Binary Number with Alternating Bits - Video Solutions

EasyBit Manipulation

Counting Bits - Dynamic Programming - Leetcode 338 - Python

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10 video solutions available

Binary Number with Alternating Bits - Video Solution

Watch 10 video solutions for Binary Number with Alternating Bits, a easy level problem involving Bit Manipulation. This walkthrough by NeetCode has 159,557 views views. Want to try solving it yourself? Practice on FleetCode or read the detailed text solution.

Problem Statement

Given a positive integer, check whether it has alternating bits: namely, if two adjacent bits will always have different values.

Example 1:

Input: n = 5
Output: true
Explanation: The binary representation of 5 is: 101

Example 2:

Input: n = 7
Output: false
Explanation: The binary representation of 7 is: 111.

Example 3:

Input: n = 11
Output: false
Explanation: The binary representation of 11 is: 1011.

Constraints:

1 <= n <= 2³¹ - 1

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Problem Statement

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