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Problems6

All SourcesLeetCodeCodeforcesBOJCustom
All LevelsEasyMediumHard
dfs
Custom#cp004-347
1800

Tree Path K-Split Sums

Phase 5 / trees, dfs, prefix sums

treesdfspath queries
Custom#cpq008
1800

Treewise Bitwise Convolution

Phase 6 / tree/xor

treexorsubtreedfs
Custom#cp015
2100

Weighted Tree Diameter with Forbidden Vertices

Phase 6 / tree, dfs, component, diameter

treediameterdfscomponent
Custom#p018
2150

Balanced Subtree Queries

Phase 1 / tree, dfs, dp

treedpdfssubtree
Custom#p006
1750

Minimal Operations to Make Graph Bipartite

Phase 1 / graph, dfs, coloring

graphbipartitedfscycles
Custom#ct-p2-03
1700

Subtree Token Harvest

Phase 2 / tree-dp-intro

treedfsdpinduction