Submission #4146904

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Source Code Expand

#include<bits/stdc++.h>
using namespace std;
double dist(int x1,int y1,int x2,int y2) {
	return sqrt((x1-x2)*(x1-x2)+(y1-y2)*(y1-y2));
}
int n,x[101],y[101];
double ans;
int main() {
	cin>>n;
	for(int i=1; i<=n; i++)
		cin>>x[i]>>y[i];
	for(int i=1; i<=n; i++)
		for(int j=i+1; j<=n; j++)
			ans=max(ans,dist(x[i],y[i],x[j],y[j]));
	cout.unsetf(ios::fixed);
	cout<<setprecision(6)<<ans;
	return 0;
}

Submission Info

Judge Result