Spr_informatyka

#include <iostream>
#include <time.h>
#include <math.h>
#include <stdlib.h>

using namespace std;

int main()
{


    cout << "ZADANIE 1A" << endl << endl;

    int x, y = 0;

    cout << "Podaj 2 liczby calkowite: ";
    cin >> a >> b;

    switch(a)
    {
    case 12:
        cout << "Podano liczbe 12, a druga liczba to: " << b;
        break;
    case -12:
        cout << "Kwadrat drugiej liczby: " << y * y;
        break;
    case 15:
        cout << "Druga liczba podzielona przez 5: " << (float)y / 5.0;
        break;
    case 22:
        {
            error:
            if(y < 0)
            {
                cout << "Podaj ponownie 2 liczbe (taka aby byla >= 0): ";
                cin >> y;
                goto error;
            }
            cout << "Pierwiastek z drugiej liczby: " << sqrt(y);
            break;
        }
    case -24:
        cout << "Srednia z obu liczb: " << (float)(x + y) / 2.0;
        break;
    default:
        cout << "nieprawidlowy wybor";
    }

    cout << endl;


    cout << endl << "ZADANIE 1B" << endl << endl;

    for(int i = 10; i <= 21; i++)
    {
        cout.width( 4 );
        cout << i;
    }

    cout << endl << endl;

    for(int i = 45; i >= -15; i-=5)
    {
        cout.width( 4 );
        cout << i;
    }

    cout << endl << endl;

    for(int i = 1; i <= 9; i++)
    {
        for(int a = 1; a <= 11; a++)
        {
            cout.width( 4 );
            cout << a * i;
        }
        cout << endl;
    }

    cout << endl << endl;

    for(int i = 9; i >= 2; i--)
    {
        for(int a = 7; a >= 2; a--)
        {
            cout.width( 4 );
            cout << a * i;
        }
        cout << endl;
    }

    cout << endl << "ZADANIE 2A" << endl << endl;

    cout << "Podaj liczbe A (double): ";
    cin >> A;

    jeden:

    if(A > 0)
    {
        A /= 10;
        if(A < 8)
        {
            A += 12;
            trzy:
            if(A < 50)
            {
                cout << "Liczba A: " << A << endl;
                goto koniec;
            }
            else
            {
                goto jeden;
            }
        }
        else
        {
            A -= 20;
            goto jeden;
        }
    }
    else
    {
        dwa:
        A += 10;
        if(A < 20)
        {
            goto dwa;
        }
        else
        {
            A /= 3;
            goto trzy;
        }
    }

    koniec:


    cout << endl << "ZADANIE 2B" << endl << endl;

    srand(time(NULL));

    for(int t = 0; t < 10; t++)
    {
        cout << rand() % 10 + 1 << " ";
    }
    cout << endl << endl;

    for(int t = 0; t < 10; t++)
    {
        cout << rand() % 501 - 200 << " ";
    }
    cout << endl << endl;

    for(int t = 0; t < 10; t++)
    {
        comeback:
        int a = rand() % 101 - 60;
        if (a % 4 == 0)
            cout << a << " ";
        else
            goto comeback;
    }
    cout << endl << endl;

    for(int t = 0; t < 10; t++)
    {
        float f = (rand() % 301) / 10.0;
        f -= 15.0;

        cout << f << " ";
    }
    cout << endl << endl;

    return 0;
}