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  1. <?php
  2. mb_internal_encoding("UTF-8");
  3. $apples = array(
  4.     200,
  5.     200,
  6.     100
  7.  
  8.  
  9.  
  10. );
  11. function doApple($n, $array)
  12. {
  13.  
  14.     $summary      = array_sum($array);
  15.     $half         = $summary / 2;
  16.     $half2        = $half;
  17.     $apples2      = array();
  18.     $apples2      = array_count_values($array);
  19.     $summary_mass = 0;
  20.     foreach ($apples2 as $mass => &$count) {
  21.         if ($count != 0) {
  22.  
  23.             $arg = floor($half / $mass);
  24.             $arg = min ($arg, $count);
  25.             $half -= $arg * $mass;
  26.             $count -= $arg;
  27.             $summary_mass += $arg * $mass;
  28.  
  29.         }
  30.  
  31.  
  32.     }
  33.     if ($summary_mass == $half2) {
  34.         return "Yes\n";
  35.     } else {
  36.         return "No\n";
  37.     }
  38.  
  39.  
  40. }
  41. echo doApple(3, $apples);
Success #stdin #stdout 0.01s 20520KB
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https://ideone.com/8LMmSU
language:
PHP (php 7.3.5)
created:
9 years ago
visibility:
public

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