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  1. <?php
  2.  $N = 10;
  3.  $SUM = ($N & ($N % 2 ? 0 : ~0) | ( (($N & 2)>>1) ^ ($N & 1) ) );
  4.  echo "$SUM";
Success #stdin #stdout 0.01s 20520KB
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stdin 
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stdout 
11
https://ideone.com/mQbmwC
language:
PHP (php 7.3.5)
created:
11 years ago
visibility:
secret

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