摘要： 连连看Time Limit: 20000/10000 MS (Java/Others)Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 14418Accepted Submission(s): 3778Problem Description“连连看”相信很多人都玩过。没玩过也没关系，下面我给大家介绍一下游戏规则：在一个棋盘中，放了很多的棋子。如果某两个相同的棋子，可以通过一条线连起来（这条线不能经过其它棋子），而且线的转折次数不超过两次，那么这两个棋子就可以在棋盘上消去。不好意思，由于我以前没有玩过连连看，咨询了同学的意 阅读全文

摘要： SudokuTime Limit:2000MSMemory Limit:65536KTotal Submissions:12005Accepted:5984Special JudgeDescriptionSudoku is a very simple task. A square table with 9 rows and 9 columns is divided to 9 smaller squares 3x3 as shown on the Figure. In some of the cells are written decimal digits from 1 to 9. The ot 阅读全文

摘要： Jessica's Reading ProblemTime Limit:1000MSMemory Limit:65536KTotal Submissions:6001Accepted:1800DescriptionJessica's a very lovely girl wooed by lots of boys. Recently she has a problem. The final exam is coming, yet she has spent little time on it. If she wants to pass it, she has to master 阅读全文

摘要： Spell checkerTime Limit:2000MSMemory Limit:65536KTotal Submissions:16826Accepted:6154DescriptionYou, as a member of a development team for a new spell checking program, are to write a module that will check the correctness of given words using a known dictionary of all correct words in all their for 阅读全文