【模板】快速读入

快速读入模板。

inline int read()
{
	int x = 0;char ch = getchar();char c = ch;
	while(ch > '9' || ch < '0')c = ch, ch = getchar();
	while(ch <= '9' && ch >= '0')x = x * 10 + ch - '0',ch = getchar();
	if(c == '-')x = x * -1;
	return x;
}