CODING QUESTIONS TOPICWISE WITH LEVEL (ADD AND DELETE QUES HERE)

SEARCHING AND SORTING QUESTIONS

• sorted array to BST

ALGORITHM ANALYSIS - TIME AND SPACE

ARRAYS

• Rainwater trapping in 2 dimension problem

LINKEDLIST

STACK

QUEUES

HASHMAP , HASHSET, HASHTABLE

GREEDY ALGORITHM

DYNAMIC PROGRAMMING

BINARY TREES AND BST

• Implementation of binary tree
• Pre order, Post order, In order traversal in binary tree.
• determine whether tree is height balanced.
• BFS-level order traversal - recursive and iterative
• mirror a tree
• spiral level order traversal
• to modify the Binary tree consisting of the sum of each node and its children.
• searching , inserting and deleting in BST
• lowest comm. ancestor in BST

PRIORITY QUEUES AND HEAPS

GRAPHS