C++ miscellaneous MCQ question and answer with solution | C++ Programimg MCQs

#include <iostream> 
#include <vector> 
#include <forward_list>  
 
using namespace std; 
 
int main() 
{ 
    forward_list<int> fl1 = {1,2,3,4,5};
    for (int&c : fl1)  
        cout << c << " ";
    cout<<endl;
    forward_list<int>::iterator ptr = fl1.begin(); 
    fl1.erase_after(ptr);
    for (int&c : fl1)  
        cout << c << " ";
    cout<<endl;
    return 0; 
}

#include <iostream>
#include <vector>
#include<iterator>
using namespace std;
int main ()
{
    vector<int> myvector;
    for (int i = 1; i <= 10; i++)
    myvector.push_back(i);
    myvector.erase (myvector.begin() + 6);
    myvector.erase (myvector.begin(), myvector.begin() + 4);
    for (unsigned i = 0; i < myvector.size(); ++i)
    cout << ' ' << myvector[i];
    return 0;
}