# Status Problem video Level Completes Likes 310 Dijkstra’s – Shortest Path Algorithm (SPT) – Adjacency List and Min Heap Hard % 0 280 Graph – Find Cycle in Undirected Graph using Disjoint Set (Union-Find) Hard % 0 275 Graph – Detect Cycle in a Directed Graph using colors Hard % 0 271 Snake and Ladder Problem Hard % 1 235 Majority Element- Boyer–Moore majority vote algorithm Medium % 0 234 Majority Element – Part 1 Beginner % 0 222 Maximum Subarray OR Largest Sum Contiguous Subarray Problem – Divide and Conquer Hard % 0 217 Find two elements whose sum is closest to zero Medium % 1 211 Find the first repeating character in a given string Beginner % 0 209 Find longest Snake sequence in a given matrix Medium % 1 208 Dynamic Programming - Count all paths in 2D Matrix with Obstructions in it Medium % 1 207 Dynamic Programming - Count all paths from top left to bottom right of a mXn matrix Medium % 1 205 Print All Diagonals of a given matrix Medium % 1 200 Dynamic Programming - Highway Billboard Problem Hard % 0 198 Kadane's Algorithm - Maximum Subarray Problem Medium % 1 186 Reverse a Linked List in groups of given size 'K' Medium % 0 175 Dynamic Programming — Longest Palindromic Subsequence Hard % 1 171 Dynamic Programming - Longest Common Subsequence Medium % 0 165 Generate all combinations of length N Hard % 0 163 Dynamic Programming - Maximum size square sub-matrix with all 1s Medium % 1 Dijkstra’s – Shortest Path Algorithm (SPT) – Adjacency List and Min Heap Graph – Find Cycle in Undirected Graph using Disjoint Set (Union-Find) Graph – Detect Cycle in a Directed Graph using colors Snake and Ladder Problem Majority Element- Boyer–Moore majority vote algorithm Majority Element – Part 1 Maximum Subarray OR Largest Sum Contiguous Subarray Problem – Divide and Conquer Find two elements whose sum is closest to zero Find the first repeating character in a given string Find longest Snake sequence in a given matrix Dynamic Programming - Count all paths in 2D Matrix with Obstructions in it Dynamic Programming - Count all paths from top left to bottom right of a mXn matrix Print All Diagonals of a given matrix Dynamic Programming - Highway Billboard Problem Kadane's Algorithm - Maximum Subarray Problem Reverse a Linked List in groups of given size 'K' Dynamic Programming — Longest Palindromic Subsequence Dynamic Programming - Longest Common Subsequence Generate all combinations of length N Dynamic Programming - Maximum size square sub-matrix with all 1s 1 2 3
