SnarkNews Winter Series - 2008, Round 2

For all problems Time Limit = 2 seconds, Memory Limit=64 Mb

Input and output filenames for Round 2 of SnarkNews Winter Series-2008:
Aproblems.inproblems.out
Bseat.inseat.out
Cformat.informat.out
Dlimit.inlimit.out
Eprizes.inprizes.out
Fpizza.inpizza.out

Text of all problems