Tag: programming
Teaching Kids Programming: Videos on Data Structures and Algorithms Given a string s, return the length of the longest substring between two equal characters, excluding the two characters. If …
Teaching Kids Programming: Videos on Data Structures and Algorithms Given a binary tree where node values are digits from 1 to 9. A path in the binary tree is …
Normalized Mean Absolute Error (NMAE) is a statistical measure used to assess the accuracy of a prediction model. It’s a variation of the Mean Absolute Error (MAE), which is …
Given a integer n, find all the sum of the number of the digits up to n, for example, given n=5, we return 5, because 1,2,3,4,5 are all 1 …
Teaching Kids Programming: Videos on Data Structures and Algorithms You have a pointer at index 0 in an array of size arrLen. At each step, you can move 1 …
