The Complete Coding Interview Series

A comprehensive 21-day roadmap to master the most common coding questions asked in 3-10 LPA job interviews.

Day 1-301

Foundation Questions: Numbers & Basic Logic

Master the fundamentals with 22 essential number-based questions. The building blocks of all algorithms.

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Day 4-702

String Mastery: The Most Asked Category

18 questions covering everything from reversals to anagrams. Strings appear in 40% of all interviews.

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Day 8-1203

Arrays & Searching/Sorting: Core DSA

29 questions on the most important data structure. Includes binary search and all major sorting algorithms.

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Day 13-1704

Recursion, Linked Lists & Matrices

19 advanced questions to test your deep understanding of memory and pointers.

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Day 18-2105

Pattern Printing & Interview Strategy

Final 12+ questions and a complete framework for approaching any new problem in an interview.

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Advanced06

Blind 75: Complete FAANG Interview Prep

The definitive 75 LeetCode questions covering all patterns for top tech interviews. Solutions in Python and C++.

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Reference07

Complete Python & C++ Syntax + DSA Reference

Comprehensive guide to Python and C++ syntax plus all essential data structures and algorithms implementations for interviews.

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Advanced08

OOP, Database & System Design Mastery

Complete guide to object-oriented programming, database theory, and distributed system architecture for technical interviews.

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Interview Prep09

Entry-Level Interview Answers: 200+ Questions

Complete answers to 200+ interview questions for 5-10 LPA companies. OOP, SQL, system design, and coding problems with detailed solutions.

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Puzzles010

25 Must-Know Interview Puzzles

Critical thinking puzzles for tech interviews. Master lateral thinking and problem-solving processes used by Google, Microsoft, and quant firms.

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QA Interview Prep011

100 QA Interview Questions: Complete Guide

Comprehensive QA fresher interview preparation with 100 detailed questions covering fundamentals, testing types, automation, and management. Includes exact answer framework.

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QA Interview Prep012

QA Interview Questions & Answers

Complete QA interview preparation guide with 100 detailed questions covering testing fundamentals, automation, tools, and real-world scenarios with practical examples.

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Why this series?

80+

Handpicked Questions

21

Days Roadmap

2

Languages (Py/C++)