Master Data Structures and Algorithms with These 75 Handpicked Questions (With Free PDF Download)

If you’re grinding 3000+ LeetCode problems hoping to crack FAANG or top tech interviews β€” STOP. What you truly need is clarity, not quantity.

With the right guidance and a curated set of 75 LeetCode questions, you can master all the core Data Structures & Algorithms (DSA) concepts and dramatically boost your placement chances.

πŸ“₯ Download the 75 Questions PDF for FREE on Telegram


πŸš€ Why Just 75 Questions?

Because these questions cover:

  • All major DSA patterns
  • High-frequency problems asked in top interviews
  • Concepts needed for coding rounds, technical interviews, and online assessments

Crack the code with focus β€” not fatigue.


🧩 What’s Inside the 75 Questions Sheet?

The curated list is divided into:

πŸ”Ή 1. Arrays – 10 Problems

Master basics and two-pointer techniques:

  • Two Sum
  • Best Time to Buy and Sell Stock
  • Merge Sorted Array
  • Contains Duplicate
  • …and more!

πŸ“₯ Download the Full List from Telegram


πŸ”Ή 2. Strings – 10 Problems

Handle substrings, anagrams, and palindromes efficiently:

  • Valid Parentheses
  • Valid Anagram
  • Longest Palindromic Substring
  • Minimum Window Substring

πŸ”Ή 3. Linked Lists – 8 Problems

Get good at pointer manipulation:

  • Reverse Linked List
  • Merge Two Sorted Lists
  • Detect Cycle
  • Add Two Numbers

πŸ”Ή 4. Stacks & Queues – 6 Problems

Get familiar with:

  • Min Stack
  • Implement Queue Using Stacks
  • Daily Temperatures
  • Next Greater Element

πŸ“₯ Claim the Complete PDF on Telegram


πŸ”Ή 5. Binary Search – 6 Problems

Grasp sorted data and edge cases:

  • Binary Search
  • Search in Rotated Sorted Array
  • Find Peak Element

πŸ”Ή 6. Trees – 8 Problems

Master:

  • Binary Tree Traversals
  • Level Order Traversal
  • Balanced Tree Checks

πŸ”Ή 7. Recursion & Backtracking – 7 Problems

Cover:

  • Combination Sum
  • Permutations
  • N-Queens
  • Sudoku Solver

πŸ”Ή 8. Dynamic Programming – 10 Problems

These are deal-breakers in product-based company interviews:

  • Climbing Stairs
  • Coin Change
  • Longest Common Subsequence
  • Partition Equal Subset Sum

πŸ”Ή 9. Graphs – 6 Problems

Cover DFS, BFS, cycle detection, and components:

  • Clone Graph
  • Number of Islands
  • Course Schedule
  • Is Graph Bipartite?

πŸ”Ή 10. Bit Manipulation – 4 Problems

Tricky but often asked:

  • Single Number
  • Reverse Bits
  • Number of 1 Bits

πŸ“₯ Access All 75 LeetCode Problems Now β†’


πŸ’‘ Who Should Solve These 75 DSA Questions?

βœ… College Students
βœ… Working Professionals Preparing for Switch
βœ… Coding Contestants
βœ… Anyone aiming to land a job at top tech companies like Amazon, Google, Microsoft, Flipkart, or startups like CRED and Swiggy.


🎯 What Will You Achieve?

  • Clarity over confusion
  • Confidence in interviews
  • Deep understanding of real-world problem patterns
  • A structured DSA roadmap

πŸ“₯ Download the Handpicked LeetCode 75 Questions – Click Here


πŸ“ Bonus: Handwritten Notes Included!

Along with the PDF, you can access free handwritten notes to revise concepts faster and boost retention.
πŸ“ Grab your notes here via Telegram


βœ… Final Thoughts

You don’t need 3000+ LeetCode problems.
You need a plan, consistency, and strategic practice.

These 75 handpicked questions give you everything β€” array mastery, recursion skills, dynamic programming fundamentals, and interview-winning graph intuition.

🎯 Focus on these. Master these. Crack interviews.

πŸ“₯ Download the PDF Now (Click here)
πŸ“ Get access to bonus notes and updates on DSA preparation.

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