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
Add 1 to a number represented as a linked list

Posted in Linked List on Mar 31, 2024

Add two numbers represented by linked lists

Posted in Linked List on Mar 31, 2024

Fractional Knapsack Problem (Greedy Approach)

Posted in Greedy Algorithm on Mar 31, 2024

Count Palindromic Subsequence (Recursion & DP)

Posted in Dynamic Programming on Mar 31, 2024

Alternating +ve & -ve in array in O(1) time (maintaining order)

Posted in Arrays on Mar 31, 2024

Swap all occurrences of two characters to get lexicographically smallest string

Posted in Strings on Mar 31, 2024

What is the O/1 knapsack problem?

Posted in Dynamic Programming on Mar 31, 2024

Coin change problem: Maximum number of ways (Dynamic Programming)

Posted in Dynamic Programming on Mar 31, 2024

Buy and sell stocks to maximise profit (Unlimited transactions)

Posted in Dynamic Programming on Mar 31, 2024

Merge Sort Algorithm (Code & Complexity Analysis)

Posted in Sorting Algorithms on Mar 31, 2024