Kolokwium

#include <iostream>
#include <cmath>
using namespace std;


void zad1()
{
    cout << "-----------------------------------------------" << endl;
    double x, y, xp, xk, dx, x1, x2, ymax;

    cout << "Podaj dx: ";
    cin >> dx;
    cout << "Podaj xp: ";
    cin >> xp;
    cout << "Podaj x1: ";
    cin >> x1;
    cout << "Podaj x2: ";
    cin >> x2;
    cout << "Podaj xk: ";
    cin >> xk;
    x = xp;
    ymax = x*x - 5;
    for (x = xp; x <= xk; x += dx)
    {
        if (x <= x1)
        {
            y = x*x - 5;
            if (y > ymax) ymax = y;
            cout << "f(" << x << ")=" << y << "\t ymax=" << ymax << endl;
        }

        if (x>x1 && x <= x2)
        {
            y = x*x*x + 12;
            if (y > ymax) ymax = y;
            cout << "f(" << x << ")=" << y << "\t ymax=" << ymax << endl;
        }


        if (x>x2 && x <= xk)
        {
            y = x*x*x - x*x - 4;
            if (y > ymax) ymax = y;
            cout << "f(" << x << ")=" << y << "\t ymax=" << ymax << endl;
        }
    }
    cout << "-----------------------------------------------" << endl;
}

void zad3()
{
    cout << "-----------------------------------------------" << endl;
    double x, y, xp, xk, dx,ymin;

    cout << "Podaj dx: ";
    cin >> dx;
    cout << "Podaj xp: ";
    cin >> xp;
    cout << "Podaj xk: ";
    cin >> xk;
    x = xp;
    if (x*x < 50) ymin = x*x - sin(x);
    for (x = xp; x <= xk; x += dx)
    {
        if (x*x < 50) {
            y = x*x - sin(x);
            if (y < ymin) ymin = y;
            cout << "f(" << x << ")=" << y << "\t ymin=" << ymin << endl;
        } else cout << "f(" << x << ")= --------------" << endl;
    }
    cout << "-----------------------------------------------" << endl;
}


int main()
{
    zad1();
    zad2();
    system("PAUSE");
    return 0;
}