Submission #3232048

---

Source Code Expand

#include <iostream>
#include <string>
#include <vector>
#include <complex>
using namespace std;

double max (double a, double b) {
  if (a >= b)  return a;
  else return b;
}

int exponential (int a) {
  return a * a;
}

double length(int x1, int y1, int x2, int y2) {
  double c = sqrt(exponential(x2 - x1) + exponential(y2 - y1));
  return c;
}

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);
  }
  
  vector<double> len(N*N);
  int count = 0;
  for (int i=0; i<N; ++i) {
    for (int j=0; j<N; ++j) {
      len.at(count) = length(x[i], y[i], x[j], y[j]);
      ++count;
    }
  }

  double m = 0;
  for (int i=0; i<len.size(); ++i) {
    m = max(len.at(i), m);
  }

  cout << m << endl;

}

Submission Info

Judge Result