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  1. using System;
  2.  
  3. public class Test
  4. {
  5. 	public static void Main()
  6. 	{
  7. 		var hp = new HP(34, 58);
  8.  
  9.         Console.WriteLine(string.Format("{0}", hp));
  10.         Console.WriteLine(string.Format("{0:P}", hp));
  11. 	}
  12. }
  13.  
  14. class HP : IFormattable
  15. {
  16.     private int _maxHp;
  17.     private int _hp;
  18.  
  19.     public HP (int hp, int maxHp)
  20.     {
  21.         _hp = hp;
  22.         _maxHp = maxHp;
  23.     }
  24.  
  25.     public override String ToString() { return ToString(null, null); }
  26.  
  27.     public string ToString(string format, IFormatProvider fp)
  28.     {
  29.         if (format == null) 
  30.         {
  31.             return string.Format("{0}/{1}", _hp, _maxHp);
  32.         }
  33.  
  34.         if (format == "P") 
  35.         {
  36.             return string.Format("{0:P}", (float)_hp / (float)_maxHp);
  37.         }
  38.  
  39.         throw new FormatException(string.Format("Invalid format string: '{0}'.", format));
  40.     }
  41. }
Success #stdin #stdout 0.03s 33896KB
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34/58
58.62 %
https://ideone.com/g8yoUC
language:
C# (gmcs 5.20.1)
created:
10 years ago
visibility:
public

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