# Status Problem video Level Completes Likes 202 Dynamic Programming - Box Stacking Problem Hard % 0 201 Dynamic Programming - Split the String into Minimum number of Palindromes. Hard % 0 200 Dynamic Programming - Highway Billboard Problem Hard % 0 199 Dynamic Programming - Maximum Subarray Problem Medium % 0 198 Kadane's Algorithm - Maximum Subarray Problem Medium % 1 197 Convert Binary Tree into Threaded Binary Tree Hard % 0 196 Double Threaded Binary Tree Complete Implementation Hard % 0 195 Single Threaded Binary Tree Complete Implementation Hard % 0 193 Implement Stack Using Linked List Beginner % 0 190 Swap Nodes in pairs in a Linked List by changing links Medium % 0 189 Convert BST to Greater Sum Tree Medium % 0 188 Shortest Range in K-sorted Lists Hard % 1 187 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 % 1 175 Dynamic Programming — Longest Palindromic Subsequence Hard % 1 174 Dynamic Programming - Maximum Product Cutting Problem. Medium % 1 173 Dynamic Programming - Minimum Numbers are Required Whose Square Sum is Equal To a Given Number Hard % 0 172 Dynamic Programming - Longest Common Substring Medium % 0 171 Dynamic Programming - Longest Common Subsequence Medium % 0 170 Dynamic Programming - Rod Cutting Problem Medium % 1 169 Dynamic Programming - Coin Change Problem Medium % 1 168 Dynamic Programming - Minimum Cost Path Problem Medium % 1 167 Generate Well Ordered Passwords of a Given Length K Medium % 0 166 All N Length Strings from Given String of Length K Medium % 0 165 Print All N Length Strings from Given Number K Hard % 0 164 Print All Possible Subsets with Sum equal to a given Number Hard % 0 163 Dynamic Programming - Maximum size square sub-matrix with all 1s Medium % 1 161 The Word Break Problem Hard % 0 160 Dynamic Programming - Longest Increasing Subsequence Medium % 1 159 Backtracking - Knight's Tour Problem 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 Dynamic Programming - Box Stacking Problem Dynamic Programming - Split the String into Minimum number of Palindromes. Dynamic Programming - Highway Billboard Problem Dynamic Programming - Maximum Subarray Problem Kadane's Algorithm - Maximum Subarray Problem Convert Binary Tree into Threaded Binary Tree Double Threaded Binary Tree Complete Implementation Single Threaded Binary Tree Complete Implementation Implement Stack Using Linked List Swap Nodes in pairs in a Linked List by changing links Convert BST to Greater Sum Tree Shortest Range in K-sorted Lists 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 Dynamic Programming — Longest Palindromic Subsequence Dynamic Programming - Maximum Product Cutting Problem. Dynamic Programming - Minimum Numbers are Required Whose Square Sum is Equal To a Given Number Dynamic Programming - Longest Common Substring Dynamic Programming - Longest Common Subsequence Dynamic Programming - Rod Cutting Problem Dynamic Programming - Coin Change Problem Dynamic Programming - Minimum Cost Path Problem Generate Well Ordered Passwords of a Given Length K All N Length Strings from Given String of Length K Print All N Length Strings from Given Number K Print All Possible Subsets with Sum equal to a given Number Dynamic Programming - Maximum size square sub-matrix with all 1s The Word Break Problem Dynamic Programming - Longest Increasing Subsequence Backtracking - Knight's Tour Problem Backtracking - Search a Word In a Matrix Backtracking - N Queens Problem - Better Solution Backtracking - N Queens Problem 1 2 3 4 5 6 7 8 9