OI超级加速挂

//--------------------------------------------------------------
namespace fastIO {
	#define BUF_SIZE 100000
	//fread -> read
	bool IOerror = 0;
	inline char nc() {
		static char buf[BUF_SIZE], *p1 = buf + BUF_SIZE, *pend = buf + BUF_SIZE;
		if(p1 == pend) {
			p1 = buf;
			pend = buf + fread(buf, 1, BUF_SIZE, stdin);
			if(pend == p1) {
				IOerror = 1;
				return -1;
			}
		}
		return *p1++;
	}
	inline bool blank(char ch) {
		return ch == ' ' || ch == '
' || ch == '
' || ch == '	';
	}
	inline void read(int &x) {
		char ch;
		while(blank(ch = nc()));
		if(IOerror) return;
		for(x = ch - '0'; (ch = nc()) >= '0' && ch <= '9'; x = x * 10 + ch - '0');
	}
	#undef BUF_SIZE
};

using namespace fastIO;
//-----------------------------------------------------------

使用样例:HDU - 6396 Swordsman

原文地址:https://www.cnblogs.com/vocaloid01/p/9514000.html