chedan666的博客

题目链接：http://poj.org/problem?id=1797题目： DescriptionBackground Hugo Heavy is happy. After the breakdown of the Cargolifter project he can now expand business. But he needs a clever man who tells him w

题目网址：http://poj.org/problem?id=1860题目：Time Limit: 1000MS Memory Limit: 30000K Total Submissions: 23979 Accepted: 8696 DescriptionSeveral currency exchange points are working in our city.