# Status Problem video Level Completes Likes
208

Dynamic Programming - Count all paths in 2D Matrix with Obstructions in it

Medium % 1
204

Dynamic Programming - Edit Distance Problem

Hard % 2
202

Dynamic Programming - Box Stacking Problem

Hard % 0
200

Dynamic Programming - Highway Billboard Problem

Hard % 0
196

Double Threaded Binary Tree Complete Implementation

Hard % 0
195

Single Threaded Binary Tree Complete Implementation

Hard % 0
194

Introduction to Threaded Binary Tree

Medium % 0
189

Convert BST to Greater Sum Tree

Medium % 0
187

Reverse Alternative 'k' nodes in a Linked List.

Medium % 0
186

Reverse a Linked List in groups of given size 'K'

Medium % 0
185

Generate Maximum revenue by selling K tickets from N windows

Medium % 0
184

Get the Sum of all left leaves in a Binary tree

Beginner % 1
183

Convert binary tree to its Sum tree

Medium % 1
175

Dynamic Programming — Longest Palindromic Subsequence

Hard % 1
174

Dynamic Programming - Maximum Product Cutting Problem

Medium % 1
171

Dynamic Programming - Longest Common Subsequence

Medium % 0
169

Dynamic Programming - Coin Change Problem

Medium % 1
168

Dynamic Programming - Minimum Cost Path Problem

Medium % 1
166

All N Length Strings from Given String of Length K

Medium % 0
165

Generate all combinations of length N

Hard % 0
162

Dynamic Programming - Subset Sum Problem

Hard % 0
161

The Word Break Problem

Hard % 0
160

Dynamic Programming - Longest Increasing Subsequence

Medium % 1
159

Solve the Knight's Tour with Backtracking

Hard % 0
158

Backtracking - Search a Word In a Matrix

Hard % 0
157

Backtracking - N Queens Problem - Better Solution

Hard % 0
156

Backtracking - N Queens Problem

Hard % 0
155

Find the Kth Smallest/Largest Element in an Array Using Heap

Beginner % 0
149

Backtracking - Rat In A Maze Puzzle

Hard % 0
146

Dynamic Programming - Stairs Climbing Puzzle

Beginner % 1
145

Dynamic Programming - Minimum Coin Change Problem

Medium % 1
143

Merge K Sorted Arrays

Hard % 0
137

Populate Next Right Pointers in Each Node

Hard % 0
135

Find Paths with Sum in Binary Tree

Medium % 0

Dynamic Programming - Count all paths in 2D Matrix with Obstructions in it

Dynamic Programming - Edit Distance Problem

Dynamic Programming - Box Stacking Problem

Dynamic Programming - Highway Billboard Problem

Double Threaded Binary Tree Complete Implementation

Single Threaded Binary Tree Complete Implementation

Introduction to Threaded Binary Tree

Convert BST to Greater Sum Tree

Reverse Alternative 'k' nodes in a Linked List.

Reverse a Linked List in groups of given size 'K'

Generate Maximum revenue by selling K tickets from N windows

Get the Sum of all left leaves in a Binary tree

Convert binary tree to its Sum tree

Dynamic Programming — Longest Palindromic Subsequence

Dynamic Programming - Maximum Product Cutting Problem

Dynamic Programming - Longest Common Subsequence

Dynamic Programming - Coin Change Problem

Dynamic Programming - Minimum Cost Path Problem

All N Length Strings from Given String of Length K

Generate all combinations of length N

Dynamic Programming - Subset Sum Problem

The Word Break Problem

Dynamic Programming - Longest Increasing Subsequence

Solve the Knight's Tour with Backtracking

Backtracking - Search a Word In a Matrix

Backtracking - N Queens Problem - Better Solution

Backtracking - N Queens Problem

Find the Kth Smallest/Largest Element in an Array Using Heap

Backtracking - Rat In A Maze Puzzle

Dynamic Programming - Stairs Climbing Puzzle

Dynamic Programming - Minimum Coin Change Problem

Merge K Sorted Arrays

Populate Next Right Pointers in Each Node

Find Paths with Sum in Binary Tree