billing warnet+menu pesan

#include <iostream>
#include <string.h>
#include <iomanip>
using namespace std;
void warnet(int *biling,int *totaljam,int *totalmenit);
void makanminum(int totalpesanan[],int hargapesan[]);
int main(){
    char pesanan[][30] = {"ayam goreng","bakso","nasi goreng","nasi telur","es teh","es jeruk","air putih","minuman soda"},yn;
    int totalpesanan[8]={0,0,0,0,0,0,0,0},hargapesanan[8]={0,0,0,0,0,0,0,0},menu,n,biling=0,totaljam=0,totalmenit=0;
    ulang:
    cout<<"Menu "<<endl;
    cout<<"1. Biling warnet"<<endl;
    cout<<"2. Bayar"<<endl;
    cout<<"Pilih : ";cin>>menu;
    switch(menu){
    case 1:
        cout<<"masukan jumlah pengguna : ";cin>>n;
        cout<<endl;
        for(int i=1;i<=n;i++){
            cout<<endl<<"pengguna ke "<< i<<": "<<endl<<endl;
            warnet(&biling,&totaljam,&totalmenit);
            makanminum(totalpesanan,hargapesanan);
        }
            cout<<"kembali ke menu utama ? <y/n>";cin>>yn;
            if(yn=='y')goto ulang;
        break;
    case 2 :
        cout<<"jumlah waktu : " << totaljam+(totalmenit/60)<<" jam "<<totalmenit%60<<" menit "<<endl;
        cout<<"total bayar  : " << (totaljam+(totalmenit/60))*3000+(totalmenit%60)*200<<endl;
        int penomoran=1,hargapesan=0;
        cout<<"________________________________________________"<<endl;
        cout<<"| No | Pesanan       |     jumlah     |   harga |"<<endl;
        cout<<"------------------------------------------------"<<endl;
        for(int i=0;i<8;i++){
            if(totalpesanan[i]!=0){
                hargapesan+=totalpesanan[i]*hargapesanan[i];
            cout<<"| "<<penomoran<<"  | "<<pesanan[i]<<setw(16-strlen(pesanan[i]))<<"| "<<setw(7)<<totalpesanan[i]<<setw(12)<<" |   "<<totalpesanan[i]*hargapesanan[i]<<" |"<<endl;
            penomoran+=1;
            }
    }
        cout<<"------------------------------------------------"<<endl;
        cout<<""<<setw(42)<<"total pesanan = "<<hargapesan<<endl<<endl;
        cout<<"Yang harus dibayar = " <<hargapesan+(totaljam+(totalmenit/60))*3000+(totalmenit%60)*200<<endl;
        break;}
    return 0;
}
void warnet(int *biling,int *totaljam,int *totalmenit){
    int sisa,jam,menit;
    cout<<"Sewa billing warnet"<<endl;
    cout<<"masukan jam    : ";cin>>jam;
    cout<<"masukan menit  : ";cin>>menit;
    *totaljam+= jam;
    *totalmenit+= menit;
}
void makanminum(int totalpesan[],int hargapesan[]){
    char pesanan[][30] = {"ayam goreng","bakso","nasi goreng","nasi telur","es teh","es jeruk","air putih","minuman soda"},pesan[30];
    int harga,n;
    cout<<endl<<"Pesan Makan&Minum"<<endl;
    cout<<"jumlah pesanan : ";cin>>n;
    for(int i=0;i<n;i++){
    cin.ignore();
    cout<<i+1<<". pesanan : ";cin.getline(pesan,30);
    cout<<"   harga   : ";cin>>harga;
    for(int j=0;j<8;j++){
        if(strcmp(pesan,pesanan[j])==0){
            totalpesan[j]++;
            hargapesan[j]=harga;}
    }
    }
}