Data Structures |
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Easy |
Medium |
Difficult |
|
2020 |
— |
1. Binary tree traversal 2. Linked List 3. AVL tree 4. Heap 5. Balanced Binary trees |
1. Graphs and Trees |
2019 |
— |
— |
1.Binary Tree |
2018 |
1.Binary Tree |
1.Linked List |
1.Graphs |
2017 Set-1 |
1.Binary Trees |
1.Trees |
1.Linked List |
2017 Set-2 |
1.BFS 2.Binary Tree |
1.Queue and linked list |
— |
2016 Set-1 |
— |
1.Queue 2.Topological ordering 3.Graphs 4.Binary Tree 5.Graphs |
1.Queues and Stacks |
2016 Set-2 |
— |
1.BFS 2.Doubly linked list 3.Tree Traversals 4.BST |
1.Graphs |
2015 Set-1 |
1. Trees 2. Heap |
— |
1. Graphs |
2015 Set-2 |
1. Binary Tree |
1. Hashing 2. Arrays |
— |
2015 Set-3 |
1. Hashing 2. Binary search tree 3. Post fix Expression 4. Binary Tree |
1. Heap Tree |
— |
2014 Set-1 |
1. Graphs |
1. Graphs 2. Quick sort 3. Hashing |
1. Binary tree |
2014 Set-2 |
1. Heap |
1. Graphs 2. Stacks and queues |
— |
2014 Set-3 |
1. Graphs |
1. Tree traversal(2) 2. Hashing |
1. Binary search Tree |
2013 |
1. Binary search tree |
1. Binary Expression |
1. Stack and queue |
2012 |
— |
1. Binary search tree 2. Recursion 3. Queues 4. Binary Trees |
— |
2011 |
1. Binary Heap |
1. Binary Trees |
— |
2010 |
1. Hashing |
1. Binary tree 2. Linked list 3. Graphs |
1. Hashing |