Submission #1118645

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Source Code Expand

#include <cstdio>
#include <cstdlib>
#include <algorithm>
#include <vector>
#include <cstring>

using namespace std;
typedef long long int ll;

int main()
{
	ll N,M;
	scanf("%lld %lld",&M,&N);
	ll L=0,R=N+M;
	while(R-L>1)
	{
		ll m=(L+R)/2;
		
		ll c=max(0LL,m-M);
		if(N-2LL*c>=2LL*m) L=m;
		else R=m;
	}
	printf("%lld\n",L);
	return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:13:26: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%lld %lld",&M,&N);
                          ^

Judge Result