icon picker
graph from start

Graph Traversal (BFS/DFS)
Table 23
Problem Title
Leetcode Link
Difficulty
Checkbox
Flood Fill
Number of Provinces
Max Area of Island
Number of Islands
Rotten Oranges
Is Graph Bipartite?
Surrounded Regions
Walls and Gates
Pacific Atlantic Water Flow
There are no rows in this table
Step 2: Topological Sorting (Kahn’s Algorithm + DFS)
Table 24
Problems
Link
Difficulty
Checkbox
Course Schedule II
Course Schedule
Minimum Height Trees
Find Eventual Safe States
Minimum Number of Vertices to Reach All Nodes
Sort Items by Groups Respecting Dependencies
There are no rows in this table
Step 3: Detecting Cycles (Directed + Undirected)
Table 25
Problem Title
LeetCode Link
Difficulty
Checkbox
Detect Cycle in a Directed Graph
Medium
Find Eventual Safe States
Medium
Reconstruct Itinerary
Hard
Find the Town Judge
Easy
Find Center of Star Graph
Easy
There are no rows in this table
Step 4: Shortest Path Algorithms (BFS, Dijkstra, Bellman-Ford, 0-1 BFS)
Table 26
Problems
Link
Difficulty
Checkbox
Path With Minimum Effort
Shortest Path in Binary Matrix
Network Delay Time
Cheapest Flights Within K Stops
Minimum Cost to Make at Least One Valid Path
There are no rows in this table
Step 5: Union Find (Disjoint Set Union - DSU)
Table 27
Problems
Link
Difficulty
Checkbox
Redundant Connection II
Redundant Connection
Graph Valid Tree
Number of Connected Components in Undirected Graph
Satisfiability of Equality Equations
Accounts Merge
Evaluate Division
There are no rows in this table
Step 6: Minimum Spanning Tree (Prim’s & Kruskal’s)
Table 28
Problem Title
LeetCode Link
Difficulty
Checkbox
Minimum Cost to Connect All Points
Connecting Cities With Minimum Cost
Optimize Water Distribution in a Village
Critical Connections in a Network
There are no rows in this table
Step 7: Backtracking + Graphs Hybrid
Table 29
Problems
Links
Difficulty
Checkbox
Word Ladder II
Word Ladder
Reconstruct Itinerary
Word Search
Word Search II
There are no rows in this table
Step 8: DP on Graphs (Memoized DFS)
Table 30
Problem Title
LeetCode Link
Difficulty
Checkbox
Longest Path in a Directed Acyclic Graph
Longest Increasing Path in a Matrix
All Paths From Source to Target
Minimum Height Trees
There are no rows in this table
Step 9: Advanced Graph Problems (Hard-Level)

Table 31
Problem
link
difficulty
Checkbox
The Maze II
The Maze
The Maze III
Word Search II
Crack the Safe
Remove Invalid Parentheses
Find the Celebrity
Alien Dictionary
There are no rows in this table
Additional Problems
Table 32
problems
link
difficulty
Checkbox
Perfect Squares
Longest Valid Parentheses
Integer Break
Out of Boundary Paths
Knight Probability in Chessboard
Cherry Pickup
Dungeon Game
There are no rows in this table


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