Teaching Kids Programming: Videos on Data Structures and Algorithms Given a positive integer n, find the pivot integer x such that: The sum of all elements between 1 and …
Teaching Kids Programming: Videos on Data Structures and Algorithms There are several cards arranged in a row, and each card has an associated number of points. The points are …
Teaching Kids Programming: Videos on Data Structures and Algorithms Given an integer array nums, handle multiple queries of the following types: Update the value of an element in nums. …
Teaching Kids Programming: Videos on Data Structures and Algorithms Given a 0-indexed integer array nums, find the leftmost middleIndex (i.e., the smallest amongst all the possible ones). A middleIndex …
Given a two-dimensional integer matrix, return a new matrix A of the same dimensions where each element is set to A = sum(matrix) for all r ≤ i, c …
