有以下程序 #include #include void fun( double p1,double p2,double s) { s = (double )calloc( 1,sizeof(double) ); s = p1 +

admin2015-07-31 103

问题有以下程序
#include
#include
void  fun( double  *p1,double  *p2,double  *s)
{  s = (double *)calloc( 1,sizeof(double) );
*s = *p1 + *( p2+1 );
}
main()
{  double  a[2] = { 1.1, 2.2 }, b[2] = { 10.0, 20.0 }, *s=a;
fun( a, b, s );
printf( "%5.2f\n", *s);
}
程序的输出结果是

选项 A、21.10
B、11.10
C、12.10
D、 1.10