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Data Structures & Algorithms In Go

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Time Complexity

Introduction and Asymptotic Analysis Big-O, Omega and Theta Notations Complexity Analysis of Algorithms Time Complexity Order Deriving an Algorithm's Runtime Function Examples Related to Time Complexities Master Theorem Master Theorem Examples Quiz

Arrays

Challenge: Sum Array Solution Review: Sum Array Challenge: Sequential Search Solution Review: Sequential Search Challenge: Binary Search Solution Review: Binary Search Challenge: Finding the Largest Sum Subarray Solution Review: Finding the Largest Sum Subarray Challenge: Rotating an Array by k Positions Solution Review: Rotating an Array by k Positions Challenge: Array Waveform Solution Review: Array Waveform Challenge: Index Array Solution Review: Index Array Challenge: Sorting From 1 to n Solution Review: Sorting From 1 to n Challenge: Smallest Positive Missing Number Solution Review: Smallest Positive Missing Number Challenge: Maximum, Minimum Array Solution Review: Maximum, Minimum Array Challenge: Array Index Maximum Difference Solution Review: Array Index Maximum Difference Quiz: Arrays

Recursive Functions

Recursive Functions Challenge: Factorial Solution Review: Factorial Challenge: Print Base 16 Integers Solution Review: Print Base 16 Integers Challenge: Greatest Common Divisor Solution Review: Greatest Common Divisor Challenge: Fibonacci Numbers Solution Review: Fibonacci Numbers Challenge: All Permutations of an Integer List Solution Review: All Permutations of an Integer List Challenge: Tower of Hanoi Solution Review: Tower of Hanoi Quiz: Recursion

Approaches to Solve Algorithm Design Problems

Introduction and Constraints Idea Generation Complexities, Coding, and Testing Example and Summary

Data Structures in Go

Abstract Data Type Go Collection Framework Stack Queue Tree Priority Queue / Heap Hash-Table Dictionary Set and Counter Symbol Table Graph

Sorting

Introduction Sorting Algorithm Bubble Sort Modified Bubble Sort Insertion Sort Selection Sort Merge Sort Quick Sort Quick Select Count Sort External Sort (External Merge-Sort)Stable Sort Choosing the Best Sorting Algorithm Challenge: Partitioning of 0s and 1s Solution Review: Partitioning of 0s and 1s Challenge: Partitioning of 0s, 1s, and 2s Solution Review: Partitioning of 0s, 1s and 2s

Stack

Introduction to Stack The Stack Abstract Data Type Challenge: Stack Using Array Solution Review: Stack Using Array Challenge: Stack Using Linked List Solution Review: Stack Using Linked List System Stack and Method Calls Challenge: Sorted Insert Solution Review: Sorted Insert Challenge: Sort Stack Solution Review: Sort Stack Challenge: Bottom Insert Solution Review: Bottom Insert Challenge: Reverse Stack Solution Review: Reverse Stack Challenge: Reverse k Elements in a Stack Solution Review: Reverse k Element in a Stack Challenge: Balanced Parentheses Solution Review: Balanced Parenthesis Challenge: Min Stack Solution Review: Min Stack Challenge: Max Depth Parenthesis Solution Review: Max Depth Parenthesis Challenge: Longest Continuous Balanced Parenthesis Solution Review: Longest Continuous Balanced Parenthesis Challenge: Reverse Parenthesis Solution Review: Reverse Parentheses Challenge: Find Duplicate Parentheses Solution Review: Find Duplicate Parenthesis Challenge: Print Parenthesis Number Solution Review: Print Parentheses Number Infix, Prefix, and Postfix Expressions Challenge: Infix-to-Postfix Conversion Solution Review: Infix-to-Postfix Conversion Challenge: Infix-to-Prefix Conversion Solution Review: Infix-to-Prefix Conversion

Queue

Introduction to Queue Queue Implementation Using an Array Queue Implementation Using a LinkedList Queue Implementation Using Circular Linked List Queue Implementation Using Doubly Linked List Challenge: Queue Using Stack Solution Review: Queue Using Stack Challenge: Reverse Queue Solution Review: Reverse Queue Challenge: Reverse k Elements in a Queue Solution Review: Reverse k Elements in a Queue

Tree

Introduction to Tree

Introduction to Binary Trees

Challenge: Create a Complete Binary Tree

Solution Review: Create a Complete Binary Tree

Challenge: Print Pre-Order Traversal

Solution Review: Print Pre-Order Traversal

Challenge: Print Post-order Traversal

Solution Review: Print Post-order Traversal

Challenge: Print In-order Traversal

Solution Review: Print In-Order Traversal

Challenge: Print level-order Traversal

Solution Review: Print Level-order Traversal

Challenge: Print Depth First Without Recursion

Solution Review: Print Depth First Without Using the Recursion

Challenge: Print Level Order Line by Line Using Two Queues

Solution Review: Print Level Order Line by Line Using Two Queues

Challenge: Print a Tree in Level-order Line by Line Using a Queue

Solution Review: Print Level Order Line by Line Using One Queue

Challenge: Print Spiral Tree

Solution Review: Print Spiral Tree

Challenge: nth Pre-order

Solution Review: nth Pre-Order

Challenge: nth Post-order

Solution Review: nth Post-Order

Challenge: nth In-Order

Solution Review: nth In-Order

Challenge: Print All the Paths

Solution Review: Print All the Paths

Challenge: Number of Elements

Solution Review: Number of Elements

Challenge: Sum of All Nodes in a Binary Tree

Solution Review: Sum of All Nodes in a Binary Tree

Challenge: Find Number of Leaf Nodes

Solution Review: Find Number of Leaf Nodes

Challenge: Number of Full Nodes in a Binary Tree

Solution Review: Number of Full Nodes in a Binary Tree

Challenge: Search Value in a Binary Tree

Solution Review: Search Value in a Binary Tree

Challenge: Find Max in Binary Tree

Solution Review: Find Max in Binary Tree

Challenge: Tree Depth

Solution Review: Tree Depth

Challenge: Identical Trees

Solution Review: Identical Trees

Challenge: Copy Tree

Solution Review: Copy Tree

Challenge: Copy Mirror Tree

Solution Review: Copy Mirror Tree

Challenge: Free Tree

Solution Review: Free Tree

Challenge: Check Completeness of Tree Using Queue

Solution Review: Check Completeness of Tree Using Queue

Challenge: Check Completeness of Tree Using Recursion

Solution Review: Check Completeness of Tree using Recursion

Challenge: Is Tree a Heap?

Solution Review: Is Tree a Heap

Challenge: Tree to List Conversion using Recursion

Solution Review: Tree to List Conversion using Recursion

Binary Search Tree

Introduction to a Binary Search Tree (BST)Challenge: Create a Binary Search Tree From the Sorted List Solution Review: Create a Binary Search Tree From the Sorted List Challenge: Insertion Solution Review: Insertion Challenge: Find Node Solution Review: Find Node Challenge: Find Min Solution Review: Find Min Challenge: Find Max Solution Review: Find Max Challenge: Is It a BST?Solution Review: Is It a BST?Challenge: Delete Node Solution Review: Delete Node Challenge: Least Common Ancestor Solution Review: Least Common Ancestor Challenge: Print Tree Nodes within a Range Solution Review: Print Tree Nodes within a Range Challenge: Trim the Tree Nodes Outside Range Solution Review: Trim the Tree Nodes Outside Range Challenge: Find Ceil and Floor Values in a BST Solution Review: Find Ceil and Floor Values in a BST Challenge: Is It a BST Array?Solution Review: Is It a BST Array?

Conclusion

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Challenge: Tree Depth

Challenge: Tree Depth

Let’s find the depth of a binary tree using recursion.

Problem

Given a binary tree, find its depth. The depth of the root is 0. The depth of the tree is the number of edges in ...