摘要:
Constructing Roads In JGShining's KingdomProblem DescriptionJGShining's kingdom consists of 2n(n is no more than 500,000) small cities which are... 阅读全文
摘要:
Employment PlanningProblem DescriptionA project manager wants to determine the number of the workers needed in every month. He does know... 阅读全文