外企C++笔试题

1. The first two lines output by the following program are “4” and “0012FF6C”. What are the following lines output? (5%)

int main()
{
int a[] = {2,4,6,8,10};
cout << sizeof(a[1]) << endl<< &a[0] << endl<< sizeof(a) << endl<< a[3] << endl<< &a[1] << endl<< *(a+2) << endl << a << endl;return 0;}2. What is the exact output of the following program? (5%)int main(){int init[] = {2,4,6,8,10};vector v(init, init+5);
cout << "The vector is: ";for(int i=1;i