http://www.cnblogs.com/xia520pi/archive/2012/05/16/2504205.html2023-08-18 17:50:46http://www.cnblogs.com/xia520pi/archive/2012/05/16/2504205.html http://www.cnblogs.com/madyina/p/3708153.html上一篇:c/c++常用的几个关键字总结下一篇:BZOJ 1177 [Apio2009]Oil(递推)