Write a function that returns True if num is a perfect square and False otherwise given a positive integer num. Following that, avoid using any built-in library functions such as sqrt.

Write a function that returns True if num is a perfect square and False otherwise given a positive integer num. Following that, avoid using any built-in library functions such as sqrt.

题目类型: 技术面试题

这是一道技术面试题，常见于澳洲IT公司面试中。

难度: easy

标签: interviewbit, optum, company-specific

目标公司: Optum

参考答案摘要

Example 1: Input: num = 16 Output: true Example 2: Input: num = 14 Output: false This solution takes advantage of the fact that all square numbers are the sum of odd integers beginning with 1. As an e...

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