📄️ Clone Graph
LeetCode 133 | Difficulty: Medium
📄️ Course Schedule
LeetCode 207 | Difficulty: Medium
📄️ Course Schedule II
LeetCode 210 | Difficulty: Medium
📄️ Find if Path Exists in Graph
LeetCode 2121 | Difficulty: Easy
📄️ Find the Town Judge
LeetCode 1039 | Difficulty: Easy
📄️ Island Problems
A collection of classic grid/matrix traversal problems using DFS/BFS. These problems share a common pattern of exploring connected components in a 2D grid.
📄️ Number of Connected Components in an Undirected Graph
LeetCode Link
📄️ Number of Islands
LeetCode 200 | Difficulty: Medium
📄️ Number of Provinces
LeetCode 547 | Difficulty: Medium
📄️ Reconstruct Itinerary
LeetCode 332 | Difficulty: Hard
📄️ Word Ladder
A transformation sequence from word beginWord to word endWord using a dictionary wordList is a sequence of words such that: