2025-08-15 15:03:12 +0300 MSK

Check if Binary String Has at Most One Segment of Ones
Tags:

Code

class Solution:
    def checkOnesSegment(self, s: str) -> bool:
        enc = False
        for char in s[1:]:
            if char == "1" and enc:
                return False
            elif char == "1":
                continue
            enc = True
        return True