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Cheat SheetDSGATE CS 2027

Data Structures Cheat Sheet Pack

Fast Revision · Formulas · Traps · Visual Recall

Arrays and linked lists, stacks and expression evaluation, tree counts and traversal reconstruction, BSTs, binary heaps, graph representations and hashing.

  • 12 A4 pagesone topic per page
  • PDF (A4)Version 1.0.2
  • Screen editionPhones, tablets, laptops
  • Print editionPrepared for A4 printing

₹29Regular price ₹39Launch price

Launch price: ₹29 instead of the regular ₹39.

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3 of 12 pages shown as images. The purchased PDF is sharper, searchable and has clickable bookmarks.

Page 1 of 12

What is inside

12 pages, one purpose each

  1. p. 1Cover, contents and how to useThe page map, a key to every box type, and the order to read on the last day.
  2. DS-02Arrays and Linked ListsAddress of A[i][j], and which pointer moves first in a list
  3. DS-03Stacks, Queues and Expression EvaluationConvert and evaluate expressions; circular queue tests
  4. DS-04Binary Trees: Counts, Traversals, ReconstructionNode, leaf and shape counts; rebuilding from traversals
  5. DS-05Binary Search TreesWhere a key goes, what each traversal gives, what height costs
  6. DS-06Binary Heaps and Priority QueuesParent, child and leaf indices; why build-heap is O(n)
  7. DS-07Graph RepresentationsWhich representation fits, and its space and time cost
  8. DS-08Hashing, Collisions and Load FactorWhere each key lands, and how many probes to expect
  9. DS-09Master Complexity TableEvery operation on every structure, worst case unless marked
  10. DS-10GATE Traps SheetThe wrong turns that cost marks, each with its fix
  11. DS-11Question Patterns and Solving ApproachSpot the pattern in the stem, run the matching routine
  12. DS-12Master Last-Day Revision SheetEverything to reread on the last evening, one page

How each page works

Built for fast revision

  • Quick Recall boxes: the facts to hold in memory
  • Formula boxes with variables, when each applies and the usual mistake
  • Students Think / Actually: the wrong intuition next to the correct rule
  • If You See This / Do This: a cue in the question and the steps to take
  • Compare tables for look-alike concepts
  • Trap boxes: a known wrong turn and its fix
  • Edge cases that change the answer
  • Decision flows to run in order
  • Master tables for quick lookup
  • Worked mini-examples
  • Diagrams

About this pack

Scope

Revision pages for the data structures in Section 4 of the GATE CS 2027 syllabus, plus hashing: arrays and linked lists, stacks, queues and expression evaluation, binary tree counts, traversals and reconstruction, binary search trees, binary heaps and priority queues, graph representations, and hashing with collisions and load factor. A master complexity table collects the operation costs in one place. Graph algorithms are covered in the Algorithms pack; AVL trees are beyond the syllabus and get one marked box.

Is it right for you?

Who it is for, and how you get it

Who it is for

GATE CS 2027 candidates who have studied the subject and want fast, reliable revision: one page per sitting of about ten minutes, then the last-day sheet before the exam.

Screen edition

For phones, tablets and laptops. Clickable bookmarks jump between pages.

Print edition

The same pages prepared for A4 printing. Both editions are included.

Preparing more than one subject?Complete GATE CS Cheat Sheet CollectionAll 12 packs including Data Structures, for ₹199 (launch price).

Before you buy

Common questions

What exactly will I receive?

A 12-page A4 PDF in two editions: a screen edition for reading on a device and a print edition prepared for A4 printing. Nothing is shipped; it is a download.

Can I read it on my phone, and can I print it?

Yes. The PDF opens in any PDF reader on phones, tablets and computers, and the bookmarks jump between pages. You may print it for your own study.

Is it for GATE 2027?

Yes. The packs follow the official GATE CS 2027 syllabus, and each pack says what is in scope and what is covered in another pack. GATE CS Mastery is independent and not affiliated with IIT, IISc or the GATE organising committee.

How is this different from ordinary short notes?

Each page answers one question and uses labelled boxes: rules with their conditions, traps with the fix, comparison tables and small worked examples. Every pack ends with a traps sheet, a question-patterns sheet and a one-page last-day sheet.

What happens after I pay?

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What if the payment succeeds but the download fails?

Do not pay again. Your purchase is recorded as soon as the payment is verified. Open My library, or write to support@gatecsmastery.com with your order ID or Razorpay payment ID. See the refund policy for when a refund applies.