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  1. <?php
  2.  
  3. function getTwoMaxOfArray(array $array) {
  4.     $arrCount = count($array);
  5.     if ($arrCount < 3) {
  6.         return $array;
  7.     }
  8.  
  9.     $firstMax = $array[0];
  10.     $secondMax = $array[0];
  11.     for ($i = 1; $i < $arrCount; $i++) {
  12.         if ($array[$i] === $firstMax || $array[$i] === $secondMax) {
  13.             continue;
  14.         }
  15.         if ($array[$i] > $firstMax) {
  16.             $secondMax = $firstMax;
  17.             $firstMax = $array[$i];
  18.         } elseif ($array[$i] > $secondMax || $secondMax === $firstMax) {
  19.             $secondMax = $array[$i];
  20.         }
  21.     }
  22.  
  23.     return [$firstMax, $secondMax];
  24. }
  25.  
  26. assert([] === getTwoMaxOfArray([]));
  27. assert([1] === getTwoMaxOfArray([1]));
  28. assert([2, 1] === getTwoMaxOfArray([2, 1]));
  29. assert([4, 3] === getTwoMaxOfArray([2, 3, 4]));
  30. assert([3, 2] === getTwoMaxOfArray([1, 2, 2, 2, 3, 3]));
  31. assert([3, 1] === getTwoMaxOfArray([1, 1, 1, 3, 3]));
  32. assert([3, 2] === getTwoMaxOfArray([3, 3, 3, 2, 2, 1, 1, 1]));
  33. assert([3, 2] === getTwoMaxOfArray([3, 3, 3, 2]));
  34. assert([3, 2] === getTwoMaxOfArray([3, 2, 1]));
  35. assert([3, 2] === getTwoMaxOfArray([1, 2, 3]));
  36.  
  37.  
Success #stdin #stdout 0.01s 52488KB
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https://ideone.com/LSTgO2
language:
PHP (php 7.3.5)
created:
7 years ago
visibility:
public

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