如下程序的執(zhí)行結(jié)果是() #include < stdio.h> main() { static int a[ ][4]={1,3,5,7,9,11,13,15,17,19,21,23}; int (*p)[4], i=1,j=2; p=a; printf(""%d \n "",(*(p+i)+j)); }
A.9 B.11 C.13 D.17
struct Date { int month;? int day; int year; }; struct Student { int num;? char name[20]; char sex; int age; struct Date birthday; float score; }stu; sizeof(stu)的值是()
A.45 B.48 C.37 D.40
A.2的n次方 B.2的n次方-1 C.2的n次方+1 D.2*n-1