快读

妈妈再也不用担心我不会写快读啦（bushi

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

话说这篇好氵啊：（

标签：写快,ch,int,char,while,快读,getchar
来源： https://www.cnblogs.com/zahng/p/15137945.html