LC-2124 Easy LeetCode

2124. Check if All A's Appears Before All B's

Read the full problem statement on LeetCode.

Difficulty: easy Acceptance: 72% Topics: String

Reading material

Reference solution (spoiler · python)

# Time:  O(n)
# Space: O(1)

class Solution(object):
    def checkString(self, s):
        """
        :type s: str
        :rtype: bool
        """
        return "ba" not in s

Solution from kamyu104/LeetCode-Solutions · MIT