# Status Problem video Level Completes Likes 251 Dynamic Programming - Egg Dropping Problem Hard % 0 250 Nuts & Bolts Problem (Lock & Key problem) Beginner % 0 235 Majority Element- Boyer–Moore majority vote algorithm Medium % 0 216 Find the element which appears maximum number of times in the array Medium % 0 198 Kadane's Algorithm - Maximum Subarray Problem Medium % 1 169 Dynamic Programming - Coin Change Problem Medium % 1 162 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 % 0 146 Dynamic Programming - Stairs Climbing Puzzle Beginner % 1 145 Dynamic Programming - Minimum Coin Change Problem Medium % 1 121 Print All the Subsets of a Given Set (Power Set) Hard % 1 106 Reverse a Doubly-Linked List (In-place Algorithm) Medium % 0 82 Find Nodes at Distance X from a Given Node in a Tree Hard % 0 22 Find Intersection Point in Two Linked Lists Medium % 0 Dynamic Programming - Egg Dropping Problem Nuts & Bolts Problem (Lock & Key problem) Majority Element- Boyer–Moore majority vote algorithm Find the element which appears maximum number of times in the array Kadane's Algorithm - Maximum Subarray Problem Dynamic Programming - Coin Change Problem 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 Dynamic Programming - Stairs Climbing Puzzle Dynamic Programming - Minimum Coin Change Problem Print All the Subsets of a Given Set (Power Set) Reverse a Doubly-Linked List (In-place Algorithm) Find Nodes at Distance X from a Given Node in a Tree Find Intersection Point in Two Linked Lists 1 2