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Coding
Theory
Add Edges to Make Degrees of All Nodes Even
Mid
All Paths From Source to Target
Mid
Ancestor Graph (Zero/One Parent Nodes)
Mid
BFS Subtree Count in Graph
Mid
BFS Traversal on Adjacency List
Mid
BFS/DFS Traversal
Mid
Build System Dependency
Mid
Central Management Hub
Mid
Cheapest Flights Within K Stops
Mid
Circular References in JSON
Mid
Cleaning Robot Reachable Cells
Mid
Clone Graph
Mid
Coloring A Border
Mid
Connected Components in a Graph (Company Mergers)
Mid
Corporate Conglomerates
Mid
Course Schedule
Mid
Course Schedule II
Mid
Cycle Detection in Dependencies
Mid
Cycle Detection in Package Manager
Mid
Dependency Graph Cycle Detection
Mid
Detect Circular Dependency
Mid
Detect Cycle in an Undirected Graph
Mid
Distance to a Cycle in Undirected Graph
Mid
Divide Colored Balls with Sticks (Bipartite Graph)
Mid
DSU with Metadata
Mid
Earliest Moment When Everyone Become Friends
Mid
File System Master Page Recovery
Mid
Find the Node with the Highest Edge Score in a Graph
Mid
Flight Dependencies
Mid
Graph Level Order Traversal
Mid
Graph Traversal with Constraints
Mid
Grid Escape with Shifting Walls and Teleporters
Mid
Hierarchical Management
Mid
Hops to Reach Destination
Mid
Is Graph Bipartite?
Mid
Itinerary Planner
Mid
Jump Game III
Mid
Keys and Rooms
Mid
Maze Solver with Constraints
Mid
Maze with Portals
Mid
Min Cost to Connect All Points
Mid
Minimum Cost to Reach City With Discounts
Mid
Minimum Knight Moves
Mid
Minimum Latency Path in Microservices
Mid
Network Delay Time
Mid
Number of Connected Components in an Undirected Graph
Mid
Number of Islands
Mid
Number of Nodes in the Sub-Tree With the Same Label
Mid
Number of Provinces
Mid
Open the Lock
Mid
Optimal Commute on 2D Grid
Mid
Pacific Atlantic Water Flow
Mid
Parallel Courses
Mid
Path With Maximum Minimum Value
Mid
Pathfinding Puzzle Minimum Rotations
Mid
Pin Board Connectivity
Mid
Pixel Island Count
Mid
Reachable Nodes In Subdivided Graph
Mid
Redundant Connection
Mid
Referral Program Leaderboard
Mid
Rotting Oranges
Mid
Service Dependency Graph
Mid
Shortest Path between Stations
Mid
Shortest Path Edge Participation
Mid
Shortest Path from Multiple Sources to Destination
Mid
Shortest Path in 2D Cost Matrix
Mid
Shortest Path in a Bidirectional Graph
Mid
Shortest Path in a Game Map
Mid
Shortest Path in a Grid (BFS)
Mid
Shortest Path in a Weighted Graph
Mid
Shortest Path in Binary Matrix
Mid
Single Domain Web Crawler
Mid
Sneak Path
Mid
Social Payment Graph Cycle Detection
Mid
Task Execution Order
Mid
The Maze II
Mid
TV Channel Navigation
Mid
Web Crawler
Mid
Word Chaining
Mid
Word Ladder - Find Shortest Transformation Sequence
Mid
Zero or One Parent
Mid
A* Pathfinding in a Grid
Senior
Alien Dictionary
Senior
Arbitrage Detection
Senior
BFS Maze Solver with Keys and Teleporters
Senior
Bus Routes
Senior
Cat and Mouse
Senior
Circular Sequence from Pairs
Senior
Constrained Monster Traversal
Senior
Critical Connections in a Network
Senior
DNA Sequence Reconstruction
Senior
Entrance to Vault Paths
Senior
Fastest Transportation Mode
Senior
Graph Traversal with Thresholds
Senior
Graph Valid Tree
Senior
Linked User Similarity Scoring
Senior
Maze Treasure Hunter
Senior
Minimize Path Value (Minimax Path in Graph)
Senior
Minimum Cost Path with Edge Reversals
Senior
Minimum Edge Reversals So Every Node Is Reachable
Senior
Number of Connected Components in an Undirected Graph
Senior
Number of Islands (Infinite Grid)
Senior
Number of Islands II
Senior
Parallel Courses III
Senior
Path Optimization Graph
Senior
Rat, Bread, and Cat (Max-Min Distance)
Senior
Reconstruct Itinerary
Senior
Resilient Network
Senior
Service Orchestration Log
Senior
Shortest Distance from All Buildings
Senior
Shortest Path in a Grid with Obstacles Elimination
Senior
Shortest Path to Get All Keys
Senior
Shortest Path Visiting All Nodes
Senior
Shortest Path with Dynamic Edge Weights
Senior
Sliding Puzzle
Senior
Swim in Rising Water
Senior
Word Ladder II - Find All Shortest Transformation Sequences
Senior
Top 156 Graphs Interview Questions And Answers 2025 | TechPrep