Submission #3131801

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Source Code Expand

#include<stdio.h>
#include<cmath>
using namespace std;
int n,i,j;
double x[10005],y[10005],max;
int main ()
{
	scanf("%d",&n);
	for(i=1;i<=n;i++)
	{
		scanf("%lf%lf",&x[i],&y[i]);
	}
	for(i=1;i<n;i++)
	{
		for(j=i+1;j<=n;j++)
		{
			double ans=sqrt((x[i]-x[j])*(x[i]-x[j])+(y[i]-y[j])*(y[i]-y[j]));
			if(ans>max)
			max=ans;
		}
	}
	printf("%.6lf\n",max);
	return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:8:16: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d",&n);
                ^
./Main.cpp:11:30: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%lf%lf",&x[i],&y[i]);
                              ^

Judge Result