2025-08-18 16:41:27 +0000 UTC

class Solution:
    def strongPasswordCheckerII(self, password: str) -> bool:
        if len(password) < 8:
            return False
        has_lower, has_upper, has_digit, has_spec = False, False, False, False
        prev = None
        spec = "!@#$%^&*()-+"
        for char in password:
            if char.islower():
                has_lower = True
            elif char.isupper():
                has_upper = True
            elif char.isdigit():
                has_digit = True
            elif char in spec:
                has_spec = True
            if prev is not None and char == prev:
                return False
            prev = char
        return has_lower and has_upper and has_digit and has_spec