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  1. #include <iostream>
  2. #include <string>
  3. using namespace std;
  4.  
  5. int main(void)
  6. {
  7. 	int t;
  8. 	cin >> t;
  9.  
  10. 	for(int pk = 1; pk <= t; pk++)
  11. 	{
  12. 		double n;
  13. 		string unit;
  14. 		cin >> n >> unit;
  15.  
  16. 		if (unit == "kg")
  17. 		{
  18. 			n *= 2.2046;
  19. 			unit = "lb";
  20. 		}
  21. 		else if (unit == "l")
  22. 		{
  23. 			n *= 0.2642;
  24. 			unit = "g";
  25. 		}
  26. 		else if (unit == "lb")
  27. 		{
  28. 			n *= 0.4536;
  29. 			unit = "kg";
  30. 		}
  31. 		else if (unit == "g")
  32. 		{
  33. 			n *= 3.7854;
  34. 			unit = "l";
  35. 		}
  36. 		cout << fixed;			//소수점이하 수 출력
  37. 		cout.precision(4);		//4자리까지
  38. 		cout << pk << " " << n << " " << unit << endl;
  39. 	}
  40. }
Success #stdin #stdout 0.01s 5692KB
comments (?)
stdin
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5
1 kg
2 l
7 lb
3.5 g
0 l
stdout
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1 2.2046 lb
2 0.5284 g
3 3.1752 kg
4 13.2489 l
5 0.0000 g
https://ideone.com/qLIqiG
language:
C++ (gcc 8.3)
created:
3 years ago
visibility:
public

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