2018 CCPC Online Contest

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oxx

Problem A

Solved by dreamcloud.

题意:

题解:

Problem B

Unsolved.

题意:

题解:

Problem C

Solved by oxx1108.

题意:在环中重载加法和乘法,使得在满足$(m + n) ^ p = m ^ p + n ^ p$ $p$是素数

题解:直接重载取模意义下的加和乘就行了。证明费马小定理。

Problem D

Solved by oxx1108.

题意:给定$a$和$n$求$b$和$c$,求满足$a ^ n + b ^ n = c ^ n$ 一组$b$,$c$

题解:

Problem E

Solved by oxx1108.

题意:

题解:

Problem F

Unsolved.

题意:

题解:

Problem G

Unsolved.

题意:

题解:

Problem H

Unsolved.

题意:

题解:

Problem I

Solved by oxx1108.

题意:

题解:

Problem J

Solved by dreamcloud.

题意:

题解:

ECNU Foreigners

Problem A

Solved by kblack. 00:49 (+)

Problem B

Unsolved.

Problem C

Solved by zerol. 00:50 (+)

Problem D

Solved by zerol. 00:29 (+)

Problem E

Solved by ultmaster. 02:50 (+1)

Problem F

Unsolved. (-1)

Problem G

Solved by zerol. 03:03 (+3)

Problem H

Unsolved.

Problem I

Solved by kblack. 00:26 (+1)

Problem J

Solved by ultmaster. 00:36 (+)