subarray 238. Product of Array Except Self Given an array nums of n integers where n > 1, return an array output such that output[i] is equal to the product of all the elements of nums except nums[i]

two pointer 844. Backspace String Compare Given two strings S and T, return if they are equal when both are typed into empty text editors. # means a backspace character.Example 1:Input: S = "ab#c", T = "ad#c"Output: