Sorting Algorithms Courses and Certifications

CodeHelp - by Babbar

Quick Sort Using Recursion - Day-6 - 10 Day Recursion Challenge

Learn QuickSort through recursion, partition logic, coding, dry runs, and time and space complexity.

• YouTube
• 38 minutes
• Self-Paced
• Free Video

CodeHelp - by Babbar

Merge Sort Using Recursion

Learn recursive merge sort through its approach, implementation, platform practice, space complexity, and applications.

• YouTube
• 24 minutes
• Self-Paced
• Free Video

CodeHelp - by Babbar

Insertion Sort - Theory and Code - Best-Worst Case Complexity

Learn insertion sort through an example-driven approach, implementation, dry run, and best- and worst-case complexity analysis.

• YouTube
• 34 minutes
• Self-Paced
• Free Video

CodeHelp - by Babbar

Bubble Sort - Theory and Optimised Code - Best-Worst Case Complexity

Learn Bubble Sort through worked examples and code, with optimization and best- and worst-case time and space complexity analysis.

• YouTube
• 32 minutes
• Self-Paced
• Free Video

CodeHelp - by Babbar

Selection Sort - Theory and Code - C++ Placement Series

Learn selection sort through C++ implementation, dry runs, use cases, and best- and worst-case time and space complexity.

• YouTube
• 34 minutes
• Self-Paced
• Free Video

Kunal Kushwaha

Quick Sort Using Recursion - Theory, Complexity, Code

See how pivot choice shapes quick sort’s partitioning and runtime, then follow its recursive implementation.

• YouTube
• 42 minutes
• Self-Paced
• Free Video

Kunal Kushwaha

Merge Sort Using Recursion - Theory, Complexity, Code

Explore recursive and in-place merge sort, with time and space complexity analyzed using the Akra–Bazzi formula.

• YouTube
• 50 minutes
• Self-Paced
• Free Video

Kunal Kushwaha

Cycle Sort - Interview Questions for Amazon, Google, Microsoft

Learn cyclic sort by working through six array problems involving missing numbers, duplicates, and mismatches.

• YouTube
• 1 hour 36 minutes
• Self-Paced
• Free Video

Kunal Kushwaha

Insertion Sort Algorithm - Theory + Code

Explore insertion sort’s best and worst cases, examine its complexity, and implement the algorithm in code.

• YouTube
• 31 minutes
• Self-Paced
• Free Video

Kunal Kushwaha

Bubble Sort Algorithm - Theory + Code

An in-depth look at bubble sort, including its complexity, stability, optimization, and code.

• YouTube
• 47 minutes
• Self-Paced
• Free Video

Simple Snippets

Heapsort Sorting Algorithm - Min Heap Implementation with Pseudocode

A worked min-heap heapsort dry run connects the algorithm’s steps to pseudocode and a complete C++ implementation.

• YouTube
• 21 minutes
• Self-Paced
• Free Video

Simple Snippets

Shell Sort Algorithm - Theory, Working, and Pseudocode with Example - Part 1

Trace how Shell sort uses shrinking gaps to move distant values efficiently, with a diagram, example, and pseudocode walkthrough.

• YouTube
• 44 minutes
• Self-Paced
• Free Video

Simple Snippets

Counting Sort Algorithm with Diagram - Part 1

A diagram-based walkthrough of counting sort’s frequency counts and index mapping, with attention to its key-range limits and linear-time behavior.

• YouTube
• 40 minutes
• Self-Paced
• Free Video

Simple Snippets

Quick Sort Algorithm - How It Works with Example Diagram - Part 1

A visual dry run shows how Quick Sort partitions an array around a pivot and sorts the resulting parts in place.

• YouTube
• 48 minutes
• Self-Paced
• Free Video

Simple Snippets

Merge Sort Algorithm - How It Works with Example Diagram - Part 1

A visual, step-by-step dry run shows how Merge Sort divides an array and combines the sorted halves.

• YouTube
• 53 minutes
• Self-Paced
• Free Video