w_a2

#include <iostream>#include <conio.h>using namespace std;double A,B,C,D,E,X1,X2;int m;double wartosc(){    return A*(X1*X1*X1*X1) + B*(X1*X1*X1) + C*(X1*X1) + D*X1 + E;}int main(){    cout<<"Program wielomian, podaj wspolczynniki A,B,C,D,E oraz przedzial X1,X2, dokladnosc"<<endl;    cout<<"A: ";    cin>>A;    cout<<"B: ";    cin>>B;    cout<<"C: ";    cin>>C;    cout<<"D: ";    cin>>D;    cout<<"E: ";    cin>>E;    cout<<"X1: ";    cin>>X1;    cout<<"X2: ";    cin>>X2;    cout<<"Dokladnosc - wieksze od 0 !: ";    cin>>m;        double h = (X2 - X1) / m;    double pole = 0;    float w2;    float w1 = wartosc();    float h2 = h/2;    for (int i = 0; i < m; i++)    {        X1 += h;        w2 = wartosc();        pole += (w2 + w1) * h2;        w1 = w2;    }    cout<<"\nPole to: "<<pole<<endl;    getch();}