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Problems4

All SourcesLeetCodeCodeforcesBOJCustom
All LevelsEasyMediumHard
dsu
Custom#cpq019
1500

Colorful Connected Components

Phase 6 / dsu/components

graphdsuconnected-componentscolors
Custom#cp013
2000

Component Merge After Edge Deletions

Phase 6 / dsu, offline, reverse delete

dsuofflinereverse delete
Custom#P005
1700

Connected Components After Queries

Phase 2 / DSU, Offline Processing

dsuofflinegraphs
Custom#ct-p4-03
2100

Rollback DSU Interval Connectivity

Phase 4 / dsu-rollback

dsuofflinedivide-and-conquer