Difference between revisions of "2016-2017 CT S03E07: HackerEarth Problems Compilation"

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Solved by ultmaster. 04:51 (+4)
 
Solved by ultmaster. 04:51 (+4)
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题意:给 $n$ 个串,有两种操作,一种是给某个串加一个字符,另一种是求存不存在一个串是查询串的子串。强制在线。
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题解:由于限制了总长,所以不同的长度不会太多(根号级别)。枚举长度匹配一下哈希就行。把素数改成 unsigned long long 就能 AC 了。
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所以为什么大家都是用自动机过的啊?
  
 
== Problem B ==
 
== Problem B ==

Revision as of 10:44, 9 December 2018

Problem A

Solved by ultmaster. 04:51 (+4)

题意:给 $n$ 个串,有两种操作,一种是给某个串加一个字符,另一种是求存不存在一个串是查询串的子串。强制在线。

题解:由于限制了总长,所以不同的长度不会太多(根号级别)。枚举长度匹配一下哈希就行。把素数改成 unsigned long long 就能 AC 了。

所以为什么大家都是用自动机过的啊?

Problem B

Solved by zerol. 00:13 (+)

Problem C

Solved by ultmaster. 01:13 (+)

Problem D

Solved by zerol & kblack. 02:30 (+5)

Problem E

Solved by ultmaster. 00:16 (+)

排序签到。

Problem F

Solved by ultmaster. 03:31 (+1)

Problem G

Solved by zerol. 04:01 (+)

Problem I

Solved by kblack. 01:36 (+1)

Problem J

Solved by kblack. 03:49 (+4)

Problem K

Solved by ultmaster. 02:12 (+)