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Welcome to the Objects and Iterators in C++ MCQs Page

Dive deep into the fascinating world of Objects and Iterators in C++ with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Objects and Iterators in C++, a crucial aspect of Object Oriented Programming Using C++. In this section, you will encounter a diverse range of MCQs that cover various aspects of Objects and Iterators in C++, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within Object Oriented Programming Using C++.

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Check out the MCQs below to embark on an enriching journey through Objects and Iterators in C++. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of Object Oriented Programming Using C++.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Objects and Iterators in C++. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Objects and Iterators in C++ MCQs | Page 5 of 15

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Q41.
Pick out the incorrect method in non-modifying sequence algorithm?
Discuss
Answer: (d).like
Discuss
Answer: (c).Marks the elements in a sequence
Q43.
What kind of object is modifying sequence algorithm?
Discuss
Answer: (a).Function template
Q44.
How the sequence of objects can be accessed?
Discuss
Answer: (c).Both Iterators & Pointers
Q45.
What is the output of this program?
    #include <iostream>
    #include <algorithm>
    #include <vector>
    using namespace std;
    int main () 
    {
        vector<int> myvector (5);
        fill (myvector.begin(), myvector.begin() + 4, 5);
        fill (myvector.begin() + 3,myvector.end() - 2, 8);
        for (vector<int> :: iterator it = myvector.begin();
            it != myvector.end(); ++it)
        cout << ' ' << *it;
        return 0;
    }
Discuss
Answer: (a).5 5 5 5 0
Q46.
What is the output of this program?
    #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;
    }
Discuss
Answer: (c).10 99 40 99
Q47.
What is the output of this program?
    #include <iostream>
    #include <algorithm>
    #include <vector>
    #include <functional>
    using namespace std;
    int op_increase (int i)
    {
        return ++i;
    }
    int main ()
    {
        vector<int> a;
        vector<int> b;
        for (int i = 1; i < 4; i++)
        a.push_back (i * 10);
        b.resize(a.size());
        transform (a.begin(), a.end(), b.begin(), op_increase);
        transform (a.begin(), a.end(), b.begin(), a.begin(), plus<int>());
        for (vector<int> :: iterator it = a.begin(); it != a.end(); ++it)
            cout << ' ' << *it;
        return 0;
    }
Discuss
Answer: (d).All of the mentioned
Q48.
What is the output of this program?
    #include <iostream>
    #include <algorithm>
    using namespace std;
    int main ()
    {
        int myints[] = { 10, 20, 30, 30, 20, 10, 10, 20 };
        int* pbegin = myints;
        int* pend = myints + sizeof(myints) / sizeof(int);
        pend = remove (pbegin, pend, 20);
        for (int* p = pbegin; p != pend; ++p)
            cout << ' ' << *p;
        return 0;
    }
Discuss
Answer: (b).10 30 30 10 10
Q49.
What is the output of this program?
    #include <iostream>
    #include <algorithm>
    #include <vector>
    using namespace std;
    int main () 
    {
        int myints[] = { 10, 20, 30 ,40 };
        int * p;
        p = find (myints, myints + 4, 30);
        --p;
        cout << *p << '\n';
        return 0;
    }
Discuss
Answer: (b).20
Q50.
How many kind of operation can be applied to transform method in c++?

a.

1

b.

2

c.

3

d.

4

Discuss
Answer: (b).2

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