Submission #5201131

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Source Code Expand

#include <iostream>
#include <vector>
#include <math.h>

using namespace std;

double getDistance(pair<int, int> dot1, pair<int, int> dot2){
	int xDistance = pow( abs(dot1.first-dot2.first), 2);
	int yDistance = pow( abs(dot1.second-dot2.second), 2);
	return sqrt(xDistance+yDistance);
}

int main(){
	int N;
	cin >> N;
	
	vector< pair<int,int> > XY(N);
	for(int i=0;i<N;i++){
		cin >> XY[i].first >> XY[i].second;
	}
	
	double ans = 0;
	for(int i=0;i<N-1;i++){
		for(int j=i+1;j<N;j++){
			ans = max(ans, getDistance(XY[i], XY[j]));
		}
	}
	cout << ans << endl;
}

Submission Info

Judge Result