2015-2016 ACM-ICPC East Central North America Regional Contest (ECNA 2015)

Problem A

Unsolved.

Problem B

Unsolved. (-7)

Problem C

Solved by kblack. 04:36 (+9)

ultmaster：其实，大部分罚时，都是我贡献的。

Problem D

Solved by zerol. 00:44 (+)

Problem E

Solved by zerol. 00:14 (+)

Problem F

Solved by ultmaster. 01:13 (+)

Problem G

Solved by ultmaster. 02:02 (+)

Problem H

Unsolved.

Problem I

Solved by kblack. 00:24 (+)