摘要:
题目描述 Bessie, always wishing to optimize her life, has realized that she really enjoys visiting F (1 <= F <= P) favorite pastures F_i of the P (1 <= P 阅读全文
摘要:
题目描述 Bessie is playing hide and seek (a game in which a number of players hide and a single player (the seeker) attempts to find them after which vari 阅读全文
摘要:
题目描述 Bessie and her sister Elsie graze in different fields during the day, and in the evening they both want to walk back to the barn to rest. Being c 阅读全文