Tubes Klp 2

/*
Syamsul Rijal 60200118061
Hasbullah 60200118061
*/

include

include

include

define MAX 20

using namespace std;

int t1 = 0;

struct Stack {
char menu[MAX][MAX];
int top, harga[MAX], stok[MAX] , t[MAX];
}Tumpukan;

void init(){
Tumpukan.top = -1;
}

bool kosong() {
return Tumpukan.top == -1;
}

bool penuh() {
return Tumpukan.top == MAX-1;
}

int clear()
{
while((getchar())^'\n');
}

void push() {
if (penuh()) {
cout << "\nPenuh"< }
else {
Tumpukan.top++;
t1++;
cout << "\nMasukkan Menu = ";clear();gets( Tumpukan.menu[Tumpukan.top]);
cout << "Masukkan Harga = "; cin >> Tumpukan.harga[Tumpukan.top];
cout << "Masukkan stok = "; cin >> Tumpukan.stok[Tumpukan.top];
Tumpukan.t[Tumpukan.top] = t1;

}

}

void pop() {
Tumpukan.top--;
}

void printStack() {
if (kosong()) {
cout << "kosong";
}
else {
cout<<"=====================================================\n";
cout<<"| menu | harga | stok |\n";
cout<<"=====================================================\n";
for (int i = 0; i <= Tumpukan.top; i++){
cout<<"| "<<setiosflags(ios::left)<<setw(20)<<Tumpukan.menu[i]<<"|";
cout<<" "<<setiosflags(ios::left)<<setw(14)<<Tumpukan.harga[i]<<"|";
cout<<" "<<setiosflags(ios::left)<<setw(12)<<Tumpukan.stok[i]<<"|";
cout<<"\n=====================================================\n";
}
}
}

void stoktertinggi(){
int tmp;

for(int i = 0; i<=Tumpukan.top; i++){   
    for(int j=0; j<i; j++){
        if(Tumpukan.stok[i]<=Tumpukan.stok[j]){
            tmp=Tumpukan.stok[i];
            Tumpukan.stok[i]=Tumpukan.stok[j];
            Tumpukan.stok[j]=tmp;               
        }
    }
}
cout<<"=====================================================\n";
cout<<"|        menu         |     harga     |     stok    |\n";
cout<<"=====================================================\n";
for (int i = Tumpukan.top; i >= 0; i--){
    cout<<"| "<<setiosflags(ios::left)<<setw(20)<<Tumpukan.menu[i]<<"|";
    cout<<" "<<setiosflags(ios::left)<<setw(14)<<Tumpukan.harga[i]<<"|";
    cout<<" "<<setiosflags(ios::left)<<setw(12)<<Tumpukan.stok[i]<<"|"; 
    cout<<"\n=====================================================\n";
}

}

void hargaterendah(){
int tmp;

for(int i = 0; i<=Tumpukan.top; i++){   
    for(int j=0; j<i; j++){
        if(Tumpukan.harga[i]>=Tumpukan.harga[j]){
            tmp=Tumpukan.harga[i];
            Tumpukan.harga[i]=Tumpukan.harga[j];
            Tumpukan.harga[j]=tmp;              
        }
    }
}
cout<<"=====================================================\n";
cout<<"|        menu         |     harga     |     stok    |\n";
cout<<"=====================================================\n";
for (int i = Tumpukan.top; i >= 0; i--){
    cout<<"| "<<setiosflags(ios::left)<<setw(20)<<Tumpukan.menu[i]<<"|";
    cout<<" "<<setiosflags(ios::left)<<setw(14)<<Tumpukan.harga[i]<<"|";
    cout<<" "<<setiosflags(ios::left)<<setw(12)<<Tumpukan.stok[i]<<"|"; 
    cout<<"\n=====================================================\n";
}

}

int main() {
int pilihan,pilih,pil,pesan,total,kembalian,uang;
init();
do {
awal:
cout<<"\n1. tambah\n"
<<"2. Hapus (Pop)\n"
<<"3. Menyusun Menu\n"
<<"4. Pembayaran\n"
<<"5. Keluar\n"
<<"Masukkan Pilihan: ";
cin >> pilihan;
switch (pilihan)
{
case 1:
push();
printStack();
getch();
system("cls");
break;
case 2:
pop();
printStack();
getch();
system("cls");
break;
case 3:
cout<<"\n1. Stok tertinggi\n"
<<"2. Harga terendah\n"
<<"Masukkan pilihan :";
cin>>pilih;
if(pilih==1)
{
stoktertinggi();
}
else if(pilih==2)
{
hargaterendah();
}
else{
cout<<"Salah input";
}
getch();
system("cls");
goto awal;
break;
case 4:
printStack();
cout<<"Masukkan Pilihan : ";cin>>pil;
cout<<"jumlah pesanan : ";cin>>pesan;

        for (int i = 0; i <= Tumpukan.top; i++){
            if (pil == Tumpukan.t[i])
            {
                cout<<"stok  : " << Tumpukan.stok[i] << endl;
                cout<<"Pesan : "<<pesan<<endl;
                Tumpukan.stok[i]=Tumpukan.stok[i]-pesan;
                total=pesan*Tumpukan.harga[i];
            }

        }

        cout << "total bayar : " << total << endl;
        cout<<"Masukkan jumlah pembayaran   : ";cin>>uang;
        kembalian=uang-total;
        cout<<"Kembalian : "<<kembalian;

        break;
    default:
        cout<<"Salah input";
    }
} while (pilihan!=5);

}