Learn to Code and Code to Learn https://validator.w3.org/feed/docs/rss2.html 0 Palindrome Linked List Find the Duplicate Number Remove Nth Node From End of List Linked List Cycle II Decode the string | GFG PTOD | 01 Mar| Medium level | STACK GFG PTOD | 24 Feb | Stock span problem | Medium level | STACK GFG PTOD | 24 Feb | Stock span problem | Medium level | STACK GFG PTOD | 23 Feb | Next Greater Element | Medium level | STACK GFG PTOD | 22 Feb | Longest valid Parentheses | Hard level | STACK GFG PTOD | 21 Feb | Parenthesis Checker | Easy level | STACK GFG PTOD | 20 Feb | Find median in a stream| Medium level | HEAP GFG PTOD | 16 Feb | Serialize and deserialize a binary tree | Medium level | Tree GFG PTOD | 08 Feb | Tree Boundary Traversal | Medium level | Tree GFG PTOD | 07 Feb | Inorder Traversal | Easy level | Tree GFG PTOD | 05 Feb | Mirror Tree | Medium level | Tree GFG PTOD | 04 Feb | Diameter of a Binary Tree | Medium level | Tree GFG PTOD | 03 Feb | Height of Binary Tree | Medium level | Tree GFG PTOD | 02 Feb | Level order traversal | Medium level | Backtracking GFG PTOD | 01 Feb | Word Search | Medium level | Backtracking GFG PTOD | 31 Jan | Solve the Sudoku | Hard level | Backtracking GFG PTOD | 30 Jan | N-Queen Problem | Hard | Backtracking GFG PTOD | 29 Jan | Implement Pow GFG PTOD | 28 Jan | Permutations of a String GFG PTOD | 26 Jan | Remove loop in Linked List GFG PTOD | 25 Jan | Find the first node of loop in linked list GFG PTOD | 24 Jan | Detect Loop in linked list GFG PTOD | 23 Jan | Clone List with Next and Random GFG PTOD | 25 Jan | Find the first node of loop in linked list GFG PTOD | 22 Jan 2025 | Add Number Linked Lists GFG PTOD | 21 Jan 2025 | Linked List Group Reverse GFG PTOD | 20 Jan 2025 | Merge two sorted linked lists GFG PTOD | 17 Jan 2025 | Product array puzzle GFG PTOD | 16 Jan 2025 | Largest subarray of 0’s and 1’s GFG PTOD | 15 Jan 2025 | Longest Subarray with Sum K GFG PTOD | 13 Jan 2025 | Container With Most Water GFG PTOD | 12 Jan 2025 | Trapping Rain Water GFG PTOD | 11 Jan 2025 | Longest substring with distinct characters GFG PTOD | 10 Jan 2025 | Count distinct elements in every window GFG PTOD | 09 Jan 2025 | Indexes of Subarray Sum GFG PTOD | 08 Jan 2025 | Count the number of possible triangles GFG PTOD | 07 Jan 2025 | Pair with given sum in a sorted array GFG PTOD | 06 Jan 2025 | Sum Pair closest to target GFG PTOD | 05 Jan 2025 | Count Pairs whose sum is less than target GFG PTOD | 04 Jan 2025 | Count all triplets with given sum in sorted array GFG PTOD | 03 Jan 2025 | Count Subarrays with given XOR GFG PTOD | 02 Jan 2025 | Subarrays with sum K GFG PTOD | 01 Jan 2025 | Problem Solved Successfully GFG PTOD | 31 Dec | Longest Consecutive Subsequence GFG PTOD | 30 Dec | Union of Arrays with Duplicates GFG PTOD | 29 DEC | Intersection of Two arrays with Duplicate Elements