原创 hdoj 2476 String painter

原題: There are two strings A and B with equal length. Both strings are made up of lower case letters. Now you have

原创 leetcode 1139 最大的以 1 爲邊界的正方形

原題: 給你一個由若干 0 和 1 組成的二維網格 grid,請你找出邊界全部由 1 組成的最大 正方形 子網格,並返回該子網格中的元素數量。如果不存在,則返回 0。 示例 1: 輸入:grid = [[1,1,1],[1,0,1

原创 cf Codeforces Round #544 E. K Balanced Teams

原題: E. K Balanced Teams time limit per test 3 seconds memory limit per test 256 megabytes input standard input outp

原创 cf Codeforces Round #544 C. Balanced Team

原題: C. Balanced Team time limit per test 2 seconds memory limit per test 256 megabytes input standard input output

原创 cf Educational Codeforces Round 80 E. Messenger Simulator

E. Messenger Simulator time limit per test 3 seconds memory limit per test 256 megabytes input standard input outpu

原创 cf Educational Codeforces Round 65 C. News Distribution

原題: C. News Distribution time limit per test 2 seconds memory limit per test 256 megabytes input standard input out

原创 cf Codeforces Round #544 D. Zero Quantity Maximization

原題: D. Zero Quantity Maximization time limit per test 2 seconds memory limit per test 256 megabytes input standard

原创 cf Educational Codeforces Round 78 E. Tests for problem D

原題: E. Tests for problem D time limit per test 2 seconds memory limit per test 256 megabytes input standard input o

原创 zoj 3469

原題: When we are focusing on solving problems, we usually prefer to stay in front of computers rather than go out fo

原创 cf Educational Codeforces Round 62 C. Playlist

原題: C. Playlist time limit per test 2 seconds memory limit per test 256 megabytes input standard input output stand

原创 cf Educational Codeforces Round 65 D. Bicolored RBS

原題: D. Bicolored RBS time limit per test 2 seconds memory limit per test 256 megabytes input standard input output

原创 cf Educational Codeforces Round 78 B. A and B

原題: B. A and B time limit per test 1 second memory limit per test 256 megabytes input standard input output standar

原创 cf Educational Codeforces Round 77 E. Tournament

原題: E. Tournament time limit per test2 seconds memory limit per test256 megabytes inputstandard input outputstandar

原创 cf Codeforces Round #544 F2. Spanning Tree with One Fixed Degree

原題: F2. Spanning Tree with One Fixed Degree time limit per test 3 seconds memory limit per test 256 megabytes input

原创 cf Codeforces Round #544

原題: F1. Spanning Tree with Maximum Degree time limit per test 3 seconds memory limit per test 256 megabytes input s