Submission #5442580

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Source Code Expand

#pragma GCC optimize(3)
#pragma GCC optimize("inline")
#pragma once
#include<bits/stdc++.h>
#define q register
typedef long long ll;
using namespace std;
ll h1,h2,ans;
inline ll qread()
{
	q char ch=getchar();
	q ll v=0,sign=1;
	while(ch<'0'||ch>'9'){
		if(ch=='-')   sign=-1;
		   ch=getchar();
	}
	while(ch>='0'&&ch<='9'){
		v=v*10+ch-'0';
		   ch=getchar();
	}
	return v*sign;
}
inline void qwrite(ll v)
{
	if(v<0){
		putchar('-');
		   v=-v;
	}
	if(v>9)   qwrite(v/10);
	putchar(v%10+'0');
}
int main()
{
	h1=qread();
	h2=qread();
	ans=h1-h2;
	qwrite(ans);
	putchar('\n');
	return 0;
}

Submission Info

Compile Error

./Main.cpp:3:9: warning: #pragma once in main file
 #pragma once
         ^

Judge Result