摘要:
Pku2110 Mountain Walking Description Farmer John and Bessie the cow have embarked on one of those 'active' vacations. They spend entire days walking i 阅读全文
摘要:
Description N (2 <= N <= 8,000) cows have unique brands in the range 1..N. In a spectacular display of poor judgment, they visited the neighborhood 'w 阅读全文