Polynomial's Value

#include <iostream>

using namespace std;

int polynomial1(int* coff, int n, int x)
{
    int xsq = 1;
    int val = 0;

    for (int ord = 0; ord <= n; ord++) {
        val += xsq * coff[ord];
        xsq *= x;
    }

    return val;
}

int polunomial2(int* coff, int n, int x)
{
    int val = coff[n];

    for (int i = n - 1; i >= 0; i--) {
        val = val * x + coff[i];
    }

    return val;
}

int main()
{
    int coff1[] = { 1, 2, 1 };
    int n = 2;

    cout << polynomial1(coff1, n, 1) << " " << polynomial1(coff1, n, 2) << endl;

    int coff2[] = { 1, 2 };
    n = 1;
    cout << polynomial1(coff2, n, 1) << " " << polynomial1(coff2, n, 2) << endl;

    int coff3[] = { 2 };
    n = 0;
    cout << polynomial1(coff3, n, 1) << " " << polynomial1(coff3, n, 2) << endl;
}