Submission #5209148

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Source Code Expand

#include <bits/stdc++.h>
using namespace std;
 
int main() {
  int n ;
  cin >> n;
  vector<int> x(n);
  vector<int> y(n);
  for (int i = 0; i< n ; i++){
    cin >> x.at(i) >> y.at(i);
  }
  double ans = 0;
  for(int i = 0; i< n ; i++){
    for(int j = 0 ; j < n ; j++){
      if( (x.at(i)-x.at(j))*(x.at(i)-x.at(j)) + (y.at(i)-y.at(j))*(y.at(i)-y.at(j)) > ans){
        ans = (x.at(i)-x.at(j))*(x.at(i)-x.at(j)) + (y.at(i)-y.at(j))*(y.at(i)-y.at(j)) ;
      }
    }
  }
  cout << sqrt(ans) << endl;
}

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