Lesson03\PassingCars::solution()

Complexity

Conditions	4
Paths	5

Size

Total Lines	20
Code Lines	13

Duplication

Lines	0
Ratio	0 %

Importance

Changes

0

<?php
    public function solution($A)
    {
        $count = count($A);
        $sum = 0;
        $total = 0;
        for ($i = $count - 1; $i >= 0; $i--) {
            if ($A[$i] == 1) {
                $sum++;
            } else {
                $total += $sum;
            }

            if ($total > 1000000000) {
                $total = -1;
                break;
            }
        }

        return $total;
    }
}