摘要：
http://poj.org/problem?id=2230WatchcowTime Limit:3000MSMemory Limit:65536KTotal Submissions:5236Accepted:2194Special 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. S 阅读全文
摘要：
http://poj.org/problem?id=1386Play on WordsTime Limit:1000MSMemory Limit:10000KTotal Submissions:8092Accepted:2848DescriptionSome of the secret doors contain a very interesting word puzzle. The team of archaeologists has to solve it to open that doors. Because there is no other way to open the doors 阅读全文