MaxProductOfThree Demo Task at Codility.com

Lesson 4 – Sorting – MaxProductOfThree 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: https://codility.com/demo/take-sample-test/max_product_of_three

Solution in php:

function solution($A) {
    $cnt = count($A);
    sort($A, SORT_NUMERIC);
    return max($A[0]*$A[1]*$A[$cnt-1], $A[$cnt-1]*$A[$cnt-2]*$A[$cnt-3]);
}

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

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