JUMLAH, KURANG, KALI, BAGI

Algoritma Jumlah, Kurang, Kali, Bagi {menampilkan hasil jumlah, kurang, klai, bagi }

Deklarasi : p : integer x  : integer y : integer hasil : double

Deskripsi : ostr<<"TOTAL JUMLAH : "<<p.x+p.y<<endl; ostr<<"TOTAL KURANG : "<<p.x-p.y<<endl; ostr<<"TOTAL KALI : "<<p.x*p.y<<endl; ostr<<"TOTAL BAGI : "<<p.x/p.y<<endl;

Listing

#include <cstdlib>

#include <iostream>

using namespace std;

class jumlah{

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

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

public :

jumlah (int a=0,int b=0):x(a),y(b) {}

double hasil();

//   operator double()const;

private:

double x,y;

double jum;

//    void reduce();

};

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

{

int jum;

jumlah a,b;

//jumlah b;

cin>>a;

cin>>b;

cout<<a<<endl;

cout<<b<<endl;

//jum=(a+b);

//    cout<<jum;

system("PAUSE");

return EXIT_SUCCESS;

}

//jumlah::jumlah (int a) {

//x+y;

//            }

//jumlah::operator double(){

//                return double x+y;}

double jumlah::hasil(){

return x+y;}

istream& operator>>(istream& istr,jumlah& p){

cout<<"Masukan Nilai ke-1  : ";istr>>p.x;

cout<<"Masukan Nilai ke-2  : ";istr>>p.y;

cout<<endl;

return istr;

}

ostream& operator<<(ostream& ostr,const jumlah& p){

ostr<<"TOTAL JUMLAH : "<<p.x+p.y<<endl;

ostr<<"TOTAL KURANG : "<<p.x-p.y<<endl;

ostr<<"TOTAL KALI : "<<p.x*p.y<<endl;

ostr<<"TOTAL BAGI : "<<p.x/p.y<<endl;

return ostr;

}

PERMUTASI

Algoritma Permutasi {menampilkan hasil kombinasi  n C r   = (n!) /(n-r)! }

Deklarasi : n : integer r  : integer int f;

Deskripsi : if ( n < 0) return 0; int f = 1; while (n >1) f* = n--; return f; if  (n < 0 || r < 0 || n < r) return factorial(n)/ factorial(n-r) ; }

Listing

#include <iostream.h>

#include <conio.h>

#include <math.h>

#include <string.h>

using namespace std;

int faktorial(int n){

if (n<0) return 0;

int f =1;

while (n>1) f*=n--;

return f;

}

int permutasi(int n, int r){

if (n<0 || r<0||n<r) return 0;

return faktorial(n)/faktorial(n-r);

}

int kombinasi(int n, int r){

if (n<0 || r<0 || n < r) return 0;

return faktorial(n)/(faktorial(n-r)*faktorial(r));

}

int main(int bil_pertama, int bil_kedua){

cout<<"\n";

cout<<"NUR KAHFI IBRAHIM\n";

cout<<"09018238\n";

cout<<"\n";

cout<<"|||||||||||||||||||||||||||\n";

cout<<"|                         |\n";

cout<<"| PERMUTASI DAN KOMBINASI |\n";

cout<<"|                         |\n";

cout<<"|||||||||||||||||||||||||||\n";

cout<<"\n";

cout<<"Masukan bilangan pertama : ";

cin>>bil_pertama;

cout<<"\n";

cout<<"Masukan bilangan kedua   : ";

cin>>bil_kedua;

cout<<"\n";

cout<<"HASIL PERMUTASI = "<<permutasi(bil_pertama,bil_kedua)<<endl;

cout<<"HASIL KOMBINASI = "<<kombinasi(bil_pertama,bil_kedua)<<endl;

getch();

}

KOMBINASI

Algoritma Kombinatorial {menampilkan hasil kombinasi  n C r   = (n!) /(n-r)! . r! }

Deklarasi : n : integer r  : integer int f;

Deskripsi : if ( n < 0) return 0; int f = 1; while (n >1) f* = n--; return f; if  (n < 0 || r < 0 || n < r) return factorial(n)/(factorial(n-r) * factorial(r)); }

Listing

#include <iostream.h>

#include <conio.h>

#include <math.h>

#include <string.h>

using namespace std;

int faktorial(int n){

if (n<0) return 0;

int f =1;

while (n>1) f*=n--;

return f;

}

int permutasi(int n, int r){

if (n<0 || r<0||n<r) return 0;

return faktorial(n)/faktorial(n-r);

}

int kombinasi(int n, int r){

if (n<0 || r<0 || n < r) return 0;

return faktorial(n)/(faktorial(n-r)*faktorial(r));

}

int main(int bil_pertama, int bil_kedua){

cout<<"\n";

cout<<"NUR KAHFI IBRAHIM\n";

cout<<"09018238\n";

cout<<"\n";

cout<<"|||||||||||||||||||||||||||\n";

cout<<"|                         |\n";

cout<<"| PERMUTASI DAN KOMBINASI |\n";

cout<<"|                         |\n";

cout<<"|||||||||||||||||||||||||||\n";

cout<<"\n";

cout<<"Masukan bilangan pertama : ";

cin>>bil_pertama;

cout<<"\n";

cout<<"Masukan bilangan kedua   : ";

cin>>bil_kedua;

cout<<"\n";

cout<<"HASIL PERMUTASI = "<<permutasi(bil_pertama,bil_kedua)<<endl;

cout<<"HASIL KOMBINASI = "<<kombinasi(bil_pertama,bil_kedua)<<endl;

getch();

}

DERET GEOMETRI

#include <cstdlib>

#include <iostream>

using namespace std;

class geometri{

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

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

public:

geometri();

void cetak();

private:

int x[100];

int a,b,n,un,sn;

int jumlah;

};

istream& operator>>(istream& mlebu, geometri& s){

cout<<”Masukkan Suku Pertama :”; mlebu>>s.a; cout<<endl;

cout<<”Masukkan r :”; mlebu>>s.b; cout<<endl;

cout<<”Masukkan Jumlah Suku :”; mlebu>>s.n; cout<<endl;

return mlebu;

}

ostream& operator<<(ostream& metu, geometri& v){

metu<<”Suku Pertama :”<<v.a<<endl;

metu<<”r :”<<v.b<<endl;

metu<<”Jumlah Suku :”<<v.n<<endl;

metu<<”Deret Geometri :”;

for(int i=0; i<v.n; i++){

metu<<v.x[i]<<”,”;

}

metu<<endl;

metu<<”Jumlah Seluruh Deret : “<<v.jumlah<<endl;

return metu;}

geometri::geometri(){

cout<<”\t\t<< PROGRAM DERET GEOMETRI >>”<<endl;

}

void geometri::cetak(){

x[0]=a;

x[1]=a*b;

x[2]=a*b*b;

for(int i=2; i<n; i++){

x[i]=x[1]*x[i-1];

}

jumlah=0;

for(int i=0; i<n; i++){

jumlah=jumlah+x[i];

}

}

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

{

geometri arif;

cin>>arif;

arif.cetak();

cout<<arif;

system(“PAUSE”);

return EXIT_SUCCESS;

}