Module Disjoint Set Union (DSU)

Disjoint Set Union (DSU)

**Frequency: 6/10** A simple data structure.

Resources

- [CP Algorithms: Disjoint Set Union](https://cp-algorithms.com/data_structures/disjoint_set_union.html)

Problems

DSU 642 / 654 1000
Component sum 589 / 603 1000
Minimum spanning tree 566 / 574 1100
Parking 483 / 493 1100
Remove edge 439 / 450 1200
Yet another problem 373 / 387 1200
Assignment query on tree 304 / 331 1400
Watering 224 / 229 1500
Minimum spanning tree 2 249 / 294 1600
Fatal meal 217 / 239 1600
Statement 149 / 161 1700
All pairs 151 / 160 1800
Query on tree 126 / 149 1800
Bad Apple!! 42 / 47 1800
Minimum spanning tree 3 85 / 102 1900