CS412-Applied-Algorithms/Palindrome-Partitioning/cs412_palindrome_partition_memoized_a.py

"""
name: Nicholas Tamassia

Honor Code and Acknowledgments:

        This work complies with the JMU Honor Code.

       Comments here on your code and submission.
"""


def is_palindrome(s: str) -> bool:
    return s == s[::-1]


def palindrome_partitions(s: str) -> int:

    memo: dict[str, int] = {}

    def recurse(s: str) -> int:
        nonlocal memo

        if len(s) == 0:
            return 1

        sum = 0

        for i in range(1, len(s) + 1):
            left: str = s[:i]
            right: str = s[i:]

            if is_palindrome(left):
                if right not in memo:
                    memo[right] = recurse(right)

                sum += memo[right]

        return sum

    return recurse(s)


# All modules for CS 412 must include a main method that allows it
# to imported and invoked from other python scripts
def main():
    n: int = int(input())

    for _ in range(0, n):
        in_str = input().strip()
        print(palindrome_partitions(in_str))


if __name__ == "__main__":
    main()