【模板】快速输出

void wri(int k)
{
    if(k)
    {
		wri(k / 10);
   	 putchar(k % 10 + '0');
	}
}
inline void write(int k)
{
    if(k < 0) putchar('-'),k = -1 * k;
    if(k == 0){putchar('0');return;}
    wri(k);
}