Why does the area come back as 0?

Question

Here's the code.

int a;
int pi = 3.14;
int area;
int main()
{
    cout << "Input the radius of the circle ";
    cin >> a;

    a *= a *= pi >> area;

    cout << "The area is " << area;


}

Answer 1

The >> operator when used with numbers is right shift, not assignment. You want something like

area = a * a * pi;

Update

You also need to use a floating point type or your answer won't be what you expect.

float a;
float pi = 3.14f;
float area;