[UVA][正環][spfa] 10557 - XYZZY
Problem D: XYZZY
ADVENT: /ad´vent/, n.
The prototypical computer adventure game, first designed by Will Crowther
on the PDP-10 in the mid-1970s as an attempt at computer-refereed fantasy
gaming, and expanded into a puzzle-oriented game by Don Woods at Stanfo...