int a[10] = {2,3,4,5,6,7,8,9,10} ;
n = sizeof(a) / sizeof(*a) ;
这个实际是在求a占用了多少个int(类型)位,即 10
转载于:https://www.cnblogs.com/lzy-1023/p/9372478.html
int a[10] = {2,3,4,5,6,7,8,9,10} ;
n = sizeof(a) / sizeof(*a) ;
这个实际是在求a占用了多少个int(类型)位,即 10
转载于:https://www.cnblogs.com/lzy-1023/p/9372478.html