LeetCode 231 Power of Two (Power of 2)

Source: Internet
Author: User

LeetCode 231 Power of Two (Power of 2)

Given an integer, write a function to determine whether it is a power of 2.
Given an integer, write a function to determine if it is a power of two.

For details, see this article: LeetCode 326 Power of Three (3 Power) (recursion, Log function)

Check the question number. 326 is the enhanced version of this question. 326 requires loop or recursion ...... You can read the article above.

I posted my code directly in this question ......

Class Solution {public: bool isPowerOfTwo (int n) {double logAns = log10 (n)/log10 (2); return (logAns-int (logAns) = 0 )? True: false ;}};

Contact Us

The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion; products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the content of the page makes you feel confusing, please write us an email, we will handle the problem within 5 days after receiving your email.

If you find any instances of plagiarism from the community, please send an email to: info-contact@alibabacloud.com and provide relevant evidence. A staff member will contact you within 5 working days.

A Free Trial That Lets You Build Big!

Start building with 50+ products and up to 12 months usage for Elastic Compute Service

  • Sales Support

    1 on 1 presale consultation

  • After-Sales Support

    24/7 Technical Support 6 Free Tickets per Quarter Faster Response

  • Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.