Submission #22921

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Source Code Expand

#include<iostream>
#include<cstdio>
#include<complex>
using namespace std;

#define rep(i, n) for(int i = 0; i < (int)n; i++)

int main(){
	int n, x[100], y[100];
	cin >> n;
	double mx = 0;
	rep(i, n) cin >> x[i] >> y[i];
	rep(i, n) rep(j, i){
		mx = max(mx, hypot(x[i] - x[j], y[i] - y[j]));
	}
	printf("%.9f\n", mx);
	return 0;
}

Submission Info

Judge Result