Submission #5278091

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Source Code Expand

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

int main() {
  int n;
  cin >> n;
  vector<vector<int>> xy(n, vector<int>(2));
  for (int i = 0; i < n; i++) {
    int x, y;
    cin >> x >> y;
    xy.at(i).at(0) = x;
    xy.at(i).at(1) = y;
  }
  
  double max_dis = 0;
  for (int i = 0; i < n - 1; i++) {
    for (int j = i + 1; j < n; j++) {
      double dis = sqrt(pow((xy.at(i).at(0) - xy.at(j).at(0)), 2.0) + pow((xy.at(i).at(1) - xy.at(j).at(1)), 2.0));
      max_dis = max(max_dis, dis);
    }
  }
  cout << max_dis << endl;
}

Submission Info

Judge Result