MyPhatshala

Data Structures

Ways to organise data, and how to choose the right one for each problem.

Beginner to Intermediate7 modules28 lessonsFree · no sign-up
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Syllabus

01 IntroductionWhy data structures matter. 3 lessons
  1. 1.1What is a data structure?Coming soon
  2. 1.2Time and space complexityComing soon
  3. 1.3Big O, Big Omega and Big ThetaComing soon
02 Arrays and StringsThe simplest structures. 4 lessons
  1. 2.1Arrays and dynamic arraysComing soon
  2. 2.2Two-pointer techniqueComing soon
  3. 2.3Sliding windowComing soon
  4. 2.4String manipulation problemsComing soon
03 Linked ListsChains of nodes. 4 lessons
  1. 3.1Singly linked listComing soon
  2. 3.2Doubly linked listComing soon
  3. 3.3Circular linked listComing soon
  4. 3.4Common linked list problemsComing soon
04 Stacks and QueuesOrdered access. 4 lessons
  1. 4.1Stack and its applicationsComing soon
  2. 4.2Queue and circular queueComing soon
  3. 4.3DequeComing soon
  4. 4.4Priority queueComing soon
05 HashingInstant lookup. 3 lessons
  1. 5.1Hash tables and hash functionsComing soon
  2. 5.2Collision handlingComing soon
  3. 5.3Hashing problemsComing soon
06 TreesHierarchical data. 6 lessons
  1. 6.1Binary trees and traversalsComing soon
  2. 6.2Binary search treesComing soon
  3. 6.3AVL trees and balancingComing soon
  4. 6.4HeapsComing soon
  5. 6.5TriesComing soon
  6. 6.6Segment treesComing soon
07 GraphsNetworks of connections. 4 lessons
  1. 7.1Graph representationComing soon
  2. 7.2BFS and DFSComing soon
  3. 7.3Topological sortComing soon
  4. 7.4Disjoint set (Union-Find)Coming soon