Submission #1115798

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Source Code Expand

#include<bits/stdc++.h>
using namespace std;
long long n2,n1;
int f(long long m)
{
	long long d=m-n1;
	d=max(1LL*0,d);
	long long f=n1,s=n2;
	s-=2*d;
	if(s>=2*m)
	return 1;
	return 0;
}
int main()
{
	long long int n,i,sum=0,p=1,ans=1,d;
	scanf("%lld %lld",&n1,&n2);
	long long start=0,end=1e15,mid;
	while(end-start>1)
	{
		//printf("%lld",mid);
		mid=(start+end)/2;
		if(f(mid))
		{
			start=mid;
		}
		else
		end=mid-1;
	}
	if(f(end))
	printf("%lld",end);
	else if(f(mid))
	printf("%lld",mid);
	else
	printf("%lld",start);
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:17:28: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%lld %lld",&n1,&n2);
                            ^

Judge Result