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
1776 Guard Duty (easy) brute force geometry greedy math Statement E1 Helvetic Coding Contest 2018 online mirror (teams allowed, unrated) {958} PROGRAMMING helvetic-coding-contest-2018-editorial.pdf 1800
2049 Leaving the Bar brute force data structures geometry greedy math sortings Statement C Codeforces Round 492 (Div. 1) [Thanks, uDebug!] {995} PROGRAMMING Editorial for Codeforces Round #492 [Thanks u-Debug!] 2200
1643 Four Points brute force constructive algorithms flows geometry greedy math ternary search Statement E Educational Codeforces Round 99 (Rated for Div. 2) {1455} PROGRAMMING 85186
17655 Black Circles brute force constructive algorithms geometry greedy math Statement C EPIC Institute of Technology Round August 2024 (Div. 1 + Div. 2) {2002} PROGRAMMING 1000.0 EPIC Institute of Technology Round August 2024 (Div. 1 + Div. 2) Editorial
14621 Kevin and Geometry brute force constructive algorithms data structures geometry greedy implementation math two pointers Statement B IAEPC Preliminary Contest (Codeforces Round 999, Div. 1 + Div. 2) {2061} PROGRAMMING 1000.0 IAEPC Preliminary Contest (Codeforces Round 999, Div. 1 + Div. 2) Editorial