摘要：
Given a sequence of K integers { N1, N2, ..., NK }. A continuous subsequence is defined to be { Ni, Ni+1, ..., Nj } where 1 <= i <= j <= K. The Maximu 阅读全文
摘要：
As the manager of your company, you have to carefully consider, for each project, the time taken to finish it, the deadline, and the profit you can ga 阅读全文
摘要：
As an emergency rescue team leader of a city, you are given a special map of your country. The map shows several scattered cities connected by some ro 阅读全文