2012 ACM-ICPC World Finals

Problem A

Unsolved.

Problem B

Solved by zerol. 01:36 (+)

Problem C

Solved by ultmaster. 02:20 (+)

Problem D

Solved by kblack. 01:16 (+)

Problem E

Solved by zerol & ultmaster. 04:18 (+2)

Problem F

Unsolved.

Problem G

Unsolved.

Problem H

Unsolved.

Problem I

Unsolved.

Problem J

Unsolved.

Problem K

Solved by kblack. 03:04 (+)

Problem L

Unsolved.