[求助]IF语句转换SWITCH语句写出！如何
#include<stdio.h>void main()
{
int x,y;
scanf("%d",&x);
if(x<1)
{
y=x;
printf("x=%3d, y=x=%d\n",x,y);
}
else if(x<10)
{
y=2*x-1;
printf("x=%3d, y=2*x-1=%d\n",x,y);
}
else
{
y=3*x-11;
printf("x=%3d, y=3*x-11%d\n",x,y);
}
}
大家！这个语句要用switch写出！要怎么改写！！
