Practice Problems

1. Easy Level

• Find Center of Star Graph
• Find if Path Exists in Graph
• Find the Town Judge

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2. Medium Level

• Number of Islands
• Surrounded Regions
• Clone Graph
• Evaluate Division
• Course Schedule
• Course Schedule II
• Snakes and Ladders
• Minimum Genetic Mutation
• Keys and Rooms
• Number of Provinces
• Reorder Routes to Make All Paths Lead to the City Zero
• Nearest Exit from Entrance in Maze
• Rotting Oranges

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3. Hard Level

• Word Ladder
• Count Visited Nodes in a Directed Graph
• Shortest Cycle in a Graph

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