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PassingCars Demo Task at Codility.com

codility netbeansLesson 3 – Prefix Sums – PassingCars demo task solution code written in php. Gives 100/100 score at the time of publishing. The description of the problem is copyrighted, so please see the following link for it: //codility.com/demo/take-sample-test/passing_cars

Solution in php:

function solution($A){
    $east    = 0;
    $passing = 0;
    foreach($A as &$v){
        if($v == 1){
            $passing += $east;
    if($passing > 1000000000 || $passing < 0){
        return -1;
        return intval($passing);

Given “AS IS”, can be ported from other languages from solutions found on the internet, please use with care.

Please note: we think that codility.com does not give a correct assessment of your real-world programming skills. For instance, reading the below would bring more understanding why: //codility-test-questions.blogspot.com/2013/01/my-experience-with-codility-test.html

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