# include & ltstdio.h & gt
# include & ltmath.h & gt
void main()
{
int a;//求a的絕對值。
浮動b;//找到罪(b的b (b)
scanf("%d ",& ampa);
printf(" a的絕對值是%d\n ",ABS(a));
scanf("%f ",& ampb);
printf("sin(b)=%f\n ",sin(b));
}