ellapt

OddNumber

Dec 18th, 2012
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  1. using System;
  2. class OddNumber
  3. {
  4. static void Main(string[] args)
  5. {
  6. int n = int.Parse(Console.ReadLine());
  7. long oddNumber = 0;
  8. for (int i = 1; i <= n; i++)
  9. {
  10. long number = long.Parse(Console.ReadLine());
  11. oddNumber ^= number;
  12. }
  13. Console.WriteLine(oddNumber);
  14.  
  15. }
  16. }
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