摘要：
Description One of the most popular attractions at the county fair is the climbing wall. Bessie wants to plan her trip up the wall in advance and need 阅读全文
摘要：
Description It's election time. The farm is partitioned into a 5x5 grid of cow locations, each of which holds either a Holstein ('H') or Jersey ('J') 阅读全文
摘要：
Description As a reward for record milk production, Farmer John has decided to start paying Bessie the cow a small weekly allowance. FJ has a set of c 阅读全文