→ Filter Problems Difficulty: — Add tag Main acmsguru | Problems Submit Status Standings Custom testProblems #Name 2110F Faculty math x287 2110E Melody dfs and similar, graphs x657 2110D Fewer Batteries binary search, dfs and similar, dp, graphs, greedy ...
acmsguru | Problems Submit Status Standings Custom test #Name 2109F Penguin Steps binary search,dfs and similar,flows,graphs,shortest paths x41 2109E Binary String Wowee combinatorics,dp,strings x451 2109D D/D/D dfs and similar,graphs,greedy,shortest paths ...
可以通过 problemset 页面右侧的 Filter Problems 来搜索）
原题指路: codeforces.com/problems 题意 给定一个只包含小写英文字母的字符串 s . 问是否能重排 s 中的字符得到字符串 s′ s.t. 在s′ 中相邻的字符在字母表中不相邻. 若能, 输出任一方案; 否则, 输出 "No answer" . 有t (1≤t≤100) 组测试数据. 每组测试数据给定一个只包含小写英文字母的、长...
Solutions to Codeforces Problems. Contribute to kantuni/Codeforces development by creating an account on GitHub.
Solutions to Codeforces Problems Codeforces Global Round 5 - 1/9 1237A - Balanced Rating Changes - Accepted 1237B - Balanced Tunnel - Accepted 1237C1 - Balanced Removals (Easier) - Accepted 1237C2 - Balanced Removals (Harder) - Wrong answer Educational Codeforces Round 72 - 0/6 1217A - Cre...
You have guessed that the real first problem of the exam is already in front of you. Therefore, you want to choose a set of problems to solve during the exam maximizing your final score in advance. Don't forget that the exam is limited in time, and you must have enough time to solve...
思路:这道题无法用平时0(n^2)的解法来求最长上升子序列,会超时,只能用优化的最长上升子序列算法来求 You are given a problemset consisting of nn problems. The difficulty of the ii -th problem is aiai
The first input line contains a single integern(1 ≤ n ≤ 1000) — the number of problems in the contest. Thennlines contain three integers each, each integer is either0or1. If the first number in the line equals1, then Petya is sure about the problem's solution, otherwise ...
如何选择题目 How to Choose Problems Rating < 2100 Rating >= 2100 测试及对拍 Testing 学习资料及题目 Resources AtCoder 版《挑战程序设计竞赛》 待整理 其他Others Useful Tools Rating and Difficulties Stay Healthy codeforces-go 💭💡🎈 算法Algorithm 由于算法知识点繁杂,将自己学习到的算法、做过的题目...