C++快读、快写模版

inline int read() {
	char ch = getchar();
	int x = 0,f = 1;
  	while (!isdigit(ch)) if (ch == '-') f = -1,ch = getchar();
  	while (isdigit(ch)) x = x * 10 + ch - '0',ch = getchar();
  	return x * f;
}

inline void print(int n){
    if(n < 0){
        putchar('-');
        n *= -1;
    }
    if(n > 9) print(n / 10);
    putchar(n % 10 + '0');
}