Instructor: Rizwan Ali

Master Algorithms & Data Structures

Foundations · Sorting · Searching · Graphs · Dynamic Programming · Advanced Algorithms · System Design · Competitive Programming

Algorithm Fundamentals

Algorithm fundamentals
Think like a programmer
CORE CONCEPTS

What is an Algorithm?

An algorithm is a step-by-step procedure for solving a problem. Understanding algorithm analysis, complexity, and design paradigms is the foundation of computer science.

  • Time & Space Complexity - Big O, Big Θ, Big Ω
  • Recursion - Divide and conquer approach
  • Brute Force vs Optimal - Tradeoffs and improvements
Wikipedia Khan Academy MIT 6.006
Sorting algorithms
Sorting in action
ESSENTIAL

Sorting & Searching

Classic algorithms every developer must know: from bubble sort to quicksort, linear to binary search.

  • Comparison Sorts - Bubble, Insertion, Merge, Quick, Heap
  • Non-Comparison - Counting, Radix, Bucket
  • Searching - Linear, Binary, Interpolation
GeeksforGeeks VisuAlgo Wikipedia

Data Structures

Arrays & Strings

Fundamental linear data structures. Master array manipulation, sliding window, two-pointer techniques.

Linked Lists

Singly, doubly, circular. Understand pointer manipulation and classic problems.

Stacks & Queues

LIFO and FIFO structures. Essential for parsing, BFS/DFS, and expression evaluation.

Trees & Graphs

Binary trees, BST, heaps, graph representations, traversal algorithms.

Hash Tables

Dictionaries, maps, sets. Understand hashing, collisions, and real-world applications.

Heaps & Priority Queues

Binary heaps, heap sort, priority queues. Essential for scheduling and graph algorithms.

Advanced Algorithms

Graph Algorithms

BFS, DFS, Dijkstra, Bellman-Ford, Floyd-Warshall, A*, topological sort.

Dynamic Programming

Memoization, tabulation, classic problems: knapsack, LCS, edit distance, matrix chain.

Greedy Algorithms

Huffman coding, activity selection, fractional knapsack, minimum spanning trees.

String Algorithms

KMP, Rabin-Karp, Z-algorithm, suffix arrays, tries.

NP-Completeness

P vs NP, NP-complete problems, reductions, approximation algorithms.

System Design

Algorithms at scale: caching, load balancing, consistent hashing, distributed systems.

Algorithm Teacher Essentials

Curated resources for mastering algorithms: From foundational textbooks to interactive visualizations and competitive programming platforms.

Algorithm learning

CLRS Textbook

"Introduction to Algorithms" by Cormen, Leiserson, Rivest, Stein. The definitive algorithm reference.

Learn more →

LeetCode

Practice algorithms with 3000+ problems. Essential for interview preparation.

Start coding →

VisuAlgo

Visualize data structures and algorithms through animation.

Visualize →
Rizwan's Algorithm Path: "Start with CLRS chapters 1-6 for fundamentals, practice daily on LeetCode (easy → medium), use VisuAlgo for visualization, and explore competitive programming on Codeforces for advanced mastery."
200+
Algorithms
50+
Visualizations
1000+
Practice Problems
10+
Textbooks
30+
Video Courses
MIT
OpenCourseWare

Official Algorithm Resources

GeeksforGeeks

Khan Academy

CP Algorithms

Algorithm Visualizers

Practice Platforms

LeetCode

Interview preparation with curated problem sets.

Codeforces

Competitive programming with regular contests.

HackerRank

Algorithm challenges and skill certifications.

AtCoder

Japanese competitive programming platform.

Project Euler

Mathematical/algorithmic problems.

CodingBat

Java/Python practice for beginners.

Student Success

★★★★★

"Rizwan's algorithm course helped me crack Google interviews. The structured approach and resource recommendations were invaluable."

Alex Chen

Software Engineer @ Google

★★★★★

"From zero to ICPC regional finalist. The algorithm visualization resources and practice strategies made all the difference."

Maria Garcia

Competitive Programmer

★★★★★

"Best algorithm learning hub I've found. Everything from basics to advanced, all in one place with working links."

James Wilson

CS Student

Curated with ❤️ for my students by Rizwan Ali · Master Algorithms from Scratch to Advanced