抓水母的派大星

摘要： 样例 样例输入 4 add Inside C# find Effective Java add Effective Java find Effective Java 样例输出 no yes 数据范围与提示 n<=30000 1 #include<stdio.h> 2 #include<algorit 阅读全文

摘要： The football season has just ended in Berland. According to the rules of Berland football, each match is played between two teams. The result of each 阅读全文