What will be the output of the following C++ code?
#include<iostream>
#include<iterator>
#include<vector>
using namespace std;
int main()
{
vector<int> ar = { 1, 2, 3, 4, 5 };
vector<int>::iterator ptr = ar.begin();
advance(ptr, 2);
cout << *ptr << endl;
return 0;
}
#include<iostream>
#include<iterator>
#include<vector>
using namespace std;
int main()
{
vector<int> ar = { 1, 2, 3, 4, 5 };
vector<int>::iterator ptr = ar.begin();
advance(ptr, 2);
cout << *ptr << endl;
return 0;
}A. 2
B. 3
C. 4
D. 5
Answer: Option B
This Question Belongs to C Plus Plus Programming >> C Plus Plus Miscellaneous
What does the 'sizeof' operator return in C++?
A. Size of a data type in bits
B. Size of a data type in bytes
C. Size of a variable in bytes
D. Size of a variable in bits
What is the purpose of the 'static' keyword in C++?
A. To declare a variable with dynamic storage duration
B. To declare a constant
C. To declare a variable with external linkage
D. To declare a variable with static storage duration
What is the difference between '++i' and 'i++' in C++?
A. None of the above
B. They both have the same effect
C. '++i' increments the value of 'i' before returning it, while 'i++' increments the value of 'i' after returning it
D. '++i' increments the value of 'i' after returning it, while 'i++' increments the value of 'i' before returning it
Join The Discussion