QOJ.ac
QOJ
Top Rated Authored Problems
#-5181: Canuc80k
Authored Problems: : 0
#-5181: canwen
Authored Problems: : 0
#-5181: canyon
Authored Problems: : 0
#-5181: cao
Authored Problems: : 0
#-5181: caobao
Authored Problems: : 0
#-5181: CaoBenXin
Authored Problems: : 0
#-5181: caohai
Authored Problems: : 0
#-5181: caojc
Authored Problems: : 0
#-5181: caojiashuo
Authored Problems: : 0
#-5181: caolima
Authored Problems: : 0
#-5181: caolvchong
Authored Problems: : 0
#-5181: caolvchong_aa
Authored Problems: : 0
#-5181: CaoMengDe
Authored Problems: : 0
#-5181: CaoRongZhi
Authored Problems: : 0
#-5181: CaoSheng
Authored Problems: : 0
#-5181: caoshurui
Authored Problems: : 0
#-5181: caowenze
Authored Problems: : 0
#-5181: CaoYu
Authored Problems: : 0
#-5181: caozhengye
Authored Problems: : 0
#-5181: caozichen130610
Authored Problems: : 0
#-5181: CaoZiHeng
Authored Problems: : 0
#-5181: Cap1taL
Authored Problems: : 0
#-5181: CapeJasmine
Authored Problems: : 0
#-5181: Capitan
Authored Problems: : 0
#-5181: cappi
Authored Problems: : 0
#-5181: Capps
Authored Problems: : 0
#-5181: Cappse
Authored Problems: : 0
#-5181: Cappuccino
Authored Problems: : 0
#-5181: Captain_Georgia
Authored Problems: : 0
#-5181: Captainfly
Authored Problems: : 0
#-5181: captainite04
Authored Problems: : 0
#-5181: captainOI
Authored Problems: : 0
#-5181: captured
Authored Problems: : 0
#-5181: capy
Authored Problems: : 0
#-5181: carabola
Authored Problems: : 0
#-5181: caracal
Authored Problems: : 0
#-5181: Caramelo
Authored Problems: : 0
#-5181: Carameow
Authored Problems: : 0
#-5181: Carb_
Authored Problems: : 0
#-5181: carbon_monoxide
Authored Problems: : 0
#-5181: carbon111
Authored Problems: : 0
#-5181: carboxylBase
Authored Problems: : 0
#-5181: cardam
Authored Problems: : 0
#-5181: cardinal_city
Authored Problems: : 0
#-5181: CareForNight
Authored Problems: : 0
#-5181: carefree_sky
Authored Problems: : 0
#-5181: carefree123456
Authored Problems: : 0
#-5181: Carered
Authored Problems: : 0
#-5181: Carey
Authored Problems: : 0
#-5181: Carey_chen
Authored Problems: : 0
#-5181: carits
Authored Problems: : 0
#-5181: carlos
Authored Problems: : 0
#-5181: Carlos_S48
Authored Problems: : 0
#-5181: Carlos.
Authored Problems: : 0
#-5181: carlosdaniel111
Authored Problems: : 0
#-5181: CarlosS48
Authored Problems: : 0
#-5181: carlotta
Authored Problems: : 0
#-5181: Carmel_Ab1
Authored Problems: : 0
#-5181: Caro23333
Authored Problems: : 0
#-5181: carol
Authored Problems: : 0
#-5181: carol0430
Authored Problems: : 0
#-5181: carole
Authored Problems: : 0
#-5181: Caroline428
Authored Problems: : 0
#-5181: carotql
Authored Problems: : 0
#-5181: carott
Authored Problems: : 0
#-5181: Carpe_Diem
Authored Problems: : 0
#-5181: Carrie
Authored Problems: : 0
#-5181: carrot
Authored Problems: : 0
#-5181: Carrot.Meow
Authored Problems: : 0
#-5181: CarroT1212
Authored Problems: : 0
查询一个数在序列里出现的位置，先分块！二分找到所在的块，再在块内二分！这样就做到了 O(sqrt n log n)！
#-5181: CarroT5656
Authored Problems: : 0
#-5181: CarrotMeow
Authored Problems: : 0
#-5181: carrotqq
Authored Problems: : 0
#-5181: carry
Authored Problems: : 0
#-5181: carryfromsky
Authored Problems: : 0
#-5181: CarryNotKarry
Authored Problems: : 0
#-5181: carryup
Authored Problems: : 0
#-5181: carter
Authored Problems: : 0
#-5181: cartesian_alttt
Authored Problems: : 0
#-5181: cartesian_bearrr
Authored Problems: : 0
#-5181: Cartethyia
Authored Problems: : 0
#-5181: cartofel24
Authored Problems: : 0
#-5181: Carucao
Authored Problems: : 0
#-5181: casafe
Authored Problems: : 0
#-5181: casafea
Authored Problems: : 0
#-5181: casafeaa
Authored Problems: : 0
#-5181: cascaaaaa
Authored Problems: : 0
#-5181: CASCwty
Authored Problems: : 0
#-5181: cashapphelplinenumber
Authored Problems: : 0
#-5181: casid
Authored Problems: : 0
#-5181: Casio991ms
Authored Problems: : 0
#-5181: CasseroleGoose
Authored Problems: : 0
#-5181: castc
Authored Problems: : 0
#-5181: castle
Authored Problems: : 0
#-5181: castlecaffe
Authored Problems: : 0
#-5181: castobong4
Authored Problems: : 0
#-5181: castorise
Authored Problems: : 0
#-5181: CastWell
Authored Problems: : 0
#-5181: cat
Authored Problems: : 0
#-5181: cat_cat_cat
Authored Problems: : 0