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

#include <vector> 
#include <algorithm> 
#include <iostream> 
 
using namespace std;
 
int main() 
{ 
    vector<int> v(10, 2); 
    if (all_of(v.cbegin(), v.cend(), [](int i){ return i % 2 == 0; })) 
    { 
	cout << "All numbers are even\n"; 
    } 
    else
    {
	cout << "All numbers are not even\n"; 
    }
    return 0;
}

#include <iostream>
#include <limits>
using namespace std;
int main( )
{
    cout << numeric_limits<float> :: min_exponent << endl;
}

#include <iostream> 
#include <vector> 
#include <forward_list>  
 
using namespace std; 
 
int main() 
{ 
    forward_list<int> fl1;
    fl1.assign(5,10);
    for (int&c : fl1)  
        cout << c << " ";
    cout<<endl;
    fl1.insert_after(fl1.begin(), {1,2,3});
    for (int&c : fl1)  
        cout << c << " ";
    cout<<endl; 
    return 0; 
}