Online Test

:

 

To what kind of elements does non-modifying sequence algorithm can be
applied?


What is the output of this program?

    #include <iostream>
    using namespace std;
    int main()
    {
        double a = 21.09399;
        float b = 10.20;
        int c ;
        c = (int) a;
        cout << c ;
        c = (int) b;
        cout << c ;
        return 0;
    }

What is the output of this program?

 #include <iostream.h>
    using namespace std;
    int func(int m = 10, int n)
    {
        int c;
        c = m + n;
        return c;
    }
    int main()
    {
        cout << func(5);
        return 0;
    }

What are the advantages of passing arguments by reference?


Which of the following is false?


Which operators are part of RTTI?


What do we need to do to pointer for overloading the subscript operator?


What is the output of this program?

     #include <iostream.h>
    using namespace std;
    #define MIN(a,b) (((a)<(b)) ? a : b)
    int main ()
    {
        float i, j;
        i = 100.1;
        j = 100.01;
        cout <<"The minimum is " << MIN(i, j) << endl;
        return 0;
    }

What is the output of this program?

   #include <iostream.h>
    using namespace std;
    const int SIZE = 10;
    class safe
    {
        private:
        int arr[SIZE];
        public:
        safe()
        {
            register int i;
            for (i = 0; i < SIZE; i++)
            {
                arr[i] = i;
            }
        }
        int &operator[](int i)
        {
            if (i > SIZE)
            {
                cout << "Index out of bounds" <<endl;
                return arr[0];
            }
            return arr[i];
        }
    };
    int main()
    {
        safe A;
        cout << A[5];
        cout  << A[12];
        return 0;
    }

How many specifiers are present in access specifiers in class?


How many parameters are required for sort_heap function?


What is the output of this program?

    #include <iostream>
    using namespace std;
    long factorial (long a)
    {
        if (a > 1)
            return (a * factorial (a + 1));
        else
            return (1);
    }
    int main ()
    {
        long num = 3;
        cout << num << "! = " << factorial ( num );
        return 0;
    }

What are mandatory parts in function declaration?


 What is the output of this program?

   #include <iostream.h>
    using namespace std;
    #define MAX 10
    int main()
    {
        int num;
        num = ++MAX;
        cout << num;
        return 0;
    }

What is the output of this program?

   #include <iostream>
    #include <vector>
    using namespace std;
    int main():q
    {
        vector<int> v;
        v.assign( 10, 42 );
        for (int i = 0; i < v.size(); i++) 
        {
            cout << v[i] << " ";
        }
    }
 

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