# Status Problem video Level Completes Likes 284 Prim’s – Minimum Spanning Tree (MST) |using Adjacency List and Priority Queue with decrease key Hard % 0 283 Prim’s – Minimum Spanning Tree (MST) |using Adjacency List and Min Heap Hard % 1 282 Prim’s - Minimum Spanning Tree (MST) |using Adjacency Matrix Hard % 0 281 Prim’s Algorithm - Minimum Spanning Tree (MST) Hard % 0 280 Graph – Find Cycle in Undirected Graph using Disjoint Set (Union-Find) Hard % 0 279 Disjoint Set | Union-Find Algorithm - Union by rank and path compression Hard % 0 278 Disjoint Set Data Structure - Union Find Algorithm Hard % 0 275 Graph – Detect Cycle in a Directed Graph using colors Hard % 0 271 Snake and Ladder Problem Hard % 1 262 Count and print all Subarrays with product less than K in O(n) Hard % 0 261 Sliding Window Algorithm (Track the maximum of each subarray of size k) Hard % 0 256 Print all sub sequences of a given array Hard % 0 254 Sum of all sub arrays in O(n) Time Hard % 0 252 Text Justification Problem (OR Word Wrap Problem) - Leetcode 68 Hard % 0 251 Dynamic Programming - Egg Dropping Problem Hard % 0 246 Dynamic programming – Minimum Jumps to reach to end Hard % 0 245 Dynamic programming – Printer Problem | Leetcode Hard % 0 244 Dynamic programming - Remove Boxes Problem | leetcode Hard % 0 243 Find two non-repeating numbers in an array in O(n) time and O(1) space Hard % 1 240 All elements appears thrice and one element appears once. Find that element in O(n) time and O(1) space Hard % 1 222 Maximum Subarray OR Largest Sum Contiguous Subarray Problem – Divide and Conquer Hard % 0 210 k-Nearest Neighbors Hard % 0 204 Dynamic Programming - Edit Distance Problem Hard % 2 203 Dynamic Programming - Coin In a Line Game Problem Hard % 0 202 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 % 0 197 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 % 0 188 Shortest Range in K-sorted Lists Hard % 1 175 Dynamic Programming — Longest Palindromic Subsequence Hard % 1 173 Minimize Square Sums: Fewest Perfect Squares to Reach a Target (Dynamic Programming) Hard % 0 165 Generate all combinations of length N Hard % 0 164 Print All Possible Subsets with Sum equal to a given Number Hard % 0 Prim’s – Minimum Spanning Tree (MST) |using Adjacency List and Priority Queue with decrease key Prim’s – Minimum Spanning Tree (MST) |using Adjacency List and Min Heap Prim’s - Minimum Spanning Tree (MST) |using Adjacency Matrix Prim’s Algorithm - Minimum Spanning Tree (MST) Graph – Find Cycle in Undirected Graph using Disjoint Set (Union-Find) Disjoint Set | Union-Find Algorithm - Union by rank and path compression Disjoint Set Data Structure - Union Find Algorithm Graph – Detect Cycle in a Directed Graph using colors Snake and Ladder Problem Count and print all Subarrays with product less than K in O(n) Sliding Window Algorithm (Track the maximum of each subarray of size k) Print all sub sequences of a given array Sum of all sub arrays in O(n) Time Text Justification Problem (OR Word Wrap Problem) - Leetcode 68 Dynamic Programming - Egg Dropping Problem Dynamic programming – Minimum Jumps to reach to end Dynamic programming – Printer Problem | Leetcode Dynamic programming - Remove Boxes Problem | leetcode Find two non-repeating numbers in an array in O(n) time and O(1) space All elements appears thrice and one element appears once. Find that element in O(n) time and O(1) space Maximum Subarray OR Largest Sum Contiguous Subarray Problem – Divide and Conquer k-Nearest Neighbors Dynamic Programming - Edit Distance Problem Dynamic Programming - Coin In a Line Game Problem Dynamic Programming - Box Stacking Problem Dynamic Programming - Split the String into Minimum number of Palindromes. Dynamic Programming - Highway Billboard Problem Convert Binary Tree into Threaded Binary Tree Double Threaded Binary Tree Complete Implementation Single Threaded Binary Tree Complete Implementation Shortest Range in K-sorted Lists Dynamic Programming — Longest Palindromic Subsequence Minimize Square Sums: Fewest Perfect Squares to Reach a Target (Dynamic Programming) Generate all combinations of length N Print All Possible Subsets with Sum equal to a given Number 1 2 3
