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Medium
Number of Ways To Make Change
Given a target amount and a set of denominations (coins), find the total number of ways the given target amount can be expressed by using the denomina...
Easy
Flatten A Nested Object
Flatten a nested object that contains arrays and objects as children. The task is to make the object flat, i.e. there should be no nested children lef...
Easy
Remove Duplicates From a Linked List
Given a sorted linked list, delete all duplicates such that each element appear only once.
Easy
Depth First Search
Depth-first search (DFS) is an algorithm for traversing or searching tree or graph data structures. The algorithm starts at the root node (selecting s...
Hard
Command Palette
Create a Command Palette that opens up with Keyboard events like Command + K. In this problem, The command palette will have navigation links to which...
Easy
BST Traversal
Given a Binary Search Tree, Traverse the tree in Preorder, Postorder, and inorder traversal.
Medium
Levenshtein Distance
Given 2 strings, find the minimum number of operations required to change one string to the other. An operation is defined as either replacement of a ...