Practice Real Company Assessment Patterns • Latest 2025–2026 Mock Tests

Programming Exercises

Write a PHP script to check if a number is a perfect square.

Medium

Problem Statement

Write a PHP script to check if a number is a perfect square.

Sample Input

16

Sample Output

true

Limits

Time: 2s · Memory: 256 MB

Code Editor
00:00
<?php function isPerfectSquare($num) { // Your code here } ?>
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Input
16
Expected Output
true