What will be the output of the following C++ code?
#include <iostream>
#include <vector>
using namespace std;
int main()
{
vector<int> v;
for (int i = 1; i <= 5; i++)
v.push_back(i);
vector<int> :: const_iterator i;
i = v.begin();
*i = 3;
for (i = v.begin(); i != v.end(); ++i)
cout << *i << " ";
cout<<endl;
return 0;
}
#include <iostream>
#include <vector>
using namespace std;
int main()
{
vector<int> v;
for (int i = 1; i <= 5; i++)
v.push_back(i);
vector<int> :: const_iterator i;
i = v.begin();
*i = 3;
for (i = v.begin(); i != v.end(); ++i)
cout << *i << " ";
cout<<endl;
return 0;
}
A. 1 2 3 4 5
B. 3 2 3 4 5
C. Error
D. Segmentation fault
Answer: Option C
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
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