BIT 펜윅트리

Binary Indexed Tree

 

프리퀀시 정렬

 

이지가 하나도 없네

 

 #TitleTagsAcceptanceDifficultyFrequency

315	Count of Smaller Numbers After Self	Binary SearchDivide and ConquerSortBinary Indexed TreeSegment TreeGoogle	42.4%	Hard
493	Reverse Pairs	Binary SearchDivide and ConquerSortBinary Indexed TreeSegment TreeGoogle	26.2%	Hard
218	The Skyline Problem	Divide and ConquerHeapBinary Indexed TreeSegment TreeLine SweepGoogleFacebookMicrosoftTwitterYelp	35.8%	Hard
308	Range Sum Query 2D - Mutable	Binary Indexed TreeSegment TreeGoogle	36.9%	Hard
327	Count of Range Sum	Binary SearchDivide and ConquerSortBinary Indexed TreeSegment TreeGoogle	35.7%	Hard
307	Range Sum Query - Mutable	Binary Indexed TreeSegment Tree	36.2%	Medium
1649	Create Sorted Array through Instructions	Binary Indexed TreeSegment TreeOrdered MapAkuna Capital	42.5%	Hard