摘要：
WatchcowTime Limit:3000MSMemory Limit:65536KTotal Submissions:5258Accepted:2206Special JudgeDescriptionBessie's been appointed the new watch-cow for the farm. Every night, it's her job to walk across the farm and make sure that no evildoers are doing any evil. She begins at the barn, makes h 阅读全文
摘要：
CatenymsTime Limit:1000MSMemory Limit:65536KTotal Submissions:8173Accepted:2149DescriptionA catenym is a pair of words separated by a period such that the last letter of the first word is the same as the last letter of the second. For example, the following are catenyms:dog.gophergopher.ratrat.tiger 阅读全文