문제

링크

풀이

#include <iostream>
using namespace std;
 
void solve(void) {
  double a, m; cin >> a >> m;
 
  cout << (int)(a * m * 0.00176) << "\n";
}
 
int main(void) {
  ios::sync_with_stdio(false);
  cin.tie(nullptr);
 
  int q; cin >> q;
  while (q--) solve();
  return 0;
}