# Status Problem video Level Completes Likes 280 Graph – Find Cycle in Undirected Graph using Disjoint Set (Union-Find) Hard 0.00 % 0 279 Disjoint Set | Union-Find Algorithm - Union by rank and path compression Hard 0.00 % 0 278 Disjoint Set Data Structure - Union Find Algorithm Hard 0.00 % 0 277 Graph – Count all paths between source and destination Medium 0.17 % 1 276 Graph – Find Number of non reachable vertices from a given vertex Medium 0.17 % 0 274 Graph – Detect Cycle in an Undirected Graph using DFS Medium 0.17 % 0 273 Graph – Detect Cycle in a Directed Graph Medium 0.34 % 1 272 Graph – Software Installation Problem Medium 0.17 % 0 271 Snake and Ladder Problem Hard 0.34 % 1 270 Weighted Graph Implementation – JAVA Beginner 0.68 % 1 269 Graph – Depth First Search in Disconnected Graph Medium 0.34 % 1 268 Topological Sort Medium 0.34 % 1 267 Graph – Depth First Search using Recursion Beginner 0.68 % 1 266 Graph Implementation – Adjacency Matrix | Set 3 Beginner 0.34 % 1 264 Graph Implementation – Adjacency List - Better| Set 2 Beginner 0.34 % 0 258 Graph – Print all paths between source and destination Medium 0.34 % 1 257 Graph – Depth First Traversal Medium 0.68 % 2 152 Breadth-First Search/Traversal in a Graph Beginner 0.51 % 1 115 Graph Representation - Adjacency Matrix and Adjacency List Beginner 0.68 % 2 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 – Count all paths between source and destination Graph – Find Number of non reachable vertices from a given vertex Graph – Detect Cycle in an Undirected Graph using DFS Graph – Detect Cycle in a Directed Graph Graph – Software Installation Problem Snake and Ladder Problem Weighted Graph Implementation – JAVA Graph – Depth First Search in Disconnected Graph Topological Sort Graph – Depth First Search using Recursion Graph Implementation – Adjacency Matrix | Set 3 Graph Implementation – Adjacency List - Better| Set 2 Graph – Print all paths between source and destination Graph – Depth First Traversal Breadth-First Search/Traversal in a Graph Graph Representation - Adjacency Matrix and Adjacency List 1 2