Question

What is the output of this program?

    #include <iostream>
    using namespace std;
    template<typename T> 
    inline T square(T x)
    {
        T result;
        result = x * x;
        return result;
    };
    int main()
    {
        int i, ii;
        float x, xx;
        double y, yy;
        i = 2;
        x = 2.2;
        y = 2.2;
        ii = square(i);
        cout << i << " "  << ii << endl;
        yy = square(y);
        cout << y << " " << yy << endl;
    }

a.

2 4

b.

2 4

c.

error

d.

runtime error

Posted under Derived Classes,Templates and Exception Handling in C++ Object Oriented Programming Using C++

Answer: (b).2 4

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