Submission #6429898

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Source Code Expand

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

int main(){
  int n; cin >> n;
  int ans = 0;
  
  vector<pair<int, int>> r(n);
  
  for(int i = 0; i < n; i++){
    
    int x, y; cin >> x >> y;
    r.at(i) = make_pair(x, y);
    
  }
  
  for(int i = 0; i < n; i++){
    for(int j = i + 1; j < n; j++){
      int dist = (r.at(i).first - r.at(j).first) * (r.at(i).first - r.at(j).first)
        + (r.at(i).second - r.at(j).second) * (r.at(i).second - r.at(j).second);
      ans = max(ans, dist);
    }
  }
  
  //ans = static_cast<double>(ans);
  cout << sqrt(ans) << endl;
  
}

Submission Info

Judge Result