Algo. Mult – Sum

Given an integer number n, return the difference between the product of its digits and the sum of its digits. Example 1: Input: n =

Читать на сайте автора.

Algo. Running sum


Given an array nums. We define a running sum of an array as runningSum[i] = sum(nums[0]…nums[i]). Return the running sum of nums. Example 1:

Читать на сайте автора.