2020 ICPC Xiaomi Invitational Second Round Online Contest

Problem A

Unsolved.

Problem B

Unsolved.

Problem C

Solved by bingoier. 00:27:30

贪心选择最后一个信封柜即可

Problem D

Unsolved.

Problem E

Unsolved.

Problem F

Unsolved.

Problem G

Solved by Once. 00:16:43

大胆猜测答案就是出现最多的字母的出现次数。

Problem H

Unsolved.

Problem I

Solved by bingoier & Once. 00:51:30(+3)

Problem J

Unsolved.

Problem K

Unsolved.