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Jan 22nd, 2019
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PHP 0.26 KB | None | 0 0
  1. <?php
  2. function isPowerOfTwo ($num) {
  3.  
  4.   $log = log($num,2);
  5.   $diff = $log - round($log);
  6.   $diff == 0 ? $output = "Число является степенью двойки" : $output = "Число — не степень двойки";
  7.  
  8.   return $output;
  9. }
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