摘要： Matches GameTime Limit:1000MSMemory Limit:65536KTotal Submissions:7567Accepted:4327DescriptionHere is a simple game. In this game, there are several piles of matches and two players. The two player play in turn. In each turn, one can choose a pile and take away arbitrary number of matches from the p 阅读全文

摘要： Stock ExchangeTime Limit:1000MSMemory Limit:65536KTotal Submissions:2954Accepted:1082DescriptionThe world financial crisis is quite a subject. Some people are more relaxed while others are quite anxious. John is one of them. He is very concerned about the evolution of the stock exchange. He follows 阅读全文