PRAKTIKUM IV

#include <cstdlib>
#include <iostream>
#define maks 5

using namespace std;

class array1d{
      friend ostream& operator<<(ostream&, const array1d&);
      friend istream& operator>>(istream&, array1d&);
      public:
             array1d();
             void cetak();
             void geser_kiri();
             void geser_kanan();
             void hapus();
      private:
              char a[maks];
      };
      
      array1d::array1d(){
  for(int i=0;i<maks;i++)
      a[i]='0';
                         }
                         
      void array1d::cetak(){
           for(int i=0;i<maks;i++)
           cout<<a[i]<<"";
           }
           
      ostream& operator<<(ostream& out, const array1d& x){
               for(int i=0;i<maks;i++)
               cout<<x.a[i]<<"";
               cout<<endl;
               return out;
               }
               
      istream& operator>>(istream& in, array1d& x){
               int posisi;
               cout<<"Mengisi array pada posisi ke: ";
               in>>posisi;
               if(posisi>0&&posisi<=maks){
                                          cout<<"Masukkan elemen array nya: ";
                                          in>>x.a[posisi-1];
                                          }
               else
               cout<<"Anda memasukkan posisi di luar range...\n";
               return in;
               }
               
      void array1d::geser_kanan(){
           int n=maks;
           int temp=a[n-1];
           for(int i=n-1;i>=0;i--)
           a[i+1]=a[i];
           a[0]=temp;
           }
           
      void array1d::geser_kiri(){
           int n=maks;
           int temp=a[0];
           for(int i=0;i<n;i++)
           a[i]=a[i+1];
           a[n-1]=temp;
           }
      void array1d::hapus(){
           int pil;
           cout<<"Elemen yang akan di hapus: ";
           cin>>pil;         
           int n=maks;
           for(int i=pil-1;i<n;i++){
           a[i]=a[i+1];
           }
           a[n-1]='0';
           }


int main(int argc, char *argv[])
{
    array1d x;
    cout<<"Array masih kosong: "<<x;
    cin>>x;
    cout<<"Isi Array saat ini: "<<x;
    x.geser_kiri();
    cout<<"Isi Array setelah digeser kiri: "<<x;
    x.geser_kanan();
    cout<<"Isi Array setelah digeser kanan: "<<x;
    x.hapus();
    cout<<"Isi Array setelah dihapus: "<<x;
    system("PAUSE");
    return EXIT_SUCCESS;
}

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