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Re:找了个读入优化，T了，scanf就A了

Posted by w007878 at 2014-02-26 22:36:34 on Problem 3349
In Reply To:找了个读入优化，T了，scanf就A了 Posted by:justryit at 2013-08-06 14:28:06

判断太多了……我习惯这么写
inline int getint()
{
	int ans(0); char w = getchar();
	while(w < '0' || '9' < w)w = getchar();
	while('0' <= w && w <= '9')
	{
		ans = ans * 10 + w - '0';
		w = getchar();
	}
	return ans;
}
确实比scanf快一些，仅供参考

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