2013年8月29日
Arbitrage
摘要： Problem DescriptionArbitrage is the use of discrepancies in currency exchange rates to transform one unit of a currency into more than one unit of the same currency. For example, suppose that 1 US Dollar buys 0.5 British pound, 1 British pound buys 10.0 French francs, and 1 French franc buys 0.21 US 阅读全文
posted @ 2013-08-29 10:11 forevermemory 阅读(291) 评论(0) 推荐(0)
Choose the best route
摘要： Problem DescriptionOne day , Kiki wants to visit one of her friends. As she is liable to carsickness , she wants to arrive at her friend’s home as soon as possible . Now give you a map of the city’s traffic route, and the stations which are near Kiki’s home so that she can take. You may suppose Kiki 阅读全文
posted @ 2013-08-29 00:40 forevermemory 阅读(197) 评论(0) 推荐(0)