csp防爆零头文件

#include<bits/stdc++.h>//耗时较长 
//#include<cstdio>
//#include<iostream> 
using namespace std;
#define f(x,y) for(long long i=x;i<=y;i++)
#define ff(x,y) for(long long j=x;j<=y;j++)
#define int long long 
const int N=1e6+5;
signed main(){
    //freopen("题目名.in","r",stdin);
    //freopen("题目名.out","w",stdout);
    
    //fclose(stdin);
    //fclose(stdout);
    return 0;
}