Difference between revisions of "2018 ACM-ICPC Shenyang Regional Onsite"

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Solved by ultmaster. 03:08 (+2)
 
Solved by ultmaster. 03:08 (+2)
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题意:有四种操作:增加点、删除点、修改和一个点距离为 $\sqrt{k}$ 的所有点的点权,询问和一个点距离为 $\sqrt{k}$ 的所有点的点权。
 +
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题解:距离为 $\sqrt{k}$ 的所有点是不多的。直接暴力即可。注意判断差为正负或为 0 的情况。
  
 
== Problem J ==
 
== Problem J ==

Revision as of 10:03, 21 October 2018

Replay

Problem C

Solved by zerol & ultmaster. 02:09 (+1)

Problem E

Solved by kblack. 02:27 (+)

Problem G

Solved by ultmaster. 03:08 (+2)

题意:有四种操作:增加点、删除点、修改和一个点距离为 $\sqrt{k}$ 的所有点的点权,询问和一个点距离为 $\sqrt{k}$ 的所有点的点权。

题解:距离为 $\sqrt{k}$ 的所有点是不多的。直接暴力即可。注意判断差为正负或为 0 的情况。

Problem J

Solved by kblack. 00:16 (+)

温暖的签到题。

Problem K

Unsolved. (-4)

Problem L

Solved by kblack. 01:29 (+3)