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stak441

Methods - 7 - ReverseDigits

Jan 18th, 2013
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C# 0.95 KB | None | 0 0
  1. using System;
  2. using System.Collections.Generic;
  3. using System.Linq;
  4. using System.Text;
  5.  
  6. namespace _07.ReverseDigits
  7. {
  8.     class ReverseDigits
  9.     {
  10.         static void Main(string[] args)
  11.         {
  12.             int number = 256;
  13.            
  14.             int reversed = ReverseNumber(number);
  15.             Console.WriteLine(reversed);
  16.         }
  17.  
  18.         static int ReverseNumber(int number)
  19.         {
  20.             List<int> digitList = new List<int>();
  21.             int reversed = 0;
  22.  
  23.             for (int i = number; i != 0; i /= 10)             //The check condition is !=0 (not > 0) in order to work for negatives numbers
  24.             {
  25.                 digitList.Add(i % 10);
  26.             }
  27.  
  28.             for (int i = digitList.Count - 1, multiplicator = 1; i >= 0 ; i--, multiplicator *= 10)
  29.             {
  30.                 reversed += digitList[i] * multiplicator;
  31.             }
  32.            
  33.             return reversed;
  34.  
  35.         }
  36.     }
  37. }
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