Contoh Program penjualan menggunakan C++ :
#include <stdio.h>#include <conio.h>
int main()
{
float lima,j,d,e,f,g,h,i,diskon,k,l;
char a ,b ,c,jawab;
main:
printf("\n\n\t+===================================+\n");
printf("\t| PROGRAM PENJUALAN |\n");
printf("\t|===================================|\n");
printf("\t| No | Nama Barang | Harga |\n");
printf("\t|===================================|\n");
printf("\t| 1 | Mie Instan | Rp. 1500 |\n");
printf("\t| 2 | Sabun | Rp. 1000 |\n");
printf("\t|----|------------------|-----------|\n");
printf("\t+===================================+\n\n");
printf("\tMasukan jumlah yang dibeli : ");
scanf("%f",&lima);
printf("\t+===================================+\n");
if(lima==1)
{
printf("\tMasukkan Nama Barang Pertama:");
scanf("%s",&a);
printf("\t+===================================+\n");
printf("\tMasukkan Harga Barang : ");
scanf("%f",&j);
printf("\t+===================================+\n");
printf("\tMasukkan Jumlah Barang Pertama: ");
scanf("%f",&e);
printf("\t+===================================+\n");
g=(j*e);
printf("\tTotal Harga : %.0f\n",g);
diskon=0.10*g;
printf("\tDiskon Harga : %.0f\n",diskon);
printf("\tMasukkan Jumlah Pembayaran :");
scanf("%f",&h);
printf("\t+===================================+\n");
i=h-g+(0.10*g);
printf("\tKembalian : %.0f\n",i);
printf("\t+===================================+\n");
}
else if(lima==2)
{
printf("\tMasukkan Nama Barang Pertama:");
scanf("%s",&a);
printf("\tMasukkan Nama Barang Kedua:");
scanf("%s",&b);
printf("\t+===================================+\n");
printf("\tMasukkan Harga Barang Pertama:");
scanf("%f",&j);
printf("\tMasukkan Harga Barang kedua:");
scanf("%f",&d);
printf("\t+===================================+\n");
printf("\tMasukkan Jumlah Barang Pertama:");
scanf("%f",&e);
printf("\tMasukkan Jumlah Barang kedua:");
scanf("%f",&f);
printf("\t+===================================+\n");
g=(j*e)+(d*f);
printf("\tTotal Harga : %.0f\n",g);
diskon=0.10*g;
printf("\tDiskon Harga : %.0f\n",diskon);
printf("\tMasukkan Jumlah Pembayaran :");
scanf("%f",&h);
printf("\t+===================================+\n");
i=h-g+(0.10*g);
printf("\tKembalian : %.0f\n",i);
printf("\t+===================================+\n");
}
else if(lima==3)
{
printf("\tMasukkan Nama Barang Pertama:");
scanf("%s",&a);
printf("\tMasukkan Nama Barang Kedua:");
scanf("%s",&b);
printf("\t+===================================+\n");
printf("\tMasukkan Harga Barang Pertama:");
scanf("%f",&j);
printf("\tMasukkan Harga Barang kedua:");
scanf("%f",&d);
printf("\t+===================================+\n");
printf("\tMasukkan Jumlah Barang Pertama:");
scanf("%f",&e);
printf("\tMasukkan Jumlah Barang kedua:");
scanf("%f",&f);
printf("\t+===================================+\n");
g=(j*e)+(d*f);
printf("\tTotal Harga : %.0f\n",g);
diskon=0.10*g;
printf("\tDiskon Harga : %.0f\n",diskon);
printf("\tMasukkan Jumlah Pembayaran :");
scanf("%f",&h);
printf("\t+===================================+\n");
i=h-g+(0.10*g);
printf("\tKembalian : %.0f\n",i);
printf("\t+===================================+\n");
}
else if(lima==4)
{
printf("\tMasukkan Nama Barang Pertama:");
scanf("%s",&a);
printf("\tMasukkan Nama Barang Kedua:");
scanf("%s",&b);
printf("\t+===================================+\n");
printf("\tMasukkan Harga Barang Pertama:");
scanf("%f",&j);
printf("\tMasukkan Harga Barang kedua:");
scanf("%f",&d);
printf("\t+===================================+\n");
printf("\tMasukkan Jumlah Barang Pertama:");
scanf("%f",&e);
printf("\tMasukkan Jumlah Barang kedua:");
scanf("%f",&f);
printf("\t+===================================+\n");
g=(j*e)+(d*f);
printf("\tTotal Harga : %.0f\n",g);
diskon=0.10*g;
printf("\tDiskon Harga : %.0f\n",diskon);
printf("\tMasukkan Jumlah Pembayaran :");
scanf("%f",&h);
printf("\t+===================================+\n");
i=h-g+(0.10*g);
printf("\tKembalian : %.0f\n",i);
printf("\t+===================================+\n");
}
else if(lima==5)
{
printf("\tMasukkan Nama Barang Pertama:");
scanf("%s",&a);
printf("\tMasukkan Nama Barang Kedua:");
scanf("%s",&b);
printf("\t+===================================+\n");
printf("\tMasukkan Harga Barang Pertama:");
scanf("%f",&j);
printf("\tMasukkan Harga Barang kedua:");
scanf("%f",&d);
printf("\t+===================================+\n");
printf("\tMasukkan Jumlah Barang Pertama:");
scanf("%f",&e);
printf("\tMasukkan Jumlah Barang kedua:");
scanf("%f",&f);
printf("\t+===================================+\n");
g=(j*e)+(d*f);
printf("\tTotal Harga : %.0f\n",g);
diskon=0.10*g;
printf("\tDiskon Harga : %.0f\n",diskon);
printf("\tMasukkan Jumlah Pembayaran :");
scanf("%f",&h);
printf("\t+===================================+\n");
i=h-g+(0.10*g);
printf("\tKembalian : %.0f\n",i);
printf("\t+===================================+\n");
printf("\t TERIMA KASIH\n\n");
printf("(Y/T) \n");
scanf("%s",&jawab);
if (jawab=='Y' || jawab=='y')
goto main;
}
return 0;
}
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