PROGRAM MENGHITUNG RATA-RATA DAN JUMLAH NILAI DENGAN C++

#include <iostream>
#include <windows.h>
/* run this program using the console pauser or add your own getch, system("pause") or input loop */
using namespace std;

int main(int argc, char** argv) {
string nama [10];
int i, total, rata, nilai [5];
int nim [9];
total=0;
cout<<"\tProgram Menghitung Jumlah dan Rata-rata Nilai Mahasiswa";
cout<<endl<<endl;

for (int i=1;i<=5;i++){
cout<<"Masukan data ke "<<i<<endl;
cout<<"\tMasukan NIM "<<i<<"\t : ";cin>>nim[i];
cout<<"\tMasukan Nama "<<i<<"\t : ";cin>>nama[i];
cout<<"\tMasukan Nilai "<<i<<"\t : ";cin>>nilai[i];
cout<<endl;
total+=nilai[i];
rata=total/i;
}
system("cls");
cout<<endl;
cout<<"No. \t"<<" NIM \t" << "Nama \t"<<"Nilai \t"<<endl;
cout<<"----------------------------------"<<endl;
for(int i=1;i<=5;i++){
cout<<i<<"\t"<<nim[i]<<"\t"<<nama[i]<<"\t"<<nilai[i]<<endl;
}

cout<<"----------------------------------"<<endl;
cout<<"Jumlah Nilai "<<" \t\t = "<<total<<"\n";
cout<<"Rata-rata "<<" \t\t = "<<rata<<"\n";

return 0;
}