摘要：
BabelfishTime Limit:3000MSMemory Limit:65536KTotal Submissions:28581Accepted:12326题目链接：http://poj.org/problem?id=2503DescriptionYou have just moved from Waterloo to a big city. The people here speak an incomprehensible dialect of a foreign language. Fortunately, you have a dictionary to help you und 阅读全文