更新时间:2018-11-22 15:44作者:才子老师
不定向选择
1 在C++中,变量用时声明是为啥
2 命名空间的作用
3 protected成员函数能被肿么调用
4 “has-a” relationship是指的啥,答案有instance, reference, pointer等。。。
5 int, char, short, long的字节数
6 int a[10][10];
int *b[10];
以下哪个正确
a[3][4] = 91;
b[3][4] = 91;
a[1] =NULL;
b[1] = a[2];
7 12&&10, 12||10, 12&10, 3>>1, 3>1的结果
8 x86_64系统下
struct
{
int i;
char c;
double d;
};
union
{
int i;
char c;
double d;
};
char s[100];
long c;
sizeof的值
10. An employee has one or two managers, and one manager manages one or more employees. In database conceptual design, the relationship between entity sets employee and manager is
A one to one
B one to many
C many to one
D many to many
E none of the above