# Data-Structure

## Tree: Height of a Binary Tree

May 19th, 2021 - 4 mins read

## Tree - Inorder Traversal

May 19th, 2021 - 4 mins read

## Tree - Postorder Traversal

May 19th, 2021 - 4 mins read

## Find two lines, that the container contains the most water

May 17th, 2021 - 4 mins read

## Given an array of integers nums and an integer target, return indices of the two numbers such that they add up to target

May 16th, 2021 - 4 mins read

## Find duplicate or repeated elements in an array

May 14th, 2021 - 4 mins read

## Tree - Preorder Traversal

May 30th, 2020 - 4 mins read

## Find if an array contains at least two elements which differ by 1

May 29th, 2020 - 4 mins read

## Wizard Meet-up - Find the cheapest way for Wizard level X to meet wizard level Y

April 28th, 2020 - 4 mins read

## Min Stack - Design a stack that supports push, pop, top, and retrieving the minimum element in constant time

April 26th, 2020 - 4 mins read

## Backspace String Compare - Given two strings S and T, return if they are equal

April 23rd, 2020 - 4 mins read

## Happy Number - Write an algorithm to determine if a number n is happy

April 15th, 2020 - 4 mins read

## Single Number - Given a non-empty array of integers, every element appears twice except for one. Find that single one

April 15th, 2020 - 4 mins read