Codeforces Round #702 (Div. 3) ( A~F) A. Dense Array 思路: 找到不满足条件的数对,小数取两倍与大数比较,统计可插入次数。 B. Balanced Remainders 思路: 三个计数器,统计每种余数的个数。考虑到,加1操作后余数的改变是有规律的。(以八为例:8%3=2, (8+1)%3=0,余数 2——>0,其他,
4. Codeforces Round #744 (Div. 3) F. Array Stabilization (AND version) (优先队列)(2) 5. Codeforces Round #672 (Div. 2 B. Rock and Lever (位运算)(2) 推荐排行榜 1. c++ 向上取整和向下取整(3) 2. Codeforces Round #744 (Div. 3) F. Array Stabilization (AND version) (优先队...
#include<set> #include #include<queue> #include<stack> #include<cmath> #include<cstdio> #include<vector> #include<string> #include<cstring> #include<iostream> #include<algorithm> #include<unordered_map> #define fi first #define se second #define debug printf(" I am here\n"); using name...
D. Balanced Playlist https://codeforces.com/contest/1237/problem/D Every morning, you choose a track. The playlist then starts playing from this track in its usual cyclic fashion. At any moment, you remember the maximum coolness x of already played tracks. Once you hear that a track with ...
Codeforces Round #544(Div. 3)--C Balanced Team(map的简单运用),BalancedTeamtimelimitpertest2secondsmemorylimitpertest256megabytes题目链接https://codeforces.com/contest/1133/problem/CYouareacoachatyourlocaluniversity.Therearenstudentsundery...
【Codeforces Round #668 (Div. 2) C】Balanced Bitstring 点我呀 翻译 给你一个长度为\(n\)的字符串,让你判断这个字符串中是否每个长度为\(k\)的子串中\(0\)和\(1\)的个数都相同 这个字符串中只会包含\(0\)和\(1\)还有?, 这里的?是通配符。
简介:Educational Codeforces Round 113 (Rated for Div. 2)A. Balanced Substring 一些话 开始刷cf思维题,第一道题就被狠狠薄纱了,看到题目以为是双指针,后来发现比较类似于零一串问题,顺着01串思路没写出来,看题解发现题目只要随意输出一段ab相等的子序列就行了 ...
https://codeforces.com/contest/1237/problem/F key to come up with solution is that we need to realize the importance of iterating two kinds of dominos,both horizontal and vertical, or we won't satisfy the requirement of total answer description you are given a square grid n∗mn∗m ....
原题链接:https://codeforces.com/contest/1405/problems 测试样例 input 9 6 4 100110 3 2 1?1 3 2 1?0 4 4 ??? 7 4 1?0??1? 10 10 11??11??11 4 2 1??1 4 4 ?0?0 6 2 ???00 output YES YES NO YES YES NO NO
Codeforces Round #636 B. Balanced Array(水) You are given a positive integer nn , it is guaranteed that nn is even (i.e. divisible by 22 ). You want to construct the array aa of length nn such that: The first n2n2 elements of aa are even (divisible by 22 ); the second n2n...