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Problems5

All SourcesLeetCodeCodeforcesBOJCustom
All LevelsEasyMediumHard
frequency
Custom#cpq006-641
2200

Tree Branch Maximum Frequency

Phase 3 / tree, lca, frequency

treelcafrequencypath-query
Custom#cp001-893
1500

Modulo K Equal Frequency

Phase 5 / arrays, greedy, math

arraysgreedyfrequencymodulo
Custom#cp009
2000

Range k-Occurrence Query

Phase 6 / mo's algorithm, frequency, range query

mo's algorithmrange queryfrequency
Custom#cptp020
1500

Longest Subarray with Limited Changes

Phase 4 / sliding_window, frequency_map

sliding-windowarraysfrequency
Custom#p011
1650

Colorful Range Queries

Phase 1 / mo, sqrt_decomp

mo's algorithmrange queryfrequency