BOJ 34923 - 꼬마 미타 [C++]

문제

링크

풀이

#include <algorithm>
#include <iostream>
#include <string>
using namespace std;
 
inline int calc(const string &s) {
  return (stoi(s.substr(0, 2)) % 12) * 60 + stoi(s.substr(3, 2));
}
 
void solve(void) {
  string s; cin >> s;
  string t; cin >> t;
 
  int a = (calc(t) - calc(s) + 720) % 720;
  int b = (calc(s) - calc(t) + 720) % 720;
 
  cout << min(a, b) * 6;
}
 
int main(void) {
  ios::sync_with_stdio(false);
  cin.tie(nullptr);
 
  solve();
  return 0;
}