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
4928 Monitor binary search number theory Statement C Codeforces Beta Round 16 (Div. 2 Only) {16} PROGRAMMING Codeforces Beta Round #16 Tutorial 1800
13490 Modified GCD binary search number theory Statement C Codeforces Beta Round 67 (Div. 2) {75} PROGRAMMING Codeforces Beta Round #67 (Div. 2), my solutions 1600
3795 Petya and Divisors binary search data structures number theory Statement B Codeforces Beta Round 85 (Div. 1 Only) {111} PROGRAMMING Codeforces Beta Round #85: Разбор задач 1900
3214 Well-known Numbers binary search greedy number theory Statement B Codeforces Round 139 (Div. 2) {225} PROGRAMMING 1600
81534 T-primes binary search implementation math number theory Statement B Codeforces Round 142 (Div. 2) {230} PROGRAMMING Codeforces Round #142 Problem Analysis 1300
13676 Prime Matrix binary search brute force math number theory Statement B Codeforces Round 166 (Div. 2) {271} PROGRAMMING editroal 1400
1056 Empire Strikes Back binary search math number theory Statement E Codeforces Round 181 (Div. 2) {300} PROGRAMMING English Tutorial 2400
5012 Quiz binary search greedy math matrices number theory Statement C Codeforces Round 196 (Div. 2) {337} PROGRAMMING 1700
10012 Bear and Prime Numbers binary search brute force data structures dp implementation math number theory Statement C Codeforces Round 226 (Div. 2) {385} PROGRAMMING Codeforces Round #226 (Div. 2) — Editorial 1800
29261 Perfect Number binary search brute force dp implementation number theory Statement B Codeforces Round 460 (Div. 2) {919} PROGRAMMING Codeforces Round #460 (Div. 2) Editorial 1100
1808 List Of Integers binary search bitmasks brute force combinatorics math number theory Statement G Educational Codeforces Round 37 (Rated for Div. 2) {920} PROGRAMMING T 2300
2763 Sad powers binary search math number theory Statement C Codeforces Round 471 (Div. 2) {955} PROGRAMMING Editorial 2100
2653 Multicolored Markers binary search brute force math number theory Statement F Codeforces Round 506 (Div. 3) {1029} PROGRAMMING Codeforces Round #506 (Div. 3) Editorial 2100
2654 Missing Numbers binary search constructive algorithms greedy math number theory Statement E Avito Cool Challenge 2018 {1081} PROGRAMMING 63888 1900
253 Fedya the Potter binary search implementation math number theory Statement E Codeforces Round 530 (Div. 1) {1098} PROGRAMMING 64331 3400
357 Maximum Sine binary search data structures number theory Statement F Codeforces Round 566 (Div. 2) {1182} PROGRAMMING 67614 2900
254 Wooden Raft binary search math number theory Statement G Technocup 2020 - Elimination Round 1 {1223} PROGRAMMING Сodeforces Round 591 (and Technocup 2020 — Elimination Round 1) Editorial 3100
14044 Everyone is a Winner! binary search math meet-in-the-middle number theory Statement C Codeforces Round 603 (Div. 2) {1263} PROGRAMMING Разбор Codeforces Round #603 (Div. 2) 1400
1215 Classical? binary search combinatorics number theory Statement F Codeforces Round 613 (Div. 2) {1285} PROGRAMMING Codeforces Round #613 (Div. 2) Editorial 2800
5589 Necklace Assembly binary search brute force dp greedy number theory Statement E Codeforces Round 650 (Div. 3) {1367} PROGRAMMING Codeforces Round #650 (Div. 3) Editorial