kaminoFactory

<?php
/**
 * Created by PhpStorm.
 * User: Toshiba
 * Date: 12.10.2018 г.
 * Time: 11:54
 */
$lengthOfSequence = intval(readline());
$sequence = readline();
$currentDna = [];
$bestSample = [];

while ($sequence != "Clone them!") {

    $lineDna = preg_replace("/[^0-9]/", "", $sequence);
    $lineDna = str_split($lineDna);

    if (count($lineDna) == $lengthOfSequence) {
        array_push($currentDna, $lineDna);
    }

    $sequence = readline();
}

$index = 1;
$bestStartIndex = $lengthOfSequence;
$bestLength = 0;
$bestSum = 0;

$bestSample = $currentDna[0];
$sum = 0;

for ($i = 0; $i < count($currentDna); $i++) {
    $sum = array_sum($currentDna[$i]);
    $startIndex = $lengthOfSequence;
    $bestLen = 0;
    $len = 0;

    for ($j = 0; $j < count($currentDna[$i]); $j++) {

        if ($currentDna[$i][$j] == 1) {
            $len++;

            if ($j == count($currentDna[$i]) - 1) {

                if ($len > $bestLen) {

                    $bestLen = $len;
                    $startIndex = $j - $len;
                }
                $len = 0;
            }
        } else {

            if ($len > $bestLen) {

                $bestLen = $len;
                $startIndex = $j - $len;
            }
            $len = 0;
        }
    }
    if ($bestLen > $bestLength) {
        $bestLength = $bestLen;
        $index = $i + 1;
        $bestSum = $sum;
        $bestStartIndex = $startIndex;
        $bestSample = $currentDna[$i];
    } elseif ($bestLen == $bestLength) {

        if ($bestStartIndex > $startIndex) {
            $index = $i + 1;
            $bestSum = $sum;
            $bestStartIndex = $startIndex;
            $bestSample = $currentDna[$i];
        } elseif ($bestStartIndex == $startIndex) {
            if ($bestSum < $sum) {
                $index = $i + 1;
                $bestSum = $sum;
                $bestSample = $currentDna[$i];
            }
        }
    }
}
echo "Best DNA sample $index with sum: $bestSum." . PHP_EOL;
foreach ($bestSample as $dna) {
    echo $dna . " ";
}