cwiczenia

1.
#include<iostream>
using namespace std ;
int main(){
int a;
float b;
    cout<<"Podaj liczbe calkowita"<
cin >>a;
cout<<"Podaj liczbe rzeczywistą"<
cin >>b;
cout<<"liczba a"<< a << endl;
cout<<"liczba b"<< b << endl;
return 0;
}

2.
#include <iostream>
#include <cstdlib>
using namespace std;
int=main()
{
int a;
cout<<"wprowadzamy liczbe"<<endl;
cout<<"liczba a";
cin>>a;
if(a>=0)
cout<<"pierwiastek kwadratowy z liczba"<<"wynosi"<<sqrt (a)<<endl;
else
    cout<<"nie mozna obliczyc pierwiastka kwadratowego liczba nie moze byc ujemna" <<endl;
return();
}

3.

#include <iostream>
#include <cstdlib>
using namespace std;
int main()
{
int a;
cout<<"program obliczajacy parzystosc"<<endl;
cout<<"podaj liczbe";
cin>>a;
if (()a%2)==0)
cout<<"liczba a jest parzysta"<<endl;
else cout<<"liczba a jest nieparzysta"<<endl;
return 0;
}

programy !

1.

#include <iostream.h> //

#include <iomanip.h>

#include <conio.h>
using namespace std;

main()

{

float a, b, pole;

cout << "Program oblicza pole prostokata." << endl;

cout << "Podaj bok a." << endl;

cin >> a;

cout << "Podaj bok b." << endl;

cin >> b;

pole = a*b;

2.
#include <iostream>

#include <iomanip>

#include <math.h>

#include <conio.h>

using namespace std;

main()

{

float r, objetosc;

cout << "Program oblicza objetosc kuli o promieniu r." << endl;

cout << "Podaj promien r." << endl;

cin >> r;

objetosc = 4*M_PI*r*r*r/3;

cout << fixed;

cout << setprecision(2);

cout << "Objetosc kuli o promieniu r = " << r << " wynosi ";

cout << objetosc << "." << endl;

getch(); //

}

3.

#include <iostream.h> //

#include <conio.h>
using namespace std;

main()

{

int a = 37;

int b = 11;

cout << "Program oblicza wynik dzielenia calkowitego" << endl;

cout << "dla dwoch liczb calkowitych." << endl;

cout << "Dla liczb a = " << a << " i b = " << b << endl;

cout << a << "/" << b << " = " << a/b << "." << endl;

getch();

}

4.
#include <iostream>

#include <conio.h>

using namespace std;

main()

{

int a = 37;

int b = 11;

cout << "Program oblicza reszte z dzielenia calkowitego";

cout << " dwoch liczb calkowitych." << endl;

cout << "Dla liczb a = " << a << " i b = " << b << endl;

cout << a << "%" << b << " = " << a%b << "." << endl;

getch();
}
5.

##include <iostream>

#include <iomanip>

#include <conio.h>

using namespace std;

main()

{

float x, y, suma, roznica, iloczyn, iloraz;

cout << "Program oblicza sume, roznice, iloczyn i iloraz" << endl;

cout << "dla dwoch liczb x i y wprowadzanych z klawiatury." << endl;

cout << endl;

cout << "Podaj x." << endl;

cin >> x;

cout << "Podaj y." << endl;

cin >> y;

suma = x+y;

roznica = x-y;

iloczyn = x*y;

iloraz = x/y;

cout << fixed;

cout << setprecision (2);

cout << "Dla x = " << x << " i y = " << y << endl;

cout << endl;


cout << "suma = " << suma << "," << endl;

cout << "roznica = " << roznica << "," << endl;

cout << "iloczyn = " << iloczyn << "," << endl;

cout << "iloraz = " << iloraz << ".";

getch();

}