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Problems2

All SourcesLeetCodeCodeforcesBOJCustom
All LevelsEasyMediumHard
data-structure
Custom#ct-p6-03
2400

Centroid Nearest Active

Phase 6 / combined-techniques

treecentroiddata-structure
Custom#ct-p5-03
2250

Versioned String Frequency

Phase 5 / string-advanced

persistent-segment-treestringdata-structure