Tekijät

#include <iostream>
#include <vector>

using namespace std;

int n;
vector<int> v;

int syt(int a, int b) {
  if (b == 0) return a;
  else return syt(b, a%b);
}

int main() {
  cin >> n;
  v.resize(n);
  for (auto& i : v) cin >> i;

  int c = 0;
  for (int i = 0; i < n; i++) {
    for (int j = i+1; j < n; j++) {
      if (syt(v[i], v[j]) == 1) c++;
    }
  }

  cout << c << "\n";
}

Test 1

Group: 1, 2, 3

Verdict: ACCEPTED

Test 2

Group: 1, 2, 3

Verdict: ACCEPTED

Test 3

Group: 2, 3

Verdict: TIME LIMIT EXCEEDED

Test 4

Group: 3

Verdict: TIME LIMIT EXCEEDED

Test 5

Group: 3

Verdict: TIME LIMIT EXCEEDED

Test 6

Group: 3

Verdict: TIME LIMIT EXCEEDED

Test 7

Group: 3

Verdict: TIME LIMIT EXCEEDED