BOJ 27566 - Blueberry Waffle [C++]

문제

링크

풀이

#include <iostream>
using namespace std;
 
void solve(void) {
  int r, f; cin >> r >> f;
 
  cout << ((f + r / 2) / r & 1 ? "down" : "up");
}
 
int main(void) {
  ios::sync_with_stdio(false);
  cin.tie(nullptr);
 
  solve();
  return 0;
}