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自动平衡二叉树，可以保证每次增加，输出，查询只用log(N)的时间复杂度 模板 阅读全文
posted @ 2018-11-10 22:38
一无所知小白龙
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Zhenya moved from his parents’ home to study in other city. He didn’t take any cash with him, he only took his father’s credit card with zero balance 阅读全文
posted @ 2018-10-08 20:53
一无所知小白龙
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Lara Croft, the fiercely independent daughter of a missing adventurer, must push herself beyond her limits when she discovers the island where her fat 阅读全文
posted @ 2018-09-22 15:33
一无所知小白龙
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BaoBao and DreamGrid are playing a game using a strange button. This button is attached to an LED light (the light is initially off), a counter and a 阅读全文
posted @ 2018-09-16 19:58
一无所知小白龙
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BaoBao has a sequence a1,a2,...,an. He would like to find a subset S of {1,2,...,n} such that ∀i,j∈S, ai ⊕aj include include include include inc 阅读全文
posted @ 2018-09-16 19:49
一无所知小白龙
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"来源hdu17544" 很多学校流行一种比较的习惯。老师们很喜欢询问，从某某到某某当中，分数最高的是多少。 这让很多学生很反感。 不管你喜不喜欢，现在需要你做的是，就是按照老师的要求，写一个程序，模拟老师的询问。当然，老师有时候需要更新某位同学的成绩。 Input 本题目包含多组测试，请处理到文件 阅读全文
posted @ 2018-09-16 19:38
一无所知小白龙
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"来源hdu1166" C国的死对头A国这段时间正在进行军事演习，所以C国间谍头子Derek和他手下Tidy又开始忙乎了。A国在海岸线沿直线布置了N个工兵营地,Derek和Tidy的任务就是要监视这些工兵营地的活动情况。由于采取了某种先进的监测手段，所以每个工兵营地的人数C国都掌握的一清二楚,每个工 阅读全文
posted @ 2018-09-16 19:36
一无所知小白龙
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"来源poj3468" You have N integers, A1, A2, ... , AN. You need to deal with two kinds of operations. One type of operation is to add some given number to 阅读全文
posted @ 2018-09-16 19:34
一无所知小白龙
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一般先建立结构体，要开4倍,还有a数组，存一开始的数据 struct tree { int l,r,ans; }tr[N 1; built_tree(x,mid,i 1; if(q=x&&tr[i].r 1; if(x mid) return query_tree(x,y,i 1; build_tr 阅读全文
posted @ 2018-09-16 19:29
一无所知小白龙
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素数区间 include include include include include include include include include include define sf scanf define pf printf define scf(x) scanf("%d",&x) def 阅读全文
posted @ 2018-09-10 09:40
一无所知小白龙
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