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Shoshan

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Sep 3rd, 2007
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  1. bool isPowerOf2(register int n)
  2. {
  3.     if (n <= 0)
  4.         return false;
  5.     while(n != 1)
  6.     {
  7.         if (n & 1)
  8.             return false;
  9.         n >>= 1;
  10.     }
  11.     return true;
  12. }
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