BOJ 2712 - 미국 스타일 [C++]

문제

링크

풀이

#include <iostream>
#include <string>
#include <iomanip>
using namespace std;
 
void solve(void) {
  double n; string s; cin >> n >> s;
 
  cout << fixed << setprecision(4);
  if (s == "kg") cout << n * 2.2046 << " lb\n";
  else if (s == "lb") cout << n * 0.4536 << " kg\n";
  else if (s == "l") cout << n * 0.2642 << " g\n";
  else if (s == "g") cout << n * 3.7854 << " l\n";
}
 
int main(void) {
  ios::sync_with_stdio(false);
  cin.tie(nullptr);
 
  int t; cin >> t;
  while (t--) solve();
  return 0;
}