siyu

二进制枚举 ………….. //二进制枚举 void subset(bool vis[],int& n){ for(int i=0;i<(1<<n);i++){ memset(vis,0,sizeof(vis)); for(int j=0;j<n;j++){ if(i&(1<<...

Beautiful Now 题目传送门 #include <iostream> #include <fstream> #include <cstdio> #include <cstring> #include <queue> #include <stack> #include <vector> #include