题目背景Soha的出题效率着实让人大吃一惊。OI,数学,化学的题目都出好了,物理的题还没有一道。于是,Huntfire,absi2011,lanlan对soha进行轮番炸,准备炸到soha出来,不料,人群中冲出了个kkksc03……题目描述yyy loves OI(Huntfire),yyy lov...
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其他好文 时间:
2015-10-17 10:32:59
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248
ABySS, that stands for Assembly By Short Sequences, is a de novo, parallel, paired-end sequence assembler that is designed for short reads. The single...
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其他好文 时间:
2015-10-15 01:09:48
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546
Problem DescriptionGiven two sequences of numbers : a[1], a[2], ...... , a[N], and b[1], b[2], ...... , b[M] (1 #include#include#include#include#inclu...
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其他好文 时间:
2015-10-14 23:24:06
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180
Petya loves lucky numbers. We all know that lucky numbers are the positive integers whose decimal representations contain only the lucky digits4and7. ...
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其他好文 时间:
2015-10-14 19:54:18
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183
分治法和字典树都可以,都是递归,但字典树耗内存 从第一bit开始,若相同则xor为0,分到同一部分,不相同则统计,且此时lowbit为这一bit,最后结果要乘以2 1 /*分治法*/ 2 #include 3 #define MOD 998244353 4 5 using namespac...
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其他好文 时间:
2015-10-13 20:58:53
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167
C. Marina and VasyaMarina loves strings of the same length and Vasya loves when there is a third string, different from the...
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其他好文 时间:
2015-10-08 21:33:35
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213
DescriptionThis is yet another problem dealing with regular bracket sequences.We should remind you that a bracket sequence is called regular, if by in...
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其他好文 时间:
2015-10-03 10:43:02
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269
C. Developing SkillsPetya loves computer games. Finally a game that he's been waiting for so long came out!The main character of this game hasndiffere...
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其他好文 时间:
2015-09-29 16:49:31
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258
Petya loves computer games. Finally a game that he's been waiting for so long came out!The main character of this game hasndifferent skills, each of w...
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其他好文 时间:
2015-09-28 23:40:00
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282
Mohammad has recently visited Switzerland. As he loves his friends very much, he decided to buy some chocolate for them, but as this fine chocolat...
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其他好文 时间:
2015-09-18 21:43:19
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159