Coding Struktur dengan gets

#include
#include
#include

using namespace std;

struct matkul
{
char kdmk[5];
char nmmk[20];
int sks;
int nilai;
};

struct mahasiswa
{
char nim[11];
char nama[30];
char jurusan[30];
int jmlmk;
matkul data_matakuliah;
};

mahasiswa mhs[10];

int main()
{
int i;
for(i=1; i<=2; i++)
{
cout<<"Input NIM : ";
gets(mhs[i].nim);
cout<<"Input Nama : ";
gets(mhs[i].nama);
cout<<"Input Jurusan : ";
gets(mhs[i].jurusan);
cout<<"Input Jumlah Mata Kuliah : ";
cin>>mhs[i].jmlmk;
cout<<"Input Kode Mata Kuliah : ";
gets(mhs[i].data_matakuliah.kdmk);
cout<<"Input Nama Mata Kuliah : ";
gets(mhs[i].data_matakuliah.nmmk);
cout<<"Input SKS : ";
cin>>mhs[i].data_matakuliah.sks;
cout<<"Input Nilai : ";
cin>>mhs[i].data_matakuliah.nilai;
}

getch();
}