4 FREE DSA Resources to Crack Coding Interviews (No Paid Course Needed!)

Preparing for coding interviews but feeling overwhelmed by paid bootcamps and endless tutorials?

Good news — you don’t need to spend a rupee to master Data Structures and Algorithms (DSA).

𝐏𝐚𝐲 𝐀𝐟𝐭𝐞𝐫 𝐏𝐥𝐚𝐜𝐞𝐦𝐞𝐧𝐭 𝐓𝐫𝐚𝐢𝐧𝐢𝐧𝐠 𝐏𝐫𝐨𝐠𝐫𝐚𝐦- 𝐆𝐞𝐭 𝐏𝐥𝐚𝐜𝐞𝐝 𝐈𝐧 𝐓𝐨𝐩 𝐌𝐍𝐂'𝐬

These 4 FREE and trusted platforms offer beginner-to-advanced resources to help you build your logic, solve real interview problems, and get confident with DSA.

Whether you’re targeting FAANG, startups, or top tech roles — these links will guide your journey. Save them, stay consistent, and watch your problem-solving improve! 👨‍💻📈

🔹 1. GeeksforGeeks – The Ultimate Beginner’s Guide

A well-structured guide covering DSA from scratch — arrays, linked lists, trees, recursion, and more.

📘 Includes notes, solved problems, and topic-wise explanations.
🔗 Start here

🔹 2. LeetCode – DSA Study Plans Used by Top Candidates

One of the most popular platforms for coding interviews.

📌 Use their free Data Structures Study Plan to practice company-level questions.
🔗 Explore LeetCode DSA Plan

🔹 3. HackerRank – Practice Through Real-Time Coding Challenges

Learn and solve problems in C++, Java, or Python.

🎯 Ideal for beginners who want to go from theory to hands-on skills.
🔗 Solve HackerRank DSA

🔹 4. freeCodeCamp – Learn DSA with JavaScript

An interactive and beginner-friendly platform to understand algorithms step-by-step — perfect if you prefer JS.

✅ Learn while you code with instant feedback.
🔗 Start Learning

🧠 Bonus Tips for DSA Prep:

✅ Start with easy problems before jumping into medium/hard.
✅ Maintain a DSA tracker (Notion or Excel) to monitor progress.
✅ Solve at least 1-2 problems a day for consistency.
✅ Use the STAR method to explain logic during interviews.

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