Wakhid-House

Coding :

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

class poli{
friend ostream& operator << (ostream& , poli& );
friend istream& operator >> (istream& , poli& );
public:
poli();
void penjumlahan(const poli&, const poli&);
void nilai(int);
private:
int elemen[100];
int banyak;
};

poli::poli(){
for(int i=0;i<banyak;i++)
elemen[i];
}
istream& operator >> (istream& in, poli& a){
cout<<"banyak elemen : "; in>>a.banyak;
cout<<"masukkan data polinomial : \n";
for(int i=0;i<a.banyak;i++){
cout<<"variabel pangkat "<<i<<" :";
cin>>a.elemen[i];
}
return in;
}
void poli::nilai(int i){
banyak= i;
}
ostream& operator << (ostream& out, poli& a){

for(int i=(a.banyak-1); i>=0; i--){
        cout<<a.elemen[i];
        if(i!=0) cout<<"x^"<<i<<"+";
        }
cout<<endl;
return out;
}
void poli::penjumlahan(const poli& a, const poli& b){
if(a.banyak>b.banyak)banyak=a.banyak;
else banyak=b.banyak;
for(int i=0;i<banyak;i++){
if ((a.banyak-1)<i) elemen[i]=b.elemen[i];
else if ((b.banyak-1)<i) elemen[i]=a.elemen[i];
else elemen[i]=a.elemen[i]+b.elemen[i];
}
}

int main(){
poli x, y, z;
cin>>x;
cout<<x;
cin>> y;
cout<<y;
z.penjumlahan(x,y);
cout<<"\n\nhasil penjumlahan 2 polinomial\n"<<z<<endl;
getch();
return 0;
}

}

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

using namespace std;

int main(int argc, char *argv[])
{
    system("TITLE Wakhid Firmansyah/11018044");
     int nim [25];
     char nama[25][30];
     char tt[25];
     int jumInput;


    for(int i=0;i<2000;i++){
    cout<<"\t\t\t|";
            }
    system("cls");
cout<<"\n\n\n\n\n\n\n\t\t\t+---------------------------------+"<<endl;
cout<<"\t\t\t     | +-----------------------------+ |"<<endl;
    cout<<"\t\t\t  | |      Uji Kompetensi SData      | |"<<endl;
    cout<<"\t\t\t  | |        --  ABSENSi--              | |"<<endl;
    cout<<"\t\t\t  | |     < Wakhid/11018044 >     | |"<<endl;
    cout<<"\t\t\t  | +-----------------------------+ |"<<endl;
    cout<<"\t\t\t +---------------------------------+\n\n\n\n\n\n\n\n";
    system("pause");
    system("cls");
    cout<<"\n\n\n\tMasukkan jumlah Mahasiswa : ";
    cin>>jumInput;
    cout<<endl<<endl;
    system("pause");
    system("cls");
    cout<<"\n\n\t\t\t +--------------------------------+\n";
    cout<<"\t\t\t |   -> Input Data Mahasiswa <-   |\n";
    cout<<"\t\t\t +--------------------------------+\n\n\n";
    for(int i=0;i<jumInput;i++){
    wakhid:
    cout<<"  NIM :";
    cin>>nim[i];
    cout<<"  Nama Mahasiswa "<<i+1<<"  : ";
    cin>>nama[i];
    cout<<"  Tanda Tangan : ";

 
    }
    cout<<endl;
    system("cls");
    cout<<"\n\n\t\t\t +--------------------------------+\n";
    cout<<"\t\t\t |   -> Output Data Mahasiswa <-  |\n";
    cout<<"\t\t\t +--------------------------------+\n\n";
    cout<<endl<<endl;
    cout<<"   |---- |--------------|----------------------|-------------|"<<endl;
    cout<<"   | No |   NIM          | Nama Mahasiswa     |    Tanda      |"<<endl;
    cout<<"   |       |                     |                                 |    Tangan    |"<<endl;
    cout<<"   |---- |--------------|----------------------|-------------|"<<endl;
    for(int i=0;i<jumInput;i++){
        cout.setf(ios::left|ios::showpoint);
cout<<"   | ";
cout.width(3);
cout<<i+1;
cout<<"| ";
cout.width(13);
cout<<nim[i];
cout<<"| ";
cout.width(21);
cout<<nama[i];
cout<<"| ";
cout.width(12);
cout<<tt[i];
cout.precision(5);
cout<<"|\n";
    }
    cout<<"   |----|--------------|----------------------|-------------|"<<endl;
    cout<<endl;
    system("PAUSE");
    return EXIT_SUCCESS;
}