🐣 문제

링크 : https://www.acmicpc.net/problem/5355

🐥 코드

#include <iostream>
#include <vector> 
#include <set>
using namespace std;

int main() {
  int T = 0;
  cin >> T;

  for(int i = 0; i < T; i++){
    float num = 0;
    cin >> num;
    
    while(1){
      char c;
      cin.get(c);
      
      if(c == '@'){
        num *= 3;
      }
      if(c == '%'){
        num += 5;
      }
      if(c == '#'){
        num -= 7;
      }
      if (c == '\n'){
        break;
      }
    }
    cout<<fixed;
    cout.precision(2);
    cout<<num<<"\n";
  }
  
  return 0;
}