Question

一道c语言基础编程题如图

Answer 1

#include <stdio.h>
int main()
{
int x, y;

scanf("%d \n", &x);

if(x < 0)

y = -1;

else if(x == 0)

y = 0;

else

y = 1;

printf("y = %d \n", y);

}

追问

等下午问老师，如果准确再采纳，OK？

追答

随意

Answer 2

#include <stdio.h>

int main()
{
float x;

scanf("%f", &x);

if(x<0)
printf("-1");
else if(x==0)
printf("0");
else
printf("1");

return 0;
}