Union-Find

6 questions

1Connecting Cities With Minimum CostMedium

Union-FindGraph TheoryHeap (Priority Queue)

2Find Critical and Pseudo-Critical Edges in Minimum Spanning TreeHard

Union-FindGraph TheorySorting

3Number of Unique CategoriesMedium

Union-FindInteractiveCounting

4Connecting Cities With Minimum CostMedium

Union-FindGraph TheoryHeap (Priority Queue)

5Find Critical and Pseudo-Critical Edges in Minimum Spanning TreeHard

Union-FindGraph TheorySorting

6Number of Unique CategoriesMedium

Union-FindInteractiveCounting