Difference between revisions of "ACM-ICPC 2018 Nanjing Online Contest"

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(Created page with "= ECNU Foreigners = == Problem A == Solved by Mathematica. == Problem B == Solved by ultmaster. == Problem C == Solved by ultmaster. == Problem D == Solved by ultmaste...")
 
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Solved by zerol.
 
Solved by zerol.
 +
 +
题意:一开始每个集合里有一个数。要求支持操作:
 +
 +
1. 合并两个集合
 +
 +
2. 把一个集合里的数都 +1
 +
 +
3. 询问一个集合里满足 $x \equiv a \pmod 2^k$ 的 $x$ 的个数。
  
 
== Problem I ==
 
== Problem I ==

Revision as of 09:08, 1 September 2018

ECNU Foreigners

Problem A

Solved by Mathematica.

Problem B

Solved by ultmaster.

Problem C

Solved by ultmaster.

Problem D

Solved by ultmaster.

Problem E

Solved by ultmaster.

Problem F

Solved by zerol.

Problem G

Solved by kblack.

Problem H

Solved by zerol.

题意:一开始每个集合里有一个数。要求支持操作:

1. 合并两个集合

2. 把一个集合里的数都 +1

3. 询问一个集合里满足 $x \equiv a \pmod 2^k$ 的 $x$ 的个数。

Problem I

Solved by zerol.

Problem J

Solved by zerol.

Problem K

Solved by kblack.

Problem L

Solved by ultmaster.