Algorithm to Valid N Queens
The n queens puzzle asks to place n queens on an n×n chessboard so that no two queens are attacking each other. Given a two-dimensional integer matrix where 1 …
Author: ACMer
Teaching Kids Programming – Two Array Intersection Algorithms
Teaching Kids Programming: Videos on Data Structures and Algorithms Given two arrays, write a function to compute their intersection. Example 1: Input: nums1 = , nums2 = Output: Example …
Flood Fill Algorithm using Breadth First Search
You are given a two dimensional array matrix, containing strings “r”, “g”, and “b”. Perform a floodfill operation at row r, column c with the color target. A floodfill …
Teaching Kids Programming – Recursive Algorithm to Find the Lowest Common Ancestor of a Binary Tree
March 13, 2021
algorithms, python, Recursion, recursive, teaching kids programming, youtube video
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Teaching Kids Programming: Videos on Data Structures and Algorithms Given a binary search tree (BST), find the lowest common ancestor (LCA) node of two given nodes in the BST. …
Picking Three Distinct Numbers Sum up to K
Given a list of integers nums and an integer k, determine if there are three distinct elements in the list that add up to k. Constraints n ≤ 1,000 …