Algorithm to Minimize Product Sum of Two Arrays
The product sum of two equal-length arrays a and b is equal to the sum of a * b for all 0 <= i < a.length (0-indexed). For example, …
Category: math
Teaching Kids Programming – Sign of the Product of an Array
Teaching Kids Programming: Videos on Data Structures and Algorithms There is a function signFunc(x) that returns: 1 if x is positive. -1 if x is negative. 0 if x …
Algorithms to Determine Whether Matrix Can Be Obtained By Rotation
Given two n x n binary matrices mat and target, return true if it is possible to make mat equal to target by rotating mat in 90-degree increments, or …
Teaching Kids Programming – Permutation of Rooks Do Not Attack Each Other
Teaching Kids Programming: Videos on Data Structures and Algorithms You’ve got an integer n representing a chessboard of size n x n. Return the number of ways you can …
Teaching Kids Programming – Interval Overlaps via Two Pointer Algorithm
Teaching Kids Programming: Videos on Data Structures and Algorithms You are given a list of closed intervals l0 and another list of intervals l1. Individually, each list is non-overlapping …