CodeForces 1406 - Codeforces Round #670 (Div. 2)
一场 div. 2 就能超过大号这样。 比赛结束前 5min E 交上去 WA 了，于是弃了，看了眼 ...
原文：Codeforces Round #670 (Div. 2) 深夜掉分（A - C题补题）
A. Subset Mex https: codeforces.com contest problem A Example input output Note In the first test case, A , , ,B , , is a possible choice. In the second test case, A , , ,B is a possible choice. In t ...
2020-09-13 00:50 3 336 推荐指数：
相关推荐
【题解】 Codeforces Round #670 (Div. 2)
人生巅峰，这是我第一次 \(\textrm{AK div2}\)！ 一场 \(\textrm{div2}\) 让我信心大增，感谢中国同胞!!! Link \(\textrm{to Codeforces}\)。 Contest A. Subset Mex Legend 给定 ...
Codeforces Beta Round #6 (Div. 2 Only) C. Alice, Bob and Chocolate 水题
C. Alice, Bob and Chocolate 题目连接： http://codeforces.com/contest/6/problem/C Description Alice and Bob like games. And now they are ready ...
Educational Codeforces Round 111 (Rated for Div. 2) C. Manhattan Subarrays（思维/暴力/好题）
Suppose you have two points 𝑝=(𝑥𝑝,𝑦𝑝)p=(xp,yp) and 𝑞=(𝑥𝑞,𝑦𝑞)q=(xq,yq). Let's denote the Ma ...
Codeforces Round #634 (Div. 3) 题解 (全部7题)
目录 A. Candies and Two Sisters B. Construct the String C. Two Teams Composing D. Anti-Sudoku E2. Three Blocks Palindrome (hard ...
Codeforces Round #638 (Div. 2) 题解 (全部6题)
目录 A. Phoenix and Balance B. Phoenix and Beauty C. Phoenix and Distribution D. Phoenix and Science E. Phoenix and Berries F. ...
Codeforces Round #629 (Div. 3) 题解 (全部6题)
目录 A. Divisibility Problem B. K-th Beautiful String C. Ternary XOR D. Carousel E. Tree Queries F. Make k Equal 比赛链接：https ...
Codeforces Round #636 (Div. 3) 题解 (全部6题)
目录 A. Candies B. Balanced Array C. Alternating Subsequence D. Constant Palindrome Sum E. Weights Distributing F. Restore ...