代码起手式

#include<bits/stdc++.h>
#define il inline 
#define re register
#define ll long long
using namespace std;
const int N=1e6+10,INF=INT_MAX;
#define gc() getchar()
il int rd(){
	int x=0,f=1;
	char ch=gc();
	while(!isdigit(ch)){if(ch=='-')f=-1;ch=gc();}
	while(isdigit(ch))x=(x<<3)+(x<<1)+(ch^48),ch=gc();
	return x*f;
}
void Main(){
	
}
signed main(){
//	freopen(".in","r",stdin);
//	freopen(".out","w",stdout);
	int T=1;
	while(T--)Main();
	return 0;
}