Menghitung 2 bilangan integer,Program Konversi jarak dan Konversi Suhu

Menghitung 2 bilangan integer

Algoritma hasil Kali

Deklarasi

      a,b       : integer  (input)

      hasil    : integer  (output)

Deskripsi

      Read  (a,b)

      Hasil = a*b

Write (hasil)

Flowchart

  Source code

#include <cstdlib>

#include <iostream>

#include <fstream>

using namespace std;

class Perkalian {

      friend ostream& operator<<(ostream&,const Perkalian&);

      friend istream& operator>>(istream&,Perkalian&);

public:

       Perkalian();

       void hitung_perkalian(){hasil = (a*b);}

private:

        int a,b;

        int hasil;

    };

        Perkalian::Perkalian(){

        cout << "Program mengkaliakn 2 bilangan integer\n";

        cout << "semoga sukses\n";

}

istream& operator>>(istream& in, Perkalian&masukan){

         cout << "Masukkan nilai a =";

         in >> masukan.a;

         cout << "Masukkan nilai b =";

         in >> masukan.b;

         return in;

         }

ostream& operator<<(ostream& out,const Perkalian&keluaran){

         out << "Nilai a:"<<keluaran.a<<endl;

         out << "Nilai b:"<<keluaran.b<<endl;

         out << "Hasil kali integer di atas: "<<keluaran.hasil << endl;

         return out;

         }

        

int main(int argc, char *argv[])

{

    Perkalian X;

    cin>>X;

    X.hitung_perkalian();

    cout << X;

   

    system("PAUSE");

    return EXIT_SUCCESS;

}

                                                  Program Konversi jarak

Algoritma

Deklarasi

M                                  : real (input)

CM                                : real (output)

Inci                                : real (output)

Deskripsi

Read (m)

Cm = m*100

Inci = m * 100/2.54

Write (cm)

Write (inci)

Flowchart

Source code

#include <iostream>

#include <fstream>

using namespace std;

class Konversi {

      friend ostream& operator<<(ostream&,const Konversi&);

      friend istream& operator>>(istream&,Konversi&);

public:

       Konversi();

       void konversi_ke_cm(){cm = (m*100);}

       void konversi_ke_inci(){inci = cm/2.54;}

private:

        float m;

        float cm,inci;

    };

        Konversi::Konversi(){

        cout << "Program konversi m ke cm dan inci\n";

        cout << "semoga sukses\n";

}

istream& operator>>(istream& in, Konversi& masukan){

         cout << "Masukkan nilai m ";

         in >> masukan.m;

         masukan.konversi_ke_cm();

         masukan.konversi_ke_inci();

         return in;

         }

ostream& operator<<(ostream& out,const Konversi&keluaran){

         out << "Nilai m:"<<keluaran.m<<endl;

         out << keluaran.m<<"m ="<<keluaran.cm<<"cm"<<endl;

         out << keluaran.m<<"m ="<<keluaran.inci<<"inci"<<endl;

         return out;

         }

        

int main(int argc, char *argv[])

{

    Konversi X;

    cin>>X;

    cout << X;

   

    system("PAUSE");

    return EXIT_SUCCESS;

}

Konversi Suhu

Algoritma

Deklarasi 

C                                   : integer          {derajat celcius}

R                                   : real   {derajat reamur}

F                                    : real   {derajat fahrenheit}

K                                   : real   {derajat kelvin}

Deskripsi

Read (C)

R = 4/5*C                      {rumus R = 4/5*C}

F = 9/8 *C+32               {rumus F = 9/5*C + 32}

K = C + 273                  {rumus K = C + 273}

Write  (R,F,K)

Flowchart

Source code

#include <iostream>

#include <fstream>

using namespace std;

class Suhu {

      friend ostream& operator<<(ostream&,Suhu&);

      friend istream& operator>>(istream&,Suhu&);

public:

      

       void konversi_keR(){r = 4/5.0*c;}

       void konversi_keF(){f = 9/5.0*c+32;}

       void konversi_keK(){k = c+273;}

      

private:

        int c;

        float r,f,k;

    };

istream& operator>>(istream& in, Suhu& A){

         cout << "Masukkan suhu derajat celsius :";

         in >> A.c;

         return in;

         }

ostream& operator<<(ostream& out,Suhu&A){

         A.konversi_keR();

         A.konversi_keF();

         A.konversi_keK();

         out << A.c<<"celcius = "<< A.r << "reamur"<<endl;

         out << A.c<<"celcius = "<< A.f << "fahrenheit"<<endl;

         out << A.c<<"celcius = "<< A.k << "kelvin"<<endl;

          return out;

         }

        

int main(int argc, char *argv[])

{

    Suhu X;

    cin>>X;

    cout << X;

   

    system("PAUSE");

    return EXIT_SUCCESS;

}