laporanstruct ~#xagusart

#include <iostream>
#include <string.h>
#include <iomanip>
using namespace std;


double get_harkat(char);
char get_nilai(int);

main(){

typedef struct {
    char nama[30],
         dosen[30],
         nilai,
         kode[10];
    int sks;
}matakuliah;

typedef struct{
    char nama[30];
    int nim,
        jumlah_matkul;
    double ipk;
    matakuliah matkul[100];
}mahasiswa;

    int jum_mhs,
        nilai,
        jum_sks;
    double jum_harkat;
    cout<<"berapa mahasiswa yang ingin di input? : ";cin>>jum_mhs;
    mahasiswa mhs[jum_mhs];

for(int i=0;i<jum_mhs;i++){
    jum_sks=0;
    jum_harkat=0;
    cin.ignore();
    cout<<"input data mahasiswa ke "<<i+1<<endl;
    cout<<"masukan nama              : ";cin.getline(mhs[i].nama,30);
    cout<<"masukan nim               : ";cin>>mhs[i].nim;
    cout<<"masukan jumlah matakuliah : ";cin>>mhs[i].jumlah_matkul;
        for(int j=0;j<mhs[i].jumlah_matkul;j++){
            cin.ignore();
            cout<<"    input mata kuliah ke "<<j+1<<endl;;
            cout<<"    nama matakuliah : ";cin.getline(mhs[i].matkul[j].nama,30);
            cout<<"    nama dosen      : ";cin.getline(mhs[i].matkul[j].dosen,30);
            cout<<"    kode matakuliah : ";cin.getline(mhs[i].matkul[j].kode,10);
            cout<<"    nilai           : ";cin>>nilai;
            mhs[i].matkul[j].nilai = get_nilai(nilai);
            cout<<"    Jumlah sks      : ";cin>>mhs[i].matkul[j].sks;
            jum_sks+=mhs[i].matkul[j].sks;
            jum_harkat+= get_harkat(mhs[i].matkul[j].nilai)*mhs[i].matkul[j].sks;
        }
        mhs[i].ipk= jum_harkat/jum_sks;
}

    cout<<"========================================================="<<endl;
    for(int i =0;i<jum_mhs;i++){
    cout<<"Data mahasiswa ke "<<i+1<<" : "<<endl;
    cout<<"nama              : "<<mhs[i].nama<<endl;
    cout<<"nim               : "<<mhs[i].nim<<endl;
    cout<<"jumlah matakuliah : "<<mhs[i].jumlah_matkul<<endl;
    cout<<"ipk               : "<<setprecision(3)<<mhs[i].ipk<<endl;
    cout<<"Data mata kuliah"<<endl;
    cout<<"=========================================================="<<endl;
    cout<<"  Nama       |    DOSEN     |    KODE    |  NILAI |   SKS "<<endl;
    cout<<"=========================================================="<<endl;
        for(int j=0;j<mhs[i].jumlah_matkul;j++){
            cout<<setw(10)<<mhs[i].matkul[j].nama<<setw(15)<<mhs[i].matkul[j].dosen<<setw(12);
            cout<<mhs[i].matkul[j].kode<<setw(10)<<mhs[i].matkul[j].nilai;
            cout<<setw(9)<<mhs[i].matkul[j].sks<<endl;
        }
    cout<<"=========================================================="<<endl;
    }
}

char get_nilai(int x){
    return(x>80&&x<=100?'A':x>=65&&x<80?'B':x>40&&x<=65?'C':x>=20&&x<40?'D':'E');
}

double get_harkat(char x){
 return(x=='A'?4.0:x=='B'?3.0:x=='C'?2.0:x=='D'?1.0:0);
}