C++ Function Test – 1

1. What is the scope of the variable declared in the user defined function?

2. What will be the output of the following C++ code?

    #include <iostream>
    using namespace std;
    void mani()
    void mani()
    {
        cout<<"hai";
    }
    int main()
    {
        mani();
        return 0;
    } 

3. What are mandatory parts in the function declaration?

4. What will be the output of the following C++ code?

    #include <iostream>
    using namespace std;
    void fun(int x, int y)
    {
        x = 20;
        y = 10;
    }
    int main()
    {
        int x = 10;
        fun(x, x);
        cout << x;
        return 0;
    } 

5. How many minimum number of functions should be present in a C++ program for its execution?

6. Where does the execution of the program starts?

7. which of the following is used to terminate the function declaration?

8. How many can max number of arguments present in function in the c99 compiler?

9. Which is more effective while calling the functions?