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...
答题技巧
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