. 2) {1995} PROGRAMMING 500.0 Video Tutorial
21564 The Strict Teacher (Hard Version) binary search greedy math sortings Statement B2 Codeforces Round 972 (Div. 2) {2005} PROGRAMMING 500.0 Discussion stream (With Hints)
237 Complex Segments (Easy Version) binary search data structures divide and conquer dsu greedy math sortings Statement E1 Codeforces Round 975 (Div. 1) {2018} PROGRAMMING 2250.0 Editorial of Codeforces Round 975 (Div. 1, Div. 2)
203 Complex Segments (Hard Version) binary search data structures divide and conquer dsu greedy math sortings Statement E2 Codeforces Round 975 (Div. 1) {2018} PROGRAMMING 750.0 Editorial of Codeforces Round 975 (Div. 1, Div. 2)
16097 Trinity binary search math sortings two pointers Statement C Codeforces Round 983 (Div. 2) {2032} PROGRAMMING 1250.0 Codeforces Round 983 (Div. 2) Editorial
7662 Refined Product Optimality binary search data structures greedy implementation math schedules sortings Statement D Good Bye 2024: 2025 is NEAR {2053} PROGRAMMING 1750.0 Good Bye 2024: 2025 is NEAR Editorial
5476 Small Operations binary search bitmasks brute force dfs and similar dp math number theory sortings Statement F Codeforces Round 1027 (Div. 3) {2114} PROGRAMMING 143268
3046 Predicting Popularity binary search data structures math sortings Statement E Educational Codeforces Round 183 (Rated for Div. 2) {2145} PROGRAMMING Educational Codeforces Round 183 Editorial