BOJ 6469 - Uniform Generator [C++]

문제

링크

풀이

#include <iomanip>
#include <iostream>
using namespace std;
 
bool solve(int s, int m) {
  int seed = 0;
  for (int i=1; i<m; i++) {
    seed = (seed + s) % m;
    if (!seed) return false;
  }
  return true;
}
 
int main(void) {
  ios::sync_with_stdio(false);
  cin.tie(nullptr);
 
  int s, m;
  while (cin >> s >> m) {
    cout << setw(10) << s << setw(10) << m << " ";
    cout << (solve(s, m) ? "Good" : "Bad") << " Choice\n\n";
  }
  return 0;
}