Submission #2669139

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Source Code Expand

#include<bits/stdc++.h>
using namespace std;
struct str{
	double x,y;
}point[10000000];
int main(){
	int i,j,n;
	double ans;
	cin>>n;
	for(i=1;i<=n;i++){
		cin>>point[i].x>>point[i].y;
	}
	for(i=1;i<=n;i++){
		for(j=i+1;j<=n;j++){
			ans=max(ans,abs(point[i].x-point[j].x)*abs(point[i].x-point[j].x)+abs(point[i].y-point[j].y)*abs(point[i].y-point[j].y));
		}
	}
	cout<<sqrt(ans)<<endl;
}

Submission Info

Judge Result