void unos(int a[], int n);
void ispis_polinoma(int a[], int n);
int suma_polinoma(int a[], int n, int b[], int m, int c[]);
void mnoz_skalarom(int a[], int n, int c);
int vr_poly(int a[], int n, int x);

int mul_poly(int a[], int n, int b[], int m, int c[]);