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Version:
v0.0.0-...-d3fc627
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Published: Feb 15, 2020
License: MIT
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README
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题目
Given a positive integer num, write a function which returns True if num is a perfect square else False.
Note: Do not use any built-in library function such as sqrt.
Example 1:
Input: 16
Returns: True
Example 2:
Input: 14
Returns: False
Credits:Special thanks to @elmirap for adding this problem and creating all test cases.
解题思路
见程序注释
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