MistakeCorrection

#include <iostream>

using namespace std;

int main()
{
    double x, y, z, minimum;
    cout << "enter x, y, z: ";
    cin >> x >> y >> z;
    double xySum = x * x + y * y;
    double yzSum = y * y + z * z;

    if(xySum < yzSum)
        minimum = xySum;
    else
        minimum = yzSum;

    cout << "the result of min(x^2 + y^2, y^2 + z^2) - 4 is: " << minimum - 4;

}