摘要：
Andy the smart computer science student was attending an algorithms class when the professor asked the students a simple question, "Can you propose an 阅读全文
摘要：
Farmer John wants to set up a telephone line at his farm. Unfortunately, the phone company is uncooperative, so he needs to pay for some of the cables 阅读全文
摘要：
描述C国有 n 个大城市和 m 条道路，每条道路连接这 n 个城市中的某两个城市。任意两个城市之间最多只有一条道路直接相连。这 m 条道路中有一部分为单向通行的道路，一部分为双向通行的道路，双向通行的道路在统计条数时也计为1条。C国幅员辽阔，各地的资源分布情况各不相同，这就导致了同一种商品在不同城市 阅读全文
摘要：
An ascending sorted sequence of distinct values is one in which some form of a less-than operator is used to order the elements from smallest to large 阅读全文