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  1. <?php
  2.  
  3. error_reporting(-1);
  4.  
  5. $memoryLeng = 0;
  6. $memoryNumber = 0;
  7. $array = array();
  8. for ($i=0; $i<=19; $i++) {
  9. 	$random = mt_rand(0,1);
  10. 	$array{$i}=$random;
  11. }
  12. print_r($array);
  13. for ($i=0; $i<=19; $i++) {
  14. 	if ($array{$i} == 0) {
  15. 		$leng++;
  16. 		$number=$i;
  17. 		if ($leng > $memoryLeng) { //если длина окажется больше длины в памяти - сохраняем новую длину
  18. 			$memoryLeng=$leng;
  19. 			$memoryNumber=$number-$memoryLeng+1;
  20. 		}
  21. 	} else {
  22. 		$leng=0;
  23. 	}
  24. }
  25. echo "Длина последовательности {$memoryLeng}\nНачинается с {$memoryNumber} элемента";
  26.  
Success #stdin #stdout 0.01s 20568KB
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stdin
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Standard input is empty
stdout
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Array
(
    [0] => 1
    [1] => 0
    [2] => 0
    [3] => 0
    [4] => 0
    [5] => 0
    [6] => 0
    [7] => 1
    [8] => 0
    [9] => 0
    [10] => 0
    [11] => 0
    [12] => 0
    [13] => 1
    [14] => 1
    [15] => 1
    [16] => 0
    [17] => 0
    [18] => 0
    [19] => 0
)
Длина последовательности 6
Начинается с 1 элемента
https://ideone.com/eGrtZH
language:
PHP (php 7.3.5)
created:
9 years ago
visibility:
public

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