Poly ++

#include<cmath>

int calculatePolynomial(int x, int y, int z)
{
    int n = 4; //ne e kazano N kolko e zatova mojesh da mu dadesh kakvato i da e stoinost tuka

    int result = 0;

    for (int i = 0; i < n; i++)
        {
            int xN = pow(x, i);
            int yN = y*(n-i);
            int zN = pow(z, n-i);

            result += xN * yN * zN;
        }
    return result;
}