输入x的值并要求下列函数输出x和y

Question

Answer 1

#include <stdio.h>
#include <math.h>
int main()
{
    int x,y=0;
    scanf("%d",&x);
    
    switch(x)
    {
        case -2000 ... 1:
            y=x;
            break;
        case 2 ... 5:
            y=x*x+1;
            break;
        case 6 ... 9:
            y=sqrt(x+1);
            break;
        default:
            y=1/(x+1);
    }
    printf("x=%d y=%d\n",x,y);
}