Program 1

#include <iostream>
#include <conio.h>
using namespace std;
class p_panjang {
private:
int p,l;
public:
int luas(){
return (p*l);
}
void beri_nilai (int p1, int l1){
p=p1; l=l1;
}
};
main() {
p_panjang a,b;
int w,x,y,z;
system("Color 1B");
cout<<endl;
string sambutan="\t\t\t>>>>>>>>>> SELAMAT DATANG <<<<<<<<<\n\n";
for (int x=0;x<=sambutan.length();x++){
cout<<sambutan[x];
for (double y=0;y<=990000;y++){
 }}
cout<<endl;
cout<<"Mencari Luas a dan b";
cout<<endl<<endl;
cout<<"Panjang a = ";cin>>w;
cout<<endl;
cout<<"Lebar   a = ";cin>>y;
cout<<endl;
cout<<"Panjang b = ";cin>>x;
cout<<endl;
cout<<"Lebar   b = ";cin>>z;
cout<<endl;
a.beri_nilai(w,y);
b.beri_nilai(x,z);
cout<<"Hasil";
cout<<endl;
cout<<"\nLuas a    = "<<a.luas();
cout<<endl;
cout<<"\nLuas b    = "<<b.luas();
getch();
}