C++做题模板：

#pragma GCC target ("avx")
#pragma GCC optimize (2, 3, "Ofast", "inline", "-ffast-math")
#define IOS ios::sync_with_stdio(false);cin.tie(0);cout.tie(0);

#include<iostream>
using namespace std;

int main() {
	
	return 0;
}

C语言做题模板：

#pragma GCC target ("avx")
#pragma GCC optimize (2, 3, "Ofast", "inline", "-ffast-math")

#include<stdio.h>

int main(){
	
	return 0;
}