摘要：
题目链接http://acm.hdu.edu.cn/showproblem.php?pid=2222.#include #include #include #include #include #include #include #include #include #include #include #include #include #define X first#define Y second#define sqr(x) (x)*(x)#pragma comment(linker,"/STACK:102400000,102400000")using namespace s 阅读全文
