Check if Binary String Has at Most One Segment of Ones - Video Solutions

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Check if Binary String Has at Most One Segment of Ones - Video Solution

Watch 10 video solutions for Check if Binary String Has at Most One Segment of Ones, a easy level problem involving String. This walkthrough by NeetCode has 427,716 views views. Want to try solving it yourself? Practice on FleetCode or read the detailed text solution.

Problem Statement

Given a binary string s without leading zeros, return true if s contains at most one contiguous segment of ones. Otherwise, return false.

Example 1:

Input: s = "1001"
Output: false
Explanation: The ones do not form a contiguous segment.

Example 2:

Input: s = "110"
Output: true

Constraints:

1 <= s.length <= 100
s[i] is either '0' or '1'.
s[0] is '1'.

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