Question 1

Is the Underrated Coder DSA Sheet free?

Accepted Answer

You can open the sheet and work through curated problems without payment. Pro and Pro Max unlock full premium depth on the platform (including complete DSA Sheet entitlements, aptitude, interview banks, Coder AI, and live classes per your plan row on Pricing). Free learners still benefit from the visible curriculum and external practice links.

Question 2

Do I need to log in?

Accepted Answer

No login is required to browse problems. Sign in with Google to sync solved checks, bookmarks, and per-problem notes across devices — recommended once placement prep starts.

Question 3

How is this different from Striver or NeetCode sheets?

Accepted Answer

Our sheet is topic-phased for campus timelines, integrated with Underrated Coder progress, leaderboard, compiler, notes, and roadmaps — one login for sheet + revision + projects instead of scattered bookmarks.

Question 4

What topics are covered?

Accepted Answer

Foundations through interview core: arrays, strings, math, recursion, binary search, two pointers, sliding window, linked lists, stacks, queues, trees, graphs, and dynamic programming — grouped by phase and concept like typical 2026 OA and product-company loops.

Question 5

What difficulty should a second-year student expect?

Accepted Answer

Early phases skew Easy/Medium for building confidence. Later phases include Medium/Hard patterns seen in product companies. Skip hard topics until basics are stable — the sheet order is intentional.

Question 6

Are problems only on external platforms?

Accepted Answer

Many rows link to trusted external judges (LeetCode, GFG, etc.) so you practice in real environments. Use our checkboxes and notes to track completion regardless of where you submit code.

Question 7

How do checkboxes, bookmarks, and notes work?

Accepted Answer

Checkbox marks solved (honor system or after you pass on external site). Bookmark flags revisit before interview week. Notes store approach, complexity, and edge cases per problem — private to your account when signed in.

Question 8

Can I share my DSA Sheet progress?

Accepted Answer

Use the Share control on the sheet to show overall completion — useful for accountability with friends or mentors. Do not share account access; share your public progress link if enabled.

Question 9

Does progress count for gamification?

Accepted Answer

Yes — consistent sheet activity can contribute to platform streaks and leaderboard categories tied to DSA practice. Depth of understanding still matters more than checkbox count alone.

Question 10

How many problems should I finish before applying?

Accepted Answer

A common 2026 target: 150–200 quality problems with revision, not 500 rushed. Finish most of Easy + Medium in your sheet phases; add Hard selectively for dream companies.

Question 11

How should I use the sheet with Java + DSA live class (Pro)?

Accepted Answer

Attend live sessions for new patterns, then assign sheet rows as homework the same week. Use Coding Notes for syntax and the in-browser compiler for dry runs before external submits.

Question 12

What if I fail company OAs repeatedly?

Accepted Answer

Revisit pattern tags you skip (binary search, sliding window, DP). Time yourself. Pair sheet problems with Coding Quiz MCQs for aptitude-heavy service-company OAs.

Question 13

Can I use the sheet if my college has no CS brand?

Accepted Answer

Yes — hiring is skill-based. Combine sheet progress, one roadmap Project with a live demo, and internship attempts. Many students from tier-2/3 colleges place via consistent DSA + projects.

Count Digits	GeeksforGeeks	Easy
Reverse Integer	LeetCode	Medium
Palindrome Number	LeetCode	Easy
LCM And GCD	GeeksforGeeks	Easy
Armstrong Numbers	GeeksforGeeks	Easy
Check for Prime	GeeksforGeeks	Easy

Underrated Coder DSA Sheet

1. Basic Math & Logic0/6

2. Logic Building (Pattern Printing)0/5

3. Foundational Arrays0/6

4. Foundational Strings0/8

5. Basic Recursion & Hashing0/6

6. Arrays & Hashing0/10

7. Two Pointers0/5

8. Sliding Window0/6

9. Binary Search0/8

10. Bit Manipulation & Math0/9

11. Linked Lists0/13

12. Stacks & Queues0/11

13. Binary Trees (DFS & BFS)0/15

14. Binary Search Trees (BST)0/5

15. Tries (Prefix Trees)0/3

16. Heaps / Priority Queues0/7

17. Intervals0/6

18. Greedy Algorithms0/10

19. Backtracking0/9

20. Graphs (BFS, DFS, Topological Sort)0/12

21. Advanced Graphs (Shortest Path & MST)0/7

22. 1D Dynamic Programming0/14

23. 2D Dynamic Programming0/14

DSA Sheet FAQ

Is the Underrated Coder DSA Sheet free?

Do I need to log in?

How is this different from Striver or NeetCode sheets?