一个 c++ 模板

#include<cstring>
#include<cmath>
#include<algorithm>
#include<iostream>
using namespace std;
namespace myio{
	int read(){
		int x=0;char ch;
		while(!isdigit(ch=getchar()));
		do x=(x<<1)+(x<<3)+ch-'0';
		while(isdigit(ch=getchar()));
		return x;
	}void print(int x){
		if(x<0) putchar('-'),x=-x;
		if(x<10){putchar(x+48);return;}
		print(x/10);putchar(x%10+48);
	}
}
signed main(){
	return 0;
}