Added (19 Oct 2011, 0:50 Am)
---------------------------------------------
Ini contoh program rental sederhana

//Program Rental DVD Standard Soal//

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

void main()
{
int jdv,i;
char nmp[20];
int idf[4],jmf[4],lms[4],dnd[4];
unsigned long tot[4], total;

total=0;

cout<<" RENTAL DVD SAYA MAU "<<endl;
cout<<"======================================="<<endl;
cout<<"LIST FILM :"<<endl;
cout<<"1. GENDONG HANTU"<<endl;
cout<<"2. SUSTER NGEPOT"<<endl;
cout<<"3. CINTA SAJADAH"<<endl;
cout<<"4. LONELY TROOPS"<<endl;
cout<<endl;
cout<<"Masukkan Nama Penyewa = ";
cin>>nmp;
cout<<"Jumlah DVD yang disewa(Max 4) = ";
cin>>jdv;

for(i=0;i<jdv;i++){
cout<<"Data Ke-"<<(i+1)<<" = ";
cout<<"======================================="<<endl;
cout<<"Masukkan ID Jenis Film(1-4) = ";
cin>>idf[i];
cout<<"Masukkan Jumlah Film Yang disewa = ";
cin>>jmf[i];
cout<<"Masukkan Lama Sewa(Hari) = ";
cin>>lms[i];
}

cout<<"---------------------------------------------------------------------------"<<endl;
cout<<" STRUK RENTAL DVD SAYA MAU "<<endl;
cout<<"---------------------------------------------------------------------------"<<endl;
cout<<"Nama Penyewa : "<<nmp<<endl;
cout<<"---------------------------------------------------------------------------"<<endl;
cout<<"No. Nama Film Harga Jumlah Lama Denda Jumlah "<<endl;
cout<<" Sewa Sewa Sewa "<<endl;
cout<<"---------------------------------------------------------------------------"<<endl;

for(i=0;i<jdv;i++){
if(lms[i]>3){
dnd[i]=3000;
}else{
dnd[i]=0;
}
cout<<(i+1)<<". ";

if(idf[i]==1){
tot[i]=5000*jmf[i]+dnd[i];
cout<<" GENDONG HANTU "<<"Rp. 5000,- "<<jmf[i]<<"\t "<<lms[i]<<"\t ""Rp. "<<dnd[i]<<",- "<<"Rp. "<<tot[i]<<",-";
}else if(idf[i]==2){
tot[i]=5500*jmf[i]+dnd[i];
cout<<" SUSTER NGEPOT "<<"Rp. 5500,- "<<jmf[i]<<"\t "<<lms[i]<<"\t ""Rp. "<<dnd[i]<<",- "<<"Rp. "<<tot[i]<<",-";
}else if(idf[i]==3){
tot[i]=6000*jmf[i]+dnd[i];
cout<<" CINTA SAJADAH "<<"Rp. 6000,- "<<jmf[i]<<"\t "<<lms[i]<<"\t ""Rp. "<<dnd[i]<<",- "<<"Rp. "<<tot[i]<<",-";
}else{
tot[i]=4500*jmf[i]+dnd[i];
cout<<" LONELY TROOPS "<<"Rp. 4500,- "<<jmf[i]<<"\t "<<lms[i]<<"\t ""Rp. "<<dnd[i]<<",- "<<"Rp. "<<tot[i]<<",-";
}
cout<<endl;
}

for(i=0;i<jdv;i++){
total=total+tot[i];
}
cout<<"---------------------------------------------------------------------------"<<endl;
cout<<"\t\t\t\t\t\tTotal Harga = Rp. "<<total<<",-"<<endl;
cout<<"Press Any Key To Continue.... ";
getch();
}

Added (19 Oct 2011, 0:52 Am)
---------------------------------------------
Kalo berikut ini programnya lebih sederhana trus seleksinya pake Operator kondisi[u]

//Program Discount Print dan Fotocopy//

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

int main()
{
//deklarasi variabel input//
double a,hp,bw,foto,tot,distot,printhp,printbw,fotocopy,jprinthp,jprintbw,jfotocopy,tprinthp,tprintbw,tfotocopy,dischp,discbw,discfoto,tkprinthp,tk printbw,tkfotocopy,total;
printhp=500;
printbw=1000;
fotocopy=100;

//tampilan inputan program//
cout<<" "<<endl;
cout<<" PROGRAM DISCOUNT PRINT & FOTOCOPY "<<printhp<<endl;
cout<<"========================================="<<endl;
cout<<"Harga Print HP/Lembar = Rp. "<<printhp<<endl;
cout<<"Harga Print BW/Lembar = Rp. "<<printbw<<endl;
cout<<"Harga Fotocopy/Lembar = Rp. "<<fotocopy<<endl;
cout<<" "<<endl;
cout<<"========================================="<<endl;
cout<<" "<<endl;
cout<<"Masukkan Jumlah Print HP : ";
cin>>jprinthp;
cout<<"Masukkan Jumlah Print BW : ";
cin>>jprintbw;
cout<<"masukkan Jumlah Fotocopy : ";
cin>>jfotocopy;
cout<<" "<<endl;
cout<<"========================================="<<endl;

//biaya bayar//
hp=jprinthp*500;
bw=jprintbw*1000;
foto=jfotocopy*100;

//discount untuk print hp//
(jprinthp<10) ? tkprinthp=jprinthp*0 : tkprinthp=(jprinthp*printhp)*0.075;
tprinthp=(jprinthp*printhp)-tkprinthp;

//discount untuk print bw//
(jprintbw<10) ? tkprintbw=jprintbw*0 : tkprintbw=(jprintbw*printbw)*0.075;
tprintbw=(jprintbw*printbw)-tkprintbw;

//discount untuk fotocopy//
(jfotocopy<30) ? tkfotocopy=jfotocopy*0 : tkfotocopy=(jfotocopy*fotocopy)*0.1;
tfotocopy=(jfotocopy*fotocopy)-tkfotocopy;

//dscount masing-masing inputan//
dischp=hp-tprinthp;
discbw=bw-tprintbw;
discfoto=foto-tfotocopy;
distot=dischp+discbw+discfoto;

//total bayar setelah discount//
total=tprinthp+tprintbw+tfotocopy;

//total bayar sebelum discount//
tot=hp+bw+foto;

//tampilan keluaran program//
cout<<" "<<endl;
cout<<"Biaya Print HP = Rp. "<<hp<<"\n";
cout<<"Discount HP = Rp. "<<dischp<<"\n";
cout<<"Biaya Print HP - Discount = Rp. "<<tprinthp<<"\n";
cout<<" "<<endl;
cout<<"Biaya Print HP = Rp. "<<bw<<"\n";
cout<<"Discount BW = Rp. "<<discbw<<"\n";
cout<<"Biaya Print BW - Discount = Rp. "<<tprintbw<<"\n";
cout<<" "<<endl;
cout<<"Biaya Fotocopy = Rp. "<<foto<<"\n";
cout<<"Discount FC = Rp. "<<discfoto<<"\n";
cout<<"Biaya Fotocopy - Discount = Rp. "<<tfotocopy<<"\n";
cout<<" "<<endl;
cout<<"========================================="<<endl;
cout<<" "<<endl;
cout<<"Total Biaya Print = Rp. "<<tot<<"\n";
cout<<"Disc Total = Rp. "<<distot<<"\n";
cout<<" "<<endl;
cout<<"Total Biaya Print - Discount = Rp. "<<total<<"\n";
cout<<" "<<endl;
cout<<"Press Any Key To Continue...";
getch();
}

Added (19 Oct 2011, 0:54 Am)
---------------------------------------------
Naah... Kalo yang satu ini Program data Mahasiswa sederhana tapi tanpa database menggunakan Switch Case[u]

//Program Data Mahasiswa//

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

int i,j;
int nilaiMhs1[90],nilaiMhs2[90];
char namaMhs[90][10];

void garis(){
cout<<"======================================"<<endl;
}
int inputNilai()
{
cout<<"Masukkan Nilai UTS : ";
cin>>nilaiMhs1[j];
cout<<"Masukkan Nilai UAS : ";
cin>>nilaiMhs2[j];
j=j+1;
return j;
}
char inputNama()
{
char nama[10];
cout<<"Masukkan Nama Mahasiswa : ";
cin>>nama;
strcpy(namaMhs[j],nama);
j=inputNilai();
return 0;
}
void lihatData()
{
cout<<"Nama \tUTS "<<"\tUAS"<<endl;
garis();
for (i=0;i<j;i++)
{
cout<<namaMhs[i]<<"\t"<<nilaiMhs1[i]<<"\t"<<nilaiMhs2[i]<<endl;
}
}
void ratarata()
{
float rata[90];
cout<<"Nama \tRata-rata"<<endl;
garis();
for (i=0;i<j;i++)
{
rata[i]=(nilaiMhs1[i]+nilaiMhs2[i])*0.5;
cout<<namaMhs[i]<<"\t"<<rata[i]<<endl;
}
}
void hapusData()
{
int hps;
cout<<"Hapus Data Mahasiswa "<<endl;
garis();
cout<<"Inputkan Index yang akan dihapus (>0) : ";
cin>>hps;
hps=hps-1;
cout<<"Data dengan Index "<<(hps+1)<<" telah dihapus "<<namaMhs[hps]<<endl;

for(i=hps;i<j;i++)
{
strcpy(namaMhs[i],namaMhs[i+1]);
nilaiMhs1[i]=nilaiMhs1[i+1];
nilaiMhs2[i]=nilaiMhs2[i+1];
}
j=j-1;
}
void cariData()
{
char hrf;
char bnt[10];
int ct;

ct=0;
cout<<"Cari Data Mahasiswa"<<endl;
garis();
cout<<"Inputkan huruf awal : ";
cin>>hrf;
cout<<endl;
for(i=0;i<j;i++){
strcpy(bnt,namaMhs[i]);
if(bnt[0]==hrf){
cout<<namaMhs[i]<<"\tIndeks Ke-"<<(i+1)<<endl;
}

}
if(ct==0){
cout<<"Data tidak ditemukan"<<endl;
}
}
void updateData(){
int inp,jaw;
jaw=j;

cout<<"Update Data Mahasiswa"<<endl;
garis();
cout<<"Inputkan Indeks : ";
cin>>inp;
j=inp-1;
inputNama();
cout<<"Data telah terupdate.."<<endl;
j=jaw;
}
void dataLulus(){
float rata[90];
cout<<"Nama \tRata-rata \tLulus"<<endl;
garis();
for (i=0;i<j;i++){
rata[i]=(nilaiMhs1[i]+nilaiMhs2[i])*0.5;
cout<<namaMhs[i]<<"\t"<<rata[i];
if (rata[i]<56){
cout<<"\t\tTidak Lulus"<<endl;
}else{
cout<<"\t\tLulus"<<endl;
}
}
}
void main(){
int pilih;
j=0;

do{
cout<<"Program Data Mahasiswa"<<endl;
garis();
cout<<"1. Input Data Mahasiswa"<<endl;
cout<<"2. Lihat Data Mahasiswa"<<endl;
cout<<"3. Lihat Nilai Rata-rata"<<endl;
cout<<"4. Hapus Data Mahasiswa"<<endl;
cout<<"5. Cari Data Mahasiswa"<<endl;
cout<<"6. Update Data Mahasiswa"<<endl;
cout<<"7. Lihat Data Mhs yang Lulus"<<endl;
cout<<"8. Keluar Program "<<endl;
garis();
cout<<"Masukkan pilihan anda = ";
cin>>pilih;

switch (pilih)
{
case 1 :
inputNama();
garis();
cout<<"\n";
break;

case 2 :
lihatData();
garis();
cout<<"\n";
break;

case 3 :
ratarata();
garis();
cout<<"\n";
break;

case 4 :
hapusData();
garis();
cout<<"\n";
break;

case 5 :
cariData();
garis();
cout<<"\n";
break;

case 6 :
updateData();
garis();
cout<<"\n";
break;

case 7 :
dataLulus();
garis();
cout<<"\n";
break;

case 8 :
break;

}
}
while(pilih!=8);
}