22 lessons · DSA pattern
Graphs
You already know: DFS recursion ( Trees ), the deque queue ( Level Order ) and heapq ( Heap ) New: visited — graphs have cycles, so a search must remember…
- Graphs — Overview→
- LC-200. Number of Islands→
- LC-133. Clone Graph→
- LC-127. Word Ladder→
- LC-695. Max Area of Island→
- LC-994. Rotting Oranges→
- LC-130. Surrounded Regions→
- LC-207. Course Schedule→
- LC-417. Pacific Atlantic Water Flow→
- LC-323. Number of Connected Components in an Undirected Graph→
- LC-210. Course Schedule II→
- LC-269. Alien Dictionary→
- LC-547. Number of Provinces→
- LC-684. Redundant Connection→
- LC-743. Network Delay Time→
- LC-778. Swim in Rising Water→
- LC-787. Cheapest Flights Within K Stops→
- LC-1584. Min Cost to Connect All Points→
- LC-332. Reconstruct Itinerary→
- LC-815. Bus Routes→
- LC-847. Shortest Path Visiting All Nodes→
- Graphs Review→