Sublist sum problem (Typescript)

My solution to a “Daily Coding Problem” that I received in my mail today. Given a list of numbers L, implement a method sum(i, j) which returns the sum from the sublist L[i:j] (including i, excluding j). For example, given L = [1, 2, 3, 4, 5], sum(1, 3) should return sum([2, 3]), which is 5. You can assume that you can Read more…

Check if parenthesis are balanced problem with * (Typescript)

My solution to a “Daily Coding Problem” that I received in my mail today. You’re given a string consisting solely of (, ), and *. * can represent either a (, ), or an empty string. Determine whether the parentheses are balanced. For example, (()* and (*) are balanced. )*( is not balanced. Here’s my solution in Typescript, oneFortyTwo(str: string): boolean { if(str Read more…