#include <stdio.h>
int main()
{
puts("转载请注明出处[辗转山河弋流歌 by 空灰冰魂]谢谢");
puts("网址：blog.csdn.net/vmurder/article/details/46467273");
}同BZOJ3143 游走
http://blog.csdn.net/Vmurder/article/details/44542575
原文：http://www.cnblogs.com/gcczhongduan/p/5201922.html