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TapeEquilibrium Demo Task at Codility.com

codility netbeansLesson 1 – Time Complexity – TapeEquilibrium 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/c/run/demoFKRFBE-5SC

Solution in php:

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

2 thoughts on “TapeEquilibrium Demo Task at Codility.com

  1. Chepry

    You’re using unnecessary array. Check this out:

    function solution($A) {
    $keys = count($A);
    $left = $A[0];
    $right = array_sum($A) – $left;
    $min = abs($left – $right);
    for ($i = 1; $i < $keys – 1; $i++) {
    $left += $A[$i];
    $right -= $A[$i];
    $diff = abs($left – $right);
    $min = ($diff < $min) ? $diff : $min;
    return $min;

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