Recursion and Two Pointer Algorithms to Determine Four Sum
Given a list of integers nums and an integer k, return whether there are four distinct elements in the list that add up to k. Constraints n ≤ 100 …
Category: Recursion
Teaching Kids Programming – Recursive Algorithm to Validate a Binary Search Tree
December 17, 2020
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 Tree, our task is to validate if it is a binary search tree. In a BST (Binary …
Algorithms to Check Sum of Two Numbers in Binary Search Trees
December 13, 2020
algorithms, c / c++, Depth First Search, DFS, Recursion, recursive, Two Pointer
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You are given two binary search trees a and b and an integer target. Return whether there’s a number in a and a number in b such that their …
Depth First Search Algorithm to Delete Even Leaves from Binary Tree
Given a binary tree root, repeatedly delete all leaves that have even values. That is, if after deletions, a node becomes a leaf with an even value, it too …
Teaching Kids Programming – 3 Different Approaches to Solve Two-Sum Problem
November 29, 2020
algorithms, data structure, Hash Map / Hash Set, programming languages, Python, python, Recursion, teaching kids programming, Two Pointer, youtube video
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Teaching Kids Programming: Videos on Data Structures and Algorithms This is actually a very famous known problem for beginners to into Algorithms & Data Structures. Given a list of …