Python | Leetcode Python题解之第400题第N位数字

题目：

题解：

class Solution:def findNthDigit(self, n: int) -> int:d, count = 1, 9while n > d * count:n -= d * countd += 1count *= 10index = n - 1start = 10 ** (d - 1)num = start + index // ddigitIndex = index % dreturn num // 10 ** (d - digitIndex - 1) % 10