Submission #5296543

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Source Code Expand

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

int main(){
  int N;
  cin >> N;
  vector<pair<int, int>> P(N);
  for(int i = 0; i < N; i++){
    cin >> P[i].first;
    cin >> P[i].second;
  }
  int ans2 = 0;
  for(int i = 0; i < N; i++){
    for(int j = i + 1; j < N; j++){
      int x1 = P[i].first;
      int y1 = P[i].second;
      int x2 = P[j].first;
      int y2 = P[j].second;
      ans2 = max((x1-x2) * (x1-x2) + (y1-y2)*(y1-y2), ans2);
    }
  }
  cout << std::setprecision(8) << sqrt(ans2) << endl;
}

Submission Info

Judge Result