Submission #2704781

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Source Code Expand

#include <bits/stdc++.h>
#include <math.h>
using namespace std;

int main(void){
	int N;
	double maxL=0;
	cin >> N;
	vector<int> x(N),y(N);
	for(int i=0;i<N;i++){
      cin >> x.at(i) >> y.at(i);
    }
    
    for(int i=0;i<N;i++){
    	for(int j=i+1;j<N;j++){
    		if(maxL<pow(x.at(j)-x.at(i), 2.0)+pow(y.at(j)-y.at(i), 2.0))
    		maxL=pow(x.at(j)-x.at(i), 2.0)+pow(y.at(j)-y.at(i), 2.0);
		}
	}

	cout << sqrt(maxL) << endl;

	return 0;
}

Submission Info

Judge Result