Minggu, 24 April 2011

import jeliot.io.*;

public class hitung {

public void masuk(){
    System.out.print("masukkan nilai n : ");
    n=Input.readInt();
    }
   
public double proses(){
    for(int i=1; i<=n; i++){
    rumus=(rumus*(-1));
    total=rumus/i;
    jumlah+=total;
    if(i==1) System.out.print("("+total+")");
    if(i>1) System.out.print(" + ("+total+")");
        }
    return jumlah;
    }

public void keluar(){
    System.out.println("");
    System.out.print("hasil penjumlahan deret = "+jumlah);
    }
   
private int n;
private double jumlah=0;
private double total=0;
private double rumus=-1;

public static void main() {

    hitung saja=new hitung();
    saja.masuk();
    saja.proses();
    saja.keluar();

    }
}
#include <conio.h>
#include <stdio.h> 
#include <iostream.h>
 void main()
  {
    float sisi, keliling;
   clrscr();
   cout<<”Masukkan Panjang Sisi Segitiga : “;
   cin>>sisi; 
   cout<<”Keliling Segitiga : “;
   keliling = sisi + sisi + sisi;
  cout<<”Kll = “<<sisi<<” + “<<sisi<<” + “<<sisi<<endl;
  cout<<”Kll = “<<keliling;
  getch();
}
#include<iostream.h>
#define phi 3.14
int main(){
float Luas,Volume;
float r;
cout<<"Masukan jari-jari bola";
cin>>r;
Luas = 4* phi * r * r;
Volume = 4/3 * phi * r*r*r;
cout<<"Luas Bola = "<<Luas<<endl;
cout<<"Volume Bola = "<<Volume<<endl;
return 0;
}
#include <iostream.h>
#include <conio.h>
void main()
{
  float a,b,c,d,e,f,g,h;
  float hasil;
  cout<<"PROGRAM HITUNG NILAI RATA-RATA"<<endl<<endl;
  cout<<"Nilai Pertemuan 1 : ";
  cin>>a;
  cout<<"Nilai Pertemuan 2 : ";
  cin>>b;
  cout<<"Nilai Pertemuan 3 : ";
  cin>>c;
  cout<<"Nilai Pertemuan 4 : "; 
  cin>>d;
  cout<<"Nilai Pertemuan 5 : ";
  cin>>e;
  cout<<"Nilai Pertemuan 6 : ";
  cin>>f;
  cout<<"Nilai Pertemuan 7 : ";
  cin>>g;
  cout<<"Nilai Pertemuan 8 : ";
  cin>>h;


  hasil = (a+b+c+d+e+f+g+h) / 8;
  cout<<"\nRata-rata Nilai adalah : "<<hasil;
  getch();
}
#include<conio.h>
#include<iostream.h>
void main()
{
  float pendapatan, jasa=0, komisi=0, total=0;
  cout<<"Pendapatan Hari ini Rp. ";
  cin>>pendapatan;
  if (pendapatan >= 0 && pendapatan <= 20000)
  {
    jasa=10000;
    komisi=0.1*pendapatan;
  }
  else
  {
    if (pendapatan<=500000)
    {
      jasa=20000;
      komisi=0.15*pendapatan;
    }
    else
    {
      jasa=30000;
      komisi=0.2*pendapatan;
    }
  }
  total=komisi+jasa;
  cout<<"Uang Jasa   Rp. "<<jasa<<endl;
  cout<<"Uang Komisi Rp. "<<komisi<<endl;
  cout<<"==========================="<<endl;
  cout<<"Hasil Total Rp. "<<total<<endl;
  getch();
}
#include<conio.h>
#include<iostream.h>
void main()
{
  double tot_beli, pot=0, jum_bayar=0;
  cout<<"Total Pembelian Rp. ";
  cin>>tot_beli;
  if (tot_beli >= 10000)
  pot = 0.2 * tot_beli;
  cout<<"Besarnya Potongan Rp. "<<pot<<endl;
  jum_bayar = tot_beli - pot;
  cout<<"Jumlah yang harus dibayarkan Rp. ";
  cout<<jum_bayar;
  getch();
  }
#include <cstdlib>
#include <iostream>

using namespace std;

class hitung
{
     
public:
       int proses();
       void input();

private:
        int n;
        float rumus,jumlah,total;
};

void hitung::input()
{
     cin >> n;
     cout << endl;
}
   
int hitung::proses()
{
    jumlah = 0;
    total = 0;
    rumus = -1;

          for(int j=1; j<=n; j++){
                  rumus = (rumus * (-1));
                  total = rumus / j;
                  jumlah+= total;
                  if(j==1)
                  cout << " ( " << total << " ) ";
                       if( j > 1)
                           cout << " + ( " << total << " ) ";
}

cout << endl << endl << " Jumlah Rekursif = " << jumlah;
cout << endl;

return jumlah;
}

int main(int argc, char *argv[])
{
    cout << " Program Menghitung Jumlah dari Rumus 1-(1/2)+(1/3)-(1/4)+...+(1/n) ";
    cout << endl;
    cout << endl;
    cout << " Masukkan Nilai n : ";
   
    hitung deret;
    deret.input();
    deret.proses();
   
    system("PAUSE");
    return EXIT_SUCCESS;
}
#include<iostream.h>
#include<conio.h>
    class FPB{
       friend ostream& operator<<(ostream&,FPB&);
      friend istream& operator>>(istream&,FPB&);
   public:
       FPB();
      void hitung_fpb(){
                  r=a%b;
                    while (r !=0)
                    {
                    a=b;
                    b=r;
                    r=a%b;
                    }
               ;}
   private:
       int a,b,r;
      };
   FPB::FPB(){
     
      }
   istream& operator>>(istream& in,FPB& mlebu){
       cout<<"masukan angka A : ";
      in>>mlebu.a;
      cout<<"masukan angka B : ";
      in>>mlebu.b;
      return in;
      }
   ostream& operator<<(ostream& out,FPB& metu){
       cout<<"FPB dari bilangan A dan B adalah : ";
      out<<metu.b;
       return out;
      }
   main(){
       FPB z;
      cin>>z;
      z.hitung_fpb();
      cout<<z;
      getch();
      return 0;
      }
 #include <iostream.h>
#include <conio.h>

int main(){
  int jmlahhari[12]={31,28,31,30,31,30,31,31,30,31,30,31};
int bulan, tahun, jhari;
 
  clrscr();
  cout<<"masukkan bulan <1...12> : " ;
  cin>>bulan;
  cout<<"masukkan tahunnya : ";
  cin>>tahun;
 
  if(bulan==2)
  if((tahun%4 == 0)&&(tahun%100!=0))
  jhari=29;
  else
  jhari=28;
  else
  jhari=jmlahhari[bulan-1];
 
  cout<<" jumlah hari pada ";
  cout<<"bulan :"<<bulan;
  cout<<", tahun :"<<tahun;
  cout<<", adalah :"<<jhari<<endl;
  getch();
  return 0;
}
#include <iostream.h>
#include <conio.h>
main()
{
int nomor,ribu, ratus, puluh, sa;
semula:
cout << "Masukkan jumlah uang dalam 4 digit : ";
cin >> nomor;
if(nomor < 1000 | nomor > 9999) goto semula;
sa= nomor /1000;
puluh= nomor /100;
ratus= nomor /10;
ribu= nomor /1;
cout << nomor << " = "<< ribu << " ribuan" <<  " + " << ratus << " ratusan" <<  " + " << puluh <<
" puluhan" << " + " << sa << " satuan" << endl;
getch();
return 0;
}

Senin, 18 April 2011

import jeliot.io.*;

public class Coba{
int a;
public int nilai(int a){
return a;
}
public void tahun(int a){
if(a%4==0){
System.out.println("tahun kabisat");}
else{
System.out.println("bukan tahun kabisat");}}}


public class Myclass{
    public static void main() {

        // Your algorithm goes here.
    Coba coba = new Coba();
    int z;
    z=Input.readInt();
    coba.nilai(z);
    coba.tahun(z);
    }
}
#include <cstdlib>
#include <iostream>
#include <cmath>
#include "kalkulator1.h"

int main(int argc, char *argv[])
{
    calculator O;
    char pilih;
    do{
    O.masuk();
    O.proses();
    cout<<"\n";
    cout<<"Anda ingin menghitung lagi ? ( y or n) ";
    cin>>pilih;
    cout<<"\n";
    }
    while(pilih=='Y' || pilih=='y');

    system("PAUSE");
    return EXIT_SUCCESS;
#include <cstdlib>
#include <iostream>
#include <math.h>
using namespace std;
class calculator{
      public:
             calculator();
             void masuk();
             void proses();

      private:
              float a, b;
              float hasil;
              int x;
              };
 
calculator::calculator(){
                       
                          cout<<"\t                           WISNU DWI RAHARDIYAN\n";
                          cout<<"\t                                 10018175\n";
                          cout<<"\t                                     D\n";
cout<<"\n";
cout<<"\n";
                         }

void calculator::masuk(){
         cout<<"pilihan oprasi: \n";
         cout<<"\n";
         cout<<" 1.penjumlahan\n";
         cout<<" 2.pengurangan\n";
         cout<<" 3.perkalian\n";
         cout<<" 4.pembagian\n";
         cout<<" 5.pengkuadratan\n";
         cout<<" 6.akar kuadrat\n";
         cout<<" 7.sin\n";
         cout<<"\n";
         cout<<"Masukkan nomor oprasi : \n";
         cin>>x;
         }

void calculator::proses(){
     float hasil=0.0;
     switch(x){
               case 1 :
                    cout<<"\tpenjumlahan\n";
                    cout<<"\input ="; cin>>a; cout<<"\input ="; cin>>b;
                    hasil=a+b;
                    cout<<"\n";
                    cout<<"hasil = "<<hasil<<endl;
                    break;
               case 2 :
                    cout<<"pengurangan\n";
                    cout<<"\input ="; cin>>a; cout<<"\input ="; cin>>b;
                    hasil=a-b;
                    cout<<"\n";
                    cout<<"hasil = "<<hasil<<endl;
                    break;
               case 3 :
                    cout<<"perkalian\n";
                    cout<<"\input ="; cin>>a; cout<<"\input ="; cin>>b;
                    hasil=a*b;
                    cout<<"\n";
                    cout<<"hasil = "<<hasil<<endl;
                    break;
               case 4 :
                    cout<<"pembagian\n";
                    cout<<"\input ="; cin>>a; cout<<"\input ="; cin>>b;
                    hasil=a/b;
                    cout<<"\n";
                    cout<<"hasil = "<<hasil<<endl;
                    break;
               case 5 :
                    cout<<"pengkuadratan\n";
                    cout<<"\input ="; cin>>a;
                    hasil=a*a;
                    cout<<"\n";
                    cout<<"hasil = "<<hasil<<endl;
                    break;
               case 6 :
                    cout<<"akar kuadrat\n";
                    cout<<"\input ="; cin>>a;
                    hasil=sqrt(a);
                    cout<<"\n";
                    cout<<"hasil = "<<hasil<<endl;
                    break;
               case 7 :
                    cout<<"sin\n";
                    cout<<"\input ="; cin>>a;
                    hasil=sin(a);
                    cout<<"\n";
                    cout<<"hasil = "<<hasil<<endl;
                    break;
              
               default :
                       cout<<"inputannya salah mba/mas!\n";
                       cout<<"tidak ada pilihan\n\n";
                       calculator();
                       break;
                       }
                       }

Senin, 04 April 2011


menggunakan Perulangan for


#include <iostream.h>
#include <conio.h>
void main()
{
char abjad;
for(abjad = ‘A’; abjad <= ‘Z’; abjad++)
{
cout<<abjad<<” “;
}
getch();
}
#include<iostream.h>
#include<conio.h>
main()
{
int n;
cout<<”Masukkan Angka Sesuai Urutan Bulan :”;
cin>>n;
if (n==1)
cout<<”Januari”;
else if (n==2)
cout<<”Februari”;
else if (n==3)
cout<<”Maret”;
else if (n==4)
cout<<”April”;
else if (n==5)
cout<<”Mei”;
else if (n==6)
cout<<”Juni”;
else if (n==7)
cout<<”Juli”;
else if (n==8)
cout<<”Agustus”;
else if (n==9)
cout<<”September”;
else if (n==10)
cout<<”Oktober”;
else if (n==11)
cout<<”November”;
else if (n==12)
cout<<”Desember”;
else
cout<<”Maaf, Nomor Yang Anda Masukkan Tidak dikenal”;
return 0;
}
#include <iostream.h>
#include <conio.h>
void main()
{
float a,b,c;
float hasil;
cout<<”PROGRAM HITUNG NILAI RATA-RATA”<<endl<<endl;
cout<<”Nilai Pertandingan I   : “;
cin>>a;
cout<<”Nilai Pertandingan II  : “;
cin>>b;
cout<<”Nilai Pertandingan III : “;
cin>>c;
hasil = (a+b+c) / 3;
cout<<”\nRata-rata Nilai adalah : “<<hasil;
getch();
}

Minggu, 03 April 2011

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

int luas (int r)
{
    float luas;
    luas=3.14*r*r;
    return (luas);
   
}
void main(){
   int jari2;
   cout<<"masukkan jari - jari : ";
   cin>>jari2;
   cout<<"luas lingkaran dengan jari2 "<<jari2 <<" adalah " <<luas(jari2);
   getch();



}