输入x计算分段函数sign(x)的值,要求定义和调用sign(x),实现函数sign(x)=1 (x>0)

#include
int sign(double x)
{
return x > 0 ? 1 : 0;
}
int main()
{
int x;
scanf("%d",&x);
printf("%d\n",sign(x));
system("pause");
return 0;
}
//补充一下,还不知道当xsign‘<0,则-1， sign=0，则0#include int sign(double x){return x > 0 ? 1 : x == 0 ? 0 : -1;}int main(){int x;scanf("%d",&x);printf("%d\n",sign(x));system("pause");return 0;}