C++

int num [ ] = { 1,2,3,3,4,5,6,7,8 }

vector vec (num, num + 8) ;

vector : : iterator iter ;

iter = vec . begin ( ) ;

Question 1. What is the result of execute the instruction num [4] ;?

a)2

b)7

c) unknown

Question 2. How many elements does the vector vec contain?

a)0

b)10

c)16