What will be the output of the following C++ code?
#include <iostream>
#include <algorithm>
#include <vector>
using namespace std;
int main ()
{
int myints[]={ 10, 20, 30, 40, 50 };
vector<int> myvector (4, 99);
iter_swap(myints, myvector.begin());
iter_swap(myints + 3,myvector.begin() + 2);
for (vector<int> :: iterator it = myvector.begin();
it != myvector.end(); ++it)
cout << ' ' << *it;
return 0;
}
#include <iostream>
#include <algorithm>
#include <vector>
using namespace std;
int main ()
{
int myints[]={ 10, 20, 30, 40, 50 };
vector<int> myvector (4, 99);
iter_swap(myints, myvector.begin());
iter_swap(myints + 3,myvector.begin() + 2);
for (vector<int> :: iterator it = myvector.begin();
it != myvector.end(); ++it)
cout << ' ' << *it;
return 0;
}A. 10
B. 10 40
C. 10 99 40 99
D. 99 40 10
Answer: Option C
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

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