2025-08-24 15:39:15 +0000 UTC

class Solution:
    def concatHex36(self, n: int) -> str:
        res = []
        for num, base in ((n ** 3, 36), (n ** 2, 16)):
            while num > 0:
                dig = num % base
                if dig < 10:
                    res.append(str(dig))
                else:
                    res.append(chr((dig - 10) + 65))
                num //= base
        res.reverse()
        return "".join(res)