package zadatak2_Polic_Samardzic;
import java.util.Scanner;

public class VrijednostPolinoma {

    public static void main(String[] args) {
        // TODO Auto-generated method stub
        System.out.println("Unesite broj clanova polinoma");
        Scanner num = new Scanner(System.in);

        int n = num.nextInt();
        float[] array = new float[n];

        for (int i = n-1; i >= 0; i--) {
            if(i == 0) System.out.println("Unesite slobodni clan");
            else if(i == 1) System.out.println("Unesite koeficijent uz  x");
            else System.out.println("Unesite koeficijent uz  x^^" + i);
            Scanner koef = new Scanner(System.in);
            array[i] = koef.nextFloat();
        }

        System.out.println("Unesite tocku x");
        Scanner value = new Scanner(System.in);
        int x = value.nextInt();
        float res = calculate(array, n, x);

        num.close();
        value.close();

        System.out.print("\n\n\n");
        System.out.println("Rezultat funkcije za vrijednost x = " + x + " je " + res);
    }

    public static float calculate(float[] array, int n, int x) {
        float res = 0;
        for (int i = 0; i < n; i++) {
            res += array[i] * Math.pow(x, i);
        }
        return res;
    }
}