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  1. using System;
  2. using System.Linq;
  3.  
  4. public class Test
  5. {
  6. 	public static void Main()
  7. 	{
  8. 		Console.WriteLine(BaseConvert("8418CFEE73FA22E6AB0760C73A496497C6C347DA88A9F63B95FE1E1D6A350AA1D7D3A9EE870795AECC3C109AA8B4A78C", 16, 36));
  9. 	}
  10. 	public static string BaseConvert(string number, int fromBase, int toBase)
  11. 	{
  12. 	    var digits = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
  13. 	    var length = number.Length;
  14. 	    var result = string.Empty;
  15.  
  16. 	    var nibbles = number.Select(c => digits.IndexOf(c)).ToList();
  17. 	    int newlen;
  18. 	    do {
  19. 	        var value = 0;
  20. 	        newlen = 0;
  21.  
  22. 	        for (var i = 0; i < length; ++i) {
  23. 	            value = value * fromBase + nibbles[i];
  24. 	            if (value >= toBase) {
  25. 	                if (newlen == nibbles.Count) {
  26. 	                    nibbles.Add(0);
  27. 	                }
  28. 	                nibbles[newlen++] = value / toBase;
  29. 	                value %= toBase;
  30. 	            }
  31. 	            else if (newlen > 0) {
  32. 	                if (newlen == nibbles.Count) {
  33. 	                    nibbles.Add(0);
  34. 	                }
  35. 	                nibbles[newlen++] = 0;
  36. 	            }
  37. 	        }
  38. 	        length = newlen;
  39. 	        result = digits[value] + result; //
  40. 	    }
  41. 	    while (newlen != 0);
  42.  
  43. 	    return result;
  44. 	}
  45. }
Success #stdin #stdout 0.02s 33888KB
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stdin
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Standard input is empty
stdout
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1DWCLWKQZK16WMKIIEYVLLXA9E4OQ64P80KDOH4ALCYRCYCTKRUHQRXTM6HLDEV78E6APXQV1JG
https://ideone.com/nDun6s
language:
C# (gmcs 5.20.1)
created:
10 years ago
visibility:
public

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