下面程序的输出是()。 int main(){ struct cmplx{ int x; int y; }cnum[2]={1,3,2,7}; printf("%d\n",cnum[0].y/cnum[0].x*cnum[1].x); }
A. 0
B. 1
C. 3
D. 6
下面程序的输出结果是( ) struct st{ int x;int *y; };int dt[4]={10,20,30,40};struct st *p,aa[4]={50,&dt[0],60,&dt[1],70,&dt[2],80,&dt[3]};int main(){ p=aa;printf("%d ",++p→x); printf("%d ",(++p)→x);printf("%d ",++(*p→y)); }
A. 10 20 31
B. 50 60 21
C. 51 60 2l
D. 60 70 31