Just PHP FUN 151.

find_uniq.php

<?php
# https://www.codewars.com/kata/585d7d5adb20cf33cb000235 Find the unique number.
function find_uniq($a) {
  $a_ = $a[0]; $b_ = $a[1]; $c_ = $a[2];
  if($a_ != $b_ && $a_ != $c_) return $a_;
  if($b_ != $a_ && $b_ != $c_) return $b_;
  if($c_ != $a_ && $c_ != $b_) return $c_;
  $not = $a_;
  $size = count($a);
  for($i = 3; $i < $size; $i++)
    if($not != $a[$i]) return $a[$i];
  throw new Exception('No answer.');
}

just_php_fun_151.md

Just PHP FUN 151.

• https://www.codewars.com/kata/585d7d5adb20cf33cb000235 Find the unique number

Started at 23:41 14.11.2020 Saturday.
Finished at 01:13 15.11.2020 Sunday.