program C++ multiple choice bertipe struct

hay..friend how are you?? i have a program and i wanna share whit you friend, i hope you can try my program and if i have mistake please coment me.....oke this is my program syntax:


//nama:rendi pratama
//kelas:1A
//NIM:101511025

/*
#include<conio.h>
#include<iostream>
using namespace std;
int main()
{
 struct mahasiswa
 {
   char nama[7],NIM[8],jawaban[6];
   int nilai[8];
 };
 mahasiswa mhs[6];
  char kunci[11];
        int i,j;
        i=1;
        while(i<=10)
        {
          cout<<"kunci NO. "<<i<<"=";
          cin>>kunci[i];
          i++;
        }
        i=1;
        while(i<=5)
        {
          cout<<"\n";       
          cout<<"mahasiswa ke-"<<i<<"\n";
          cout<<"=============\n";
          cout<<"nama:";
          cin>>mhs[i].nama;
          cout<<"NIM:";
          cin>>mhs[i].NIM;
          j=1;
         while(j<=10)
          {
            cout<<"jawaban :"<<j<<"\n";
            cin>>mhs[i].jawaban[j];
           j++;
          }
           i++;
          }
          i=1;
          while(i<=5)
           {
          mhs[i].nilai[i]=0;
          j=1;
          while(j<=10)
          {
           if(mhs[i].jawaban[j]==kunci[j])
           {
             mhs[i].nilai[i]++;
           }
           else
           {
             cout<<" ";
           }
           j++;
           }
           i++;
           }
           i=1;
           while(i<=5)
            {
              cout<<"mahasiswa ke-"<<i<<"\n";
              cout<<"nama"<<mhs[i].nama<<"\n";
              cout<<"NIM"<<mhs[i].NIM<<"\n";
              cout<<"nilai mahasiswa"<<mhs[i].nilai[i]<<"\n";
              cout<<"\n";
               i++;     
            }
            getch();
            }
                               
        *\