Submission #2304643

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Source Code Expand

#include <cstdio>
#include <cmath>
double ans;
int x[105],y[105],n;
double dis(int i,int j) {
	return (x[i]-x[j])*(x[i]-x[j])+(y[i]-y[j])*(y[i]-y[j]);
}
int main() {
	scanf("%d",&n);
	for(int i=1;i<=n;i++)
		scanf("%d%d",&x[i],&y[i]);
	for(int i=1;i<=n;i++)
		for(int j=i+1;j<=n;j++)
			ans=ans<dis(i,j)?dis(i,j):ans;
	printf("%.6lf\n",sqrt(ans));
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:9:16: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d",&n);
                ^
./Main.cpp:11:28: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d%d",&x[i],&y[i]);
                            ^

Judge Result