Konversi Nilai Mahasiswa dengan Inputan Jumlah Mahasiswa

#include <cstdlib>
#include <iostream>

using namespace std;
class hitung{
      public:
             void input();
             void proses(int);
           
           
      private:
              int a,b,nilai,n;
             
              };
             
void hitung::input(){
     int i;
     cout<<"jumlah mahasiswa = ";
     cin>>n;
     for(i=1;i<=n;i++){
     cout<<"Masukkan nilai mahasiswa "<<i<<"=";
     cin>>nilai;
     proses(nilai);
     cout<<endl;}
     }
   
void hitung::proses(int nilai){
     if(nilai>=0 && nilai<=25)
     cout<<"D";
     else if(nilai>=26 && nilai<=50)
     cout<<"C";
     else if(nilai>=51 && nilai<=80)
     cout<<"B";
     else if(nilai>=81 && nilai<=100)
     cout<<"A";
     else
     cout<<"inputan salah";
   
 
}


   
   
int main(int argc, char *argv[])
{
    hitung reza;
    reza.input();
   
   
    system("PAUSE");
    return EXIT_SUCCESS;
}

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Konversi 4 Suhu

Dalam C++

float suhu, hasila, hasilb, hasilc;
int kode;
char pilihan;
cout << "        Konversi Suhu" <<endl<<endl;
cout << "  1. Celcius     Ke>   Reamur     " << endl;
cout << "     Celcius     Ke>   Fahrenheit " << endl;
cout << "     Celcius     Ke>   Kelvin     " << endl;
cout << "  2. Reamur      Ke>   Celcius    " << endl;
cout << "     Reamur      Ke>   Fahrenheit " << endl;
cout << "     Reamur      Ke>   Kelfin     " << endl;
cout << "  3. Fahrenheit  Ke>   Celcius    " << endl;
cout << "     Fahrenheit  Ke>   Reamur     " << endl;
cout << "     Fahrenheit  Ke>   Kelvin     " << endl;
cout << "  4. Kelvin      Ke>   Celcius    " << endl;
cout << "     Kelvin      Ke>   Fahrenheit " << endl;
cout << "     Kelvin      Ke>   Reamur     " << endl;
cout << endl<<endl;

cout << "Masukkan Kode Diatas = ";
cin >> kode;
cout << endl;
switch(kode)
{
case 1:
cout << "Masukkan Suhu Dalam Celcius  = ";
cin >> suhu ;
hasila = 0.8*suhu ;
cout <<endl;
cout << "Suhu Dalam Reamur            = " << hasila << endl;
hasilb = suhu*1.8+32;
cout << "Suhu Dalam Fahrenheit        = " << hasilb << endl;
hasilc = suhu+273.15;
cout << "Suhu Dalam Kelvin            = " << hasilc << endl;
cout<<endl;
break;
case 2:
cout << "Masukkan Suhu Dalam Reamur  = ";
cin >> suhu ;
hasila = suhu/0.8;
cout <<endl;
cout << "Suhu Dalam Celcius          = " << hasila << endl;
hasilb = suhu*2.25+32;
cout << "Suhu Dalam Fahrenheit       = " << hasilb << endl;
hasilc = suhu/0.8+273.15;
cout << "Suhu Dalam Kelvin           = " << hasilc << endl;
cout<<endl;
break;
case 3:
cout << "Masukkan Suhu Dalam Fahrenheit = ";
cin >> suhu ;
hasila = (suhu-32)/1.8;
cout <<endl;
cout << "Suhu Dalam Celcius             = " << hasila << endl;
hasilb = (suhu-32)/2.25;
cout << "Suhu Dalam Reamur              = " << hasilb << endl;
hasilc = (suhu+459.67)/1.8;
cout << "Suhu Dalam Kelvin              = " << hasilc << endl;
cout<<endl;
break;
case 4:
cout << "Masukkan Suhu Dalam Kelvin = ";
cin >> suhu ;
hasila = suhu-273.15;
cout <<endl;
cout << "Suhu Dalam Celcius         = " << hasila << endl;
hasilb = suhu*1.8-459.67;
cout << "Suhu Dalam Fahrenheit      = " << hasilb << endl;
hasilc = (suhu-273.15)*0.8;
cout << "Suhu Dalam Reamur          = " << hasilc << endl;
cout<<endl;
break;
default:
cout << "Kode angka salah" << endl<<endl;

}

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Mencari Akar

using namespace std;

int main(int argc, char *argv[])
{
    float y;
    float x;
   
    cout<<"Masukkan Angka=";
    cin>>y;
   
    x =  sqrt (y);
    cout<<endl;
    cout<<"Akarnya "<<y<<" Ald= ";
    cout<<x<<endl<<endl;
   
    system("PAUSE");
    return EXIT_SUCCESS;
}

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Menampilkan Hasil Pemjumlahan Dua Bilangan C++

#include <cstdlib>
#include <iostream>

using namespace std;
class Hitung {
      private:
              int a;
              int b;
              int jumlah;
      public:
              Hitung (); //constructor
              void input();
              int sum ();
              void output ();
              };
      Hitung :: Hitung() {
             cout<<"\tclass Hitung \n";
             }
      void Hitung::input(){
           cout<<"input nilai a :";
           cin>>a;
           cout<<"input nilai b :";
           cin>>b;
           }
      int Hitung::sum(){
          jumlah =a+b;
          return jumlah;
          }
      void Hitung ::output(){
           cout<<"jumlah "<<a<<"+"<<b<<"="<<sum()<<endl;
           }
                   
int main(int argc, char *argv[])
{
    Hitung a;
    a.input();
    a.output();
    system("PAUSE");
    return EXIT_SUCCESS;
}

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Menampilkan Penjumlahan Dua Bilangan

#include <cstdlib>
#include <iostream>

using namespace std;
class saya{
     
     private:
             int a;
             int b;
     public:
         void masukan ();
         void keluar();
         };
     void saya::masukan(){
                     cout <<"\t uji coba hitung"<<endl;
                     cout <<"masukan a=";
                     cin>>a;
                     cout <<"masukan b=";
                     cin>>b;
                     }
     void saya::keluar(){
          cout<<"hasil kedua jumlah "<<a<<"+"<<b<<endl;
          }
 
     
int main(int argc, char *argv[])
{
    saya a;
    a.masukan();
    a.keluar();
    system("PAUSE");
    return EXIT_SUCCESS;
}

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Konversi Suhu

DALAN C++

int main(int argc, char *argv[])
{
    float a;
    float b;
    float c;
    float d;
    int suhu;
    cout<<"masukkan pilihan, 1.celcius,2.fahtenheit:"<<endl;
    cin>>suhu;
    switch (suhu)
    {case 1:
          cout<<"masukkan suhu celcius:";
          cin>>a;
          b=(4/5)*a;
          cout<<"suhu dlm Reamur:"<<b<<endl;
          c=((9/5)*a)+32;
          cout<<"suhu dlm Fahrenheit:"<<c<<endl;
          d=a+273;
          cout<<"suhu dlm Kelvin:"<<d<<endl;
          break;
    case 2:
         cout<<"masukkan Suhu Dlm Fahrenheit:";
         cin>>c;
         a=((5/9)*c)-32;
         cout<<"suhu dlm Celsius:"<<a<<endl;
         b=(((4/9)*c)-32);
         cout<<"suhu dlm Reamur:"<<b<<endl;
         d=(((5/9)*c)-32)+273;
         cout<<"suhu dlm Kelvin:"<<d<<endl;
    default:
            cout<<"your coice is fales"<<endl;
         
           }
    system("PAUSE");

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Menukar Dua Bilangan

DALAMC++

int main(int argc, char *argv[])
{
    float m;
    float n;
 
    cout<<"Masukkan Angka 1: ";cin>>m;
    cout<<"Masukkan Angka 2: ";cin>>n;
 
    cout<<"Berubah Angka 1: "<<n<<endl;
    cout<<"Berubah Angka 2: "<<m<<endl;
 
    system("PAUSE");

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