Макс -4

#include <iostream>
#include <cmath>

using namespace std;

double func(double x) {
    return (pow(sin(x),3) - 3 );
}
void RegCikl(double c, double d, double h) {
    double x, y;
    for (x = c; x <= d; x += h) {
        y = func(x);
        cout  << x  << y;
    }
}



int main()
{
    double c,d,h;
    cin >> c >> d >> h;
    RegCikl(c,d,h);
    return 0;
}