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Problems3

All SourcesLeetCodeCodeforcesBOJCustom
All LevelsEasyMediumHard
segment tree
Custom#cp019-345
2100

Longest Good Segment After Deletions

Phase 5 / segment tree, offline queries

segment treeofflinerange query
Custom#cp015-512
2300

Increasing Subarrays with K Changes

Phase 5 / segment tree, binary search

segment treequeriestwo pointers
Custom#P019
2300

Range GCD Update and Query

Phase 2 / Segment Tree, Lazy Propagation

segment treerange updategcd