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  1. <?php
  2.     header('Content-type: text/plain; charset=utf-8');
  3.     $digits=array(11,10,18,7,14,17,12,11);
  4.     $size = count($digits);
  5.     $sum = array_sum($digits);
  6.     for ($i = 0; $i < $size-1; $i++) {
  7.         $new_digits = array();
  8.         for ($j = $i; $j < $size-1; $j++) {
  9.             $new_digits[] = $digits[$j];
  10.             $new_digits_sum = array_sum($new_digits);
  11.             if ($new_digits_sum*2 == $sum) {
  12.                 $str = implode("+", $new_digits);
  13.                 echo $str." = ";
  14.                 $another_new_digits = array();
  15.                 for ($q = 0; $q < $i; $q++) {
  16.                     $another_new_digits[] = $digits[$q];
  17.                 }
  18.                 for ($q = $j + 1; $q < $size; $q++)
  19.                 {
  20.                     $another_new_digits[] = $digits[$q];
  21.                 }
  22.                 $str = implode("+", $another_new_digits);
  23.                 echo $str."\n";
  24.             }
  25.             if ($new_digits_sum == 100) {
  26.                 $str = implode("+", $new_digits);
  27.                 echo $str." = 100\n";
  28.             }
  29.         }
  30.     }
  31.     if ($sum == 100) {
  32.     $str = implode("+", $digits);
  33.     echo $str." = 100\n";
  34.     }
  35. ?>
Success #stdin #stdout 0.01s 20520KB
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7+14+17+12 = 11+10+18+11
11+10+18+7+14+17+12+11 = 100
https://ideone.com/YCOMqF
language:
PHP (php 7.3.5)
created:
10 years ago
visibility:
public

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