Target: 6 months (180 days) Daily Time: 2–3 hours Language: JavaScript

• ⏱️ 30 min → Concept (YouTube)
• 💻 90 min → Practice (Problems)
• 📝 30 min → Notes + Revision

• Day 1: What is DSA + Time Complexity

  • YT: https://youtu.be/FPu9Uld7W-E (Striver)
  • Read: https://www.geeksforgeeks.org/analysis-of-algorithms-big-o-analysis/

• Day 2: Big-O Practice

  • YT: https://youtu.be/0IAPZzGSbME
  • Practice: https://leetcode.com/problems/sqrtx/

• Day 3: Space Complexity

  • Read: https://www.geeksforgeeks.org/g-fact-86/

• Day 4: JS for DSA (Array, Map, Set)

  • YT: https://youtu.be/R9I85RhI7Cg

• Day 5: Dry Run + Patterns

• Day 6: Revision + Problems

• Day 7: Weekly Test

• Day 8: Arrays Basics

  • YT: https://youtu.be/n60Dn0UsbEk

• Day 9: Max/Min, Reverse Array

  • Practice: https://leetcode.com/problems/reverse-string/

• Day 10: Prefix Sum

  • YT: https://youtu.be/PhgtNyfZLDE

• Day 11: Kadane Algorithm

  • YT: https://youtu.be/AHZpyENo7k4

• Day 12: Two Pointer

  • YT: https://youtu.be/GX0w0Dqj8_E

• Day 13: Sliding Window

  • YT: https://youtu.be/MK-NZ4hN7rs

• Day 14: Revision + Test

• Day 15: Strings Basics

  • Practice: https://leetcode.com/problems/valid-palindrome/

• Day 16: Anagrams

  • https://leetcode.com/problems/valid-anagram/

• Day 17: Recursion Basics

  • YT: https://youtu.be/KEEKn7Me-ms

• Day 18: Recursive Problems

• Day 19: Print Subsequences

• Day 20: Recursion Patterns

• Day 21: Weekly Revision

• Day 22–27: Solve 2 problems/day (Arrays + String)
• Day 28: Mock Test
• Day 29: Weak Topic Revision
• Day 30: Month Test ✅

• Day 31: Linked List Intro

  • YT: https://youtu.be/Nq7ok-OyEpg

• Day 32: Insert / Delete

• Day 33: Reverse LL

  • https://leetcode.com/problems/reverse-linked-list/

• Day 34: Detect Cycle

• Day 35: Slow Fast Pointer

• Day 36: Stack Basics

  • YT: https://youtu.be/W3WeBz8fWzk

• Day 37: Stack Problems

• Day 38: Monotonic Stack

• Day 39: Queue

• Day 40: Revision

• Day 41–58: Practice (2 questions/day)

• Day 59: Mock Test

• Day 60: Month Revision ✅

• Day 61: Tree Intro

  • YT: https://youtu.be/fAAZixBzIAI

• Day 62: Tree Traversals

• Day 63: Height & Diameter

• Day 64: LCA

• Day 65: BST

• Day 66: Backtracking

  • YT: https://youtu.be/od1x9OgFfW0

• Day 67: Subsets

• Day 68: Permutations

• Day 69: N-Queens

• Day 70: Revision

• Day 71–89: Mixed Tree + Backtracking

• Day 90: Month Test ✅

• Day 91: Sorting Algorithms

• Day 92: Merge Sort

• Day 93: Quick Sort

• Day 94: Binary Search Basics

• Day 95: Lower/Upper Bound

• Day 96: BS on Answer

• Day 97–118: Practice Problems

• Day 119: Mock

• Day 120: Revision ✅

• Day 121: Graph Intro

  • YT: https://youtu.be/mYftP8Z8C0Q

• Day 122: BFS

• Day 123: DFS

• Day 124: Topological Sort

• Day 125: Shortest Path

• Day 126: DP Intro

  • YT: https://youtu.be/oBt53YbR9Kk

• Day 127: Memoization

• Day 128: Tabulation

• Day 129: 1D DP

• Day 130: 2D DP

• Day 131–149: Practice DP + Graph

• Day 150: Month Test ✅

• Day 151–165: Revise All Topics
• Day 166–175: Daily 1 Medium + 1 Hard
• Day 176–179: Mock Interviews
• Day 180: Final Revision + Confidence ✅

• Striver DSA Sheet: https://takeuforward.org
• NeetCode 150: https://neetcode.io

🔥 Follow this roadmap strictly and DSA crack ho jayega 🔥