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Problems4

All SourcesLeetCodeCodeforcesBOJCustom
All LevelsEasyMediumHard
query
Custom#cpq003-882
2100

Sum of Distinct Graph Paths

Phase 2 / dag, topological-order, reachability

graphdagquery
Custom#P020-341
2500

Weighted Subset XOR Query

Phase 6 / xor/subset_dp/weighted

xordpsubsetquery
Custom#P006-366
2100

Graph Path Swap Parity

Phase 5 / graphs/parity/path_reversal

graphbfsparityquery
Custom#cp-tp3-019
2450

Subtree Maximum XOR Query

Phase 3 / tree-query

treequeryxoroffline