Merge Two Sorted Linked List using GoLang
Merge two sorted linked lists and return it as a sorted list. The list should be made by splicing together the nodes of the first two lists. Example 1: …
Teaching Kids Programming – Minimum Number of Operations to Target Number
Teaching Kids Programming: Videos on Data Structures and Algorithms Given positive integers start and end, return the minimum number of operations needed to convert start to end using these …
Invert a Binary Tree using GoLang
This problem was inspired by this original tweet by Max Howell: Google: 90% of our engineers use the software you wrote (Homebrew), but you can’t invert a binary tree …
Teaching Kids Programming – Dynamic Programming Algorithm to Compute Minimum Number of Coins
Teaching Kids Programming: Videos on Data Structures and Algorithms Given a list of integers denominations and an integer amount, find the minimum number of coins needed to make amount. …
GoLang Programming: N-ary Tree Preorder Traversal Algorithm using Depth First Search
Given the root of an n-ary tree, return the preorder traversal of its nodes’ values. Nary-Tree input serialization is represented in their level order traversal. Each group of children …
Teaching Kids Programming – Two Pointer Algorithm to Rescue People in Rocketship
Teaching Kids Programming: Videos on Data Structures and Algorithms You are given a list of integers weights representing peoples’ weights and an integer limit representing the weight limit of …