fungsi if, loop, dan array

#include<conio>
#include<iostream>
#include<stdio>

char ket(float n)
{
if(n > 60)
return 'L';
else
return 'T';
}

main( )
{
int i;

struct
{
char npm[10];
char nama[15];
float nilai;
} mhs[5];

clrscr( );
for(i=1; i<=2; i++) {
cout<<"Data Ke - "<<"masukan NPM = "; cin>>mhs[i].npm;
cout<<"masukan Nama = "; cin>>mhs[i].nama;
cout<<"masukan Nilai Akhir = "; cin>>mhs[i].nilai;
cout<<endl;
}
clrscr( );
for(i=1; i<=2; i++)
{
cout<<"Data Ke - "<<i<<endl;
cout<<"NPM = "<<mhs[i].npm<<endl;
cout<<"Nama = "<<mhs[i].nama<<endl;
cout<<"Nilai Akhir = "<<mhs[i].nilai<<endl;
cout<<"Keterangan yang didapat= "<<endl;
cout<<ket(mhs[i].nilai)<<endl;
cout<<endl;
}
getch( );
}