Featured Lists Top 20 Problems on Dynamic programming Top 10 Problems on Backtracking Top 20 Problems on Graph Top 25 Problems on Trees Top 10 Problems on Bits Manipulation Top 15 Problems in LinkedList All Problems # Status Problem video Level Completes Likes 36 Find the Maximum Depth OR Height of a Binary Tree Beginner % 1 35 Adding Two Numbers with Linked Lists Medium % 0 34 Add two numbers represented by a linked list, Numbers are Stored in REVERSE order Medium % 0 33 Reverse the binary representation of a number. Medium % 1 32 Binary Search Tree (BST) Complete Implementation. Beginner % 0 31 Reverse a Linked List Using Recursion Medium % 0 30 Swap Every Kth Node in a LinkedList Medium % 0 29 Delete a Node in the Middle of a Linked List Without Access to Head Node Beginner % 0 28 Determine the Nth Node from the Tail in a Linked List Beginner % 0 27 Remove Duplicates from an Unsorted Linked list Beginner % 0 26 Check if one string is Rotation of another string Beginner % 1 25 String Compression using count of repeated characters - Run Length Encoding Beginner % 0 24 Replace Spaces with '%20' Without Using Default Functions Medium % 0 23 Find Whether Two Strings are Permutation of each other Beginner % 1 22 Find Intersection Point in Two Linked Lists Medium % 0 21 Linked List cycle detection - Tortoise and Hare Algorithm Medium % 0 20 Reverse a Linked List Beginner % 0 19 Exploring All Paths, Including Diagonal, from Top Left to Bottom Right in 2D Array Medium % 1 18 All Paths from Top Left to Bottom Right in 2D Array Medium % 0 17 Merge or Combine Two Sorted Linked Lists Medium % 0 Find the Maximum Depth OR Height of a Binary Tree Adding Two Numbers with Linked Lists Add two numbers represented by a linked list, Numbers are Stored in REVERSE order Reverse the binary representation of a number. Binary Search Tree (BST) Complete Implementation. Reverse a Linked List Using Recursion Swap Every Kth Node in a LinkedList Delete a Node in the Middle of a Linked List Without Access to Head Node Determine the Nth Node from the Tail in a Linked List Remove Duplicates from an Unsorted Linked list Check if one string is Rotation of another string String Compression using count of repeated characters - Run Length Encoding Replace Spaces with '%20' Without Using Default Functions Find Whether Two Strings are Permutation of each other Find Intersection Point in Two Linked Lists Linked List cycle detection - Tortoise and Hare Algorithm Reverse a Linked List Exploring All Paths, Including Diagonal, from Top Left to Bottom Right in 2D Array All Paths from Top Left to Bottom Right in 2D Array Merge or Combine Two Sorted Linked Lists 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28
