Codility.com Tests 100/100 Solutions
Lesson 8 – Prime and composite numbers – CountFactors 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/count_factors
Solution in php:
function solution($N) {
$result = 0;
$sqrtN = intval(sqrt($N));
$i = 1;
while($i <= $sqrtN){
if($N % $i == 0){
$result += 2;
}
$i++;
}
if($sqrtN * $sqrtN == $N){
$result--;
}
return $result;
}
Given “AS IS”, can be ported from other languages from solutions found on the internet, please use with care.
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