list program: Juni 2011

Sabtu, 25 Juni 2011

Determinan Matrix 2x2

#include <iostream.h>
#include <conio.h>
#define Nmaks 3

void main()    {
typedef float matriks[Nmaks][Nmaks];
     int i,j;
    float determinan, hasilbagidet;
    matriks A,a;
    char answer;


    do
    {
    do
    {
    clrscr();
    cout<<"DETERMINAN MATRIKS A : "<<endl<<endl;
    cout<<"Masukkan Nilai Matriks A : "<<endl;
    for(i=1;i<=2;i++)
    {
    for(j=1;j<=2;j++)
    {
       cout<<"A["<<i<<","<<j<<"] = ";
       cin>>A[i][j];
    }
    }

    clrscr();
    cout<<endl;
    //Proses Mencari Determinan Matriks A

    determinan = (A[1][1] * A[2][2]) - (A[2][1] * A[1][2]);
    }while (determinan == 0);
    hasilbagidet = 1/determinan;

    //mencari invers
    a[1][1] = hasilbagidet * A[2][2];
    a[1][2] = hasilbagidet * -A[1][2];
    a[2][1] = hasilbagidet * -A[2][1];
    a[2][2] = hasilbagidet * A[1][1];

    clrscr();
    //Output Matriks A
    gotoxy(1,5);
    cout<<"A = ";
    for(i=1;i<=2;i++)
    {
    for(j=1;j<=2;j++)
    {
       gotoxy(2+4*j,2+2*i);
       cout<<A[i][j];
    }
    }

    gotoxy(1,8);
    cout<<"Determinan Matriks A = "<<determinan;
    cout<<endl;

    //Output Invers Matriks A
    gotoxy(1,10);
    cout<<"Invers Matriks A : "<<endl;
    gotoxy(2,15);
    cout<<"A^-1 = ";
    for(i=1;i<=2;i++)
    {
    for(j=1;j<=2;j++)
    {
       gotoxy(1+9*j,12+2*i);
       cout<<a[i][j];
    }
    }

    getch();
    clrscr();
    cout<<"== PROGRAM SELESAI =="<<endl<<endl;
    cout<<"Mau Melakukan Perhitungan Lagi?? [Y/T] "; cin>>answer;
    }
    while ((answer == 'y') || (answer == 'Y'));
    }

mencari rata-rata

#include <iostream.h>
int main(){
int n;
cout<<"Masukkan n : ";
cin>>n;
cout<<endl<<endl;
int data[50];
float rata2,jumlah=0;
for(int i=1;i<=n;i++){
cout<<"Masukkan data "<<i<<" : ";
cin>>data[i];

if(data[i]%2==0) {       //seleksi genap aje....
jumlah+=data[i];
rata2=jumlah/n;
}
}
cout<<"\n\n\tRata-rata Genap adalah "<<jumlah<<":"<<n<<" = "<<rata2<<endl;
return 0;
}

contoh program sederhana

#include <iostream.h>
#include <conio.h>
void main()
{
float IP;
clrscr();
cout<<"Masukkan Indeks prestasi anda:"; cin >> IP;
if (IP>=0 && IP <=2.0)
cout<<"Maksimum SKS yang boleh diambil= 10"<<endl;
else if (IP>=2.01 && IP<=3.0)
cout<<"Maksimum SKS yang boleh diambil= 20"<<endl;
else if (IP>=3.01 && IP<=4.0)
cout<<"Maksimum SKS yang boleh diambil= 25"<<endl;
else cout<< "IP ilegal !!"<<endl;
}

Kamis, 23 Juni 2011

Program Kalkulator Sederhana

#include <cstdlib>
#include <iostream>
#include <string.h>
#include <conio.h>
#include <math.h>
#include <windows.h>

using namespace std;
class hitung
{
private:
float num1,num2,a,b,c,d,e;
float hasil;
int pilih;
public:
void judul();
void masukan();
void proses();
void tampilan();
void pangkat();
void pangkat_n();
void akar2();
void xin();
void xos();
void xan();
};

void hitung::judul()
{
HANDLE hConsole;
hConsole = GetStdHandle (STD_OUTPUT_HANDLE);

SetConsoleTextAttribute
(hConsole, FOREGROUND_GREEN | FOREGROUND_INTENSITY);

cout<<” *=*=*=*=*=*=*=*=*=*=*=*=*=*=   BY   *=*=*=*=*=*=*=*=*=*=*=*=*=*=”<<endl;
cout<<” *=*=*=*=*=*=*=*=*=*=*=*=*= M. Muhafid *=*=*=*=*=*=*=*=**=*=*=*=*=”<<endl;
cout<<” *=*=*=*=*=*=*=*=*=*=*=*=     10018053 =*=*=*=*=*=*=*=*=*=*=*=*=\n”<<endl;
cout<<” *=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=”<<endl;
cout<<” **=*=*=*=*=*=*=*=*=          WELCOME        *=*=*=*=*=*=*=*=*=*=”<<endl;
cout<<” **=*=*=*=*=*=*=*=*=     KALKULATOR DIGITAL *=*=*=*=*=*=*=*=*=*=”<<endl;
cout<<” *=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=\n”<<endl;
cout<<endl;
}

void hitung::masukan()
{
HANDLE hConsole;
hConsole = GetStdHandle (STD_OUTPUT_HANDLE);

SetConsoleTextAttribute
(hConsole, FOREGROUND_RED | FOREGROUND_INTENSITY);

cout<<” ================================================================\n”;
cout<<” ======= SILAHKAN MEMILIH OPERATOR YANG ANDA INGINKAN =======\n”;
cout<<” ================================================================\n”;
cout<<” ======================    1. PERKALIAN      ====================”;
cout<<endl;
cout<<” ======================    2. PEMBAGIAN      ====================”;
cout<<endl;
cout<<” ======================    3. PENJUMLAHAN    ====================”;
cout<<endl;
cout<<” ======================    4. PENGURANGAN    ====================”;
cout<<endl;
cout<<” ======================    5. PANGKAT 2      ====================”;
cout<<endl;
cout<<” ======================    6. PANGKAT n      ====================”;
cout<<endl;
cout<<” ======================    7. PERSEN (%)     ====================”;
cout<<endl;
cout<<” ======================    8. AKAR           ====================”;
cout<<endl;
cout<<” ======================    9. SIN            ====================”;
cout<<endl;
cout<<” ======================   10. COS            ====================”;
cout<<endl;
cout<<” ======================   11. TAN            ====================\n”;
cout<<” ================================================================\n”;
SetConsoleTextAttribute
(hConsole, FOREGROUND_GREEN | FOREGROUND_INTENSITY);
cout<<”                         PILIHAN ANDA ADALAH : “                   ;
cin>>pilih;
cout<<endl;
system(“cls”);
switch(pilih)
{
case 1:
HANDLE hConsole;
hConsole = GetStdHandle (STD_OUTPUT_HANDLE);

SetConsoleTextAttribute
(hConsole, FOREGROUND_BLUE | FOREGROUND_INTENSITY);
cout<<”       *****************”<<endl;
cout<<”       *** PERKALIAN ***”<<endl;
cout<<”       *****************\n”<<endl;
cout<<”Masukkan nilai ke 1 :”;
cin>>num1;
cout<<”Masukkan nilai ke 2 :”;
cin>>num2;
break;
case 2:
cout<<”*****************”<<endl;
cout<<”*** PEMBAGIAN ***”<<endl;
cout<<”*****************”<<endl;
cout<<”Masukkan nilai ke 1 :”;
cin>>num1;
cout<<”Masukkan nilai ke 2 :”;
cin>>num2;
break;
case 3:
cout<<”*******************”<<endl;
cout<<”*** PENJUMLAHAN ***”<<endl;
cout<<”*******************”<<endl;
cout<<”Masukkan nilai ke 1 :”;
cin>>num1;
cout<<”Masukkan nilai ke 2 :”;
cin>>num2;
break;
case 4:
cout<<”*******************”<<endl;
cout<<”*** PENGURANGAN ***”<<endl;
cout<<”*******************”<<endl;
cout<<”Masukkan nilai ke 1 :”;
cin>>num1;
cout<<”Masukkan nilai ke 2 :”;
cin>>num2;
break;
case 5 :
cout<<”*********************”<<endl;
cout<<”***** PANGKAT 2 *****”<<endl;
cout<<”*********************”<<endl;
pangkat();
break;
case 6 :
cout<<”*********************”<<endl;
cout<<”***** PANGKAT n *****”<<endl;
cout<<”*********************”<<endl;
pangkat_n();
break;
case 7:
cout<<”*******************”<<endl;
cout<<”*** PERSEN (%) ***”<<endl;
cout<<”*******************”<<endl;
cout<<”Masukkan nilai :”;
cin>>num1;
break;
case 8:
cout<<”*******************”<<endl;
cout<<”***     AKAR    ***”<<endl;
cout<<”*******************”<<endl;
akar2();
break;
case 9:
cout<<”*******************”<<endl;
cout<<”***     SIN     ***”<<endl;
cout<<”*******************”<<endl;
xin();
break;
case 10:
cout<<”*******************”<<endl;
cout<<”***     COS     ***”<<endl;
cout<<”*******************”<<endl;
xos();
break;
case 11:
cout<<”*******************”<<endl;
cout<<”***     TAN     ***”<<endl;
cout<<”*******************”<<endl;
xan();
break;

}
}
void hitung::proses()
{
switch(pilih)
{
case 1:
a=num1*num2;
cin.ignore();
break;
case 2:
b=num1/num2;
cin.ignore();
break;
case 3:
c=num1+num2;
cin.ignore();
break;
case 4:
d=num1-num2;
cin.ignore();
break;
case 7:
e=num1/100;
cin.ignore();
break;

}
}

void hitung::tampilan()
{
switch(pilih)
{
case 1:
cout<<endl;
cout<<”Hasil Perkalian=”<<endl<<num1<<”*”<<num2<<”=”<<a<<endl;
cout<<endl;
break;
case 2:
cout<<endl;
cout<<”Hasil Pembagian=”<<endl<<num1<<”/”<<num2<<”=”<<b<<endl;
cout<<endl;
break;
case 3:
cout<<endl;
cout<<”Hasil Penjumlahan=”<<endl<<num1<<”+”<<num2<<”=”<<c<<endl;
cout<<endl;
break;
case 4:
cout<<endl;
cout<<”Hasil Pengurangan=”<<endl<<num1<<”-”<<num2<<”=”<<d<<endl;
cout<<endl;
break;
case 7:
cout<<endl;
cout<<”Nilai Persen=”<<endl<<num1<<”/”<<100<<”=”<<e<<” % “<<endl;
cout<<endl;
break;
}
}
void hitung::pangkat(){
cout<<”masukkan nilai : “;
cin>>num1;
int hasil=1;
for(int i=1;i<=2;i++)
hasil*=num1;
cout<<”hasil pangkat= “<<hasil<<endl;
}
void hitung::pangkat_n(){
cout<<”contoh a^n”;
cout<<endl;
cout<<”masukkan nilai a : “;
cin>>num1;
cout<<”masukan pangkat : “;
cin>>a;
int hasil=1;
for(int i=1;i<=a;i++)
hasil*=num1;
cout<<”hasil pangkat= “<<hasil<<endl;
}
void hitung::akar2(){
cout<<”Masukkan nilai : “;
cin>>num1;
hasil=sqrt(num1);
cout<<endl;
cout<<”Nilai dari akar =”<<hasil<<endl;
}
void hitung :: xin(){
cout<<endl;
cout<<”Masukkan nilai : “;
cin>>num1;
hasil=sin(num1);
cout<<endl;
cout<<”Nilai dari sin “<<num1 <<” =”<<hasil<<endl;
}
void hitung :: xos(){
cout<<endl;
cout<<”Masukkan nilai : “;
cin>>num1;
hasil=cos(num1);
cout<<endl;
cout<<”Nilai dari cos “<<num1<<”=”<<hasil<<endl;
}
void hitung :: xan(){
cout<<endl;
cout<<”Masukkan nilai : “;
cin>>num1;
hasil=tan(num1);
cout<<endl;
cout<<”Nilai dari tan “<<num1<<”=”<<hasil<<endl;
}

int main(int argc, char *argv[])
{
class hitung mat;
char ulang;
x:
mat.judul();
mat.masukan();
mat.proses();
mat.tampilan();
cout<<”Anda Ingin Mengulang?(Y/N)”;
cin>>ulang;
cout<<endl;
system(“cls”);
if(ulang==’y'||ulang==’Y')goto x;
else
cout<<”Program Berakhir, Tekan ENTER untuk keluar”<<endl;

system(“PAUSE”);
return EXIT_SUCCESS;
}

program menghitung deret

#include <iostream.h>
#include <conio.h>
#include <math.h>

class Deret{
    public :
           int   DeretAritmatika(int n);
    float DeretGeometri(float a,float r,int n);

   private :
};

// fungsi DeretAritmatika
int Deret::DeretAritmatika(int n){
   int jumlah=0;
   for (int i=1;i<=n;i++){
   jumlah+=i;
   }
   cout << " Hasil Deret Aritmatika : " <<jumlah;
   return 0;
}

// fungsi DeretGeometri
float Deret::DeretGeometri(float a,float r,int n){
    float jumlah=a;
    for (float i=1;i<=n;i++){
    jumlah+=a*(r,i);
    }
    cout << " Hasil Deret Geometri : " <<jumlah;
    return 0;
}

void main(){
Deret X;
int pil;
ulang:
cout << " Kumpulan Hitung Deret :\n";
cout << " 1. Deret Aritmatika \n";
cout << " 2. Deret Geometri \n";
cout << " Pilihan Anda [1,2] : ";
cin >>pil;
switch(pil){
    case 1:
        int n;
      cout << " \n Menghitung Deret Aritmatika \n";
        cout << " Masukkan Bilangan Bulat(n) : ";
        cin >> n;
        X.DeretAritmatika(n);
    break;
    case 2:
        int a,r;
      cout << " \n Menghitung Deret Geometri\n";
        cout << " Masukkan Bilangan real(a) : ";
        cin >> a;
        cout << " Masukkan Bilangan real(r) : ";
        cin >> r;
        cout << " Masukkan Bilangan Bulat(n) : ";
        cin >> n;
        X.DeretGeometri(a,r,n);
    break;
    default:
        cout << " Masukkan Salah, Silahkkan ulangi lagi..? ";
        getch();
        clrscr();
        goto ulang;
        break;
    }
getch();
}

list program