Expensive Dinner solutions

Expensive Dinner was solved using Ruby by 5 contestants. Solution sizes: average 1201 bytes (shortest: 430; longest: 3933).

323.

madking (S, L) (1000 B)
665.

mame (S) (567 B)
926.

MiSawa (S) (3933 B)
1004.

NicoThieb (S, L) (555 B)
1553.