2DzNum2

#include <math.h>
#include <iostream>

using namespace std;
int main()
{
    setlocale(LC_ALL, "Russian");
    double x,w, a;
    cout << "введите  a " << endl;
    cin >> a;
    cout << "введите  x " << endl;
    cin >> x;
    if ((abs(x) < 1) && (x > 0)) {
        cout << "w=" << (a * log(abs(x)));
    }
    else if (a >= x * x) {
        cout << "w=" << (sqrt(a - x * x));
    }
    else {
        cout << "решений нет" << endl;
    }
}