2023.02.15 Today's Challenge

https://leetcode.com/problems/add-to-array-form-of-integer/

Add to Array-Form of Integer - LeetCode

뒤에서부터 순회하면서 채워 넣으면 됨.

class Solution:
    def addToArrayForm(self, num: List[int], k: int) -> List[int]:
        for i in range(len(num)-1, -1, -1):
            k, num[i] = divmod(num[i]+k, 10)
        while k:
            k, a = divmod(k, 10)
            num = [a] + num
        return num