문제

링크

풀이

#include <iostream>
using namespace std;
 
void solve(void) {
  int t1, m1, t2, m2; cin >> t1 >> m1 >> t2 >> m2;
 
  int ans = (60 * (t2 - t1) + (m2 - m1) + 1440) % 1440;
  cout << ans << " " << ans / 30;
}
 
int main(void) {
  ios::sync_with_stdio(false);
  cin.tie(nullptr);
 
  solve();
  return 0;
}