Lang:G++
Edit12345678910111213141516171819202122232425262728293031/*************************************************************************>>> Author: WindCry1>>> Mail: lanceyu120@gmail.com>>> Website: https://windcry1.com>>> Date: 7/21/2019 10:13:30 AM*************************************************************************/#include<cstring>#include<cmath>#include<cstdio>#include<cctype>#include<cstdlib>#include<ctime>#include<vector>#include<iostream>#include<string>#include<queue>#include<set>#include<map>#include<algorithm>#include<complex>#include<stack>#include<bitset>#include<iomanip>#include<list>#if __cplusplus >= 201103L#include<unordered_map>#include<unordered_set>#endif#define ll long long#define ull unsigned long longusing namespace std;