Data Structures & Algorithms

Arrays, Tree, Linked List, Heap, Dynamic Programming, Recursion, Backtracking etc.
Arrays 22 Backtracking 2 Binary Tree 19 Dynamic Programming 28 Graph 11 Greedy Algorithm 3 Linked List 8 Matrix 3 Recursion 11 Sorting Algorithms 1 Stack & Queue 6 Strings 11
Construct a Binary Tree from given Inorder and Preorder traversals

Posted in Binary Tree on Mar 31, 2024

Print all Subsets (Power Set) of a given array

Posted in Arrays on Mar 31, 2024

Two Sum - return index of a pair of array elements with a given sum

Posted in Arrays on Mar 31, 2024

Check if two strings are equal or not after processing backspace

Posted in Strings on Mar 31, 2024

Longest substring without repeating characters

Posted in Arrays on Mar 31, 2024