# Status Problem video Level Completes Likes 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 % 0 134 Diameter Of a Binary Tree Hard % 1 132 Find the Deepest Node in a Binary Tree Medium % 1 125 Find the Increasing Triplet Sub-sequence in an array Medium % 0 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 Diameter Of a Binary Tree Find the Deepest Node in a Binary Tree Find the Increasing Triplet Sub-sequence in an array 1 2 3 4 5
