LB2

#include <iostream>
#include <vector>
#include <math.h>
#include <numeric>
#include <cstdlib>

using namespace std;

class Pol{
    int n;
    vector<double> cfs;
    vector<double> xExp;
    public:

        Pol(){}

        Pol(int c, vector<double> cs){
            n = c;
            cfs = cs;
            vector<double> xExp(n+1,0);
        }

        double polX(double x){
            xExp.clear();
            for (int i=1; i<=n; i++){
                xExp.push_back(pow(x, i));
            }
            return inner_product(cfs.begin(), cfs.end(), xExp.begin(), 0);
        }

        vector <double>& makeV(vector<double> args){
            vector<double> thrdV;
            cout << "Your vector:" << endl;
            for (int i=0; i<n; i++){
                thrdV.push_back((polX(args[i])));
                cout << thrdV[i] << " ";
            }
            return thrdV;
        }
};


int main()
{
    vector<double> cfs(3,3);
    vector<double> args(3,0);
    args[0] = 3;
    args[1] = 4;
    args[2] = 5;
    Pol* p = new Pol(3, cfs);
    double a = p->polX(3);
    cout << "PolX = " << a << endl << endl;
    p->makeV(args);
    return 0;
}