743. Network Delay Time 2023-05-03 4 min read # Shortest Path # Depth First Search&Bread First Search # LeetCode
1135. Connecting Cities With Minimum Cost 2023-04-24 5 min read # Minimum Spanning Tree # Union Find # Graph # LeetCode
323. Number of Connected Components in an Undirected Graph 2023-04-23 2 min read # Union Find # Graph # Tree # LeetCode