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Problems21

All SourcesLeetCodeCodeforcesBOJCustom
All LevelsEasyMediumHard
array
Custom#cp005
1600

Sequence Periodic Repeats

Phase 5 / string, array, hashing, two pointers

stringarrayhashperiodicity
Custom#cptp006
1400

Minimal Cost Array Rotation

Phase 4 / array_rotation, monotonicity

arrayrotationgreedy
Custom#cptp001
1500

Minimum Segment Sum Split

Phase 4 / binary_search_on_answer

arraybinary-searchgreedyprefix-sum
Custom#cp-tp3-020
1775

Lexicographical Array Jump

Phase 3 / array-jump

arrayjumpgreedylex-order
Custom#cp-tp3-018
2300

Longest Monotone Bitwise Subsequence

Phase 3 / bitwise-lis

arraybitwiseLISdp
Custom#cp-tp3-015
1550

Counting Visible Peaks

Phase 3 / array-peaks

arraymonotonic-stackvisibility
Custom#cp-tp3-008
1500

Equal Height Pyramid

Phase 3 / greedy-operations

greedyarrayoperations
Custom#cp-tp3-005
1850

Circular Array Maximum Modulo

Phase 3 / circular-partition

arraycircularpartitionbinary-search
Custom#cp-tp3-003
1650

Weighted Range Reversal

Phase 3 / array-reversal

arrayprefix-sumreversaloptimization
12