ModulI Praktikum(Semester II)

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

struct dataMahasiswa
{
    char nama[20];
    char npm[20];
    char alamat[20];
    char ttl[20];
    char matkul[20];
    int nilaiAngka;

}maha;
int main(){
    char nilaiHuruf;
    cout<<"Nama Mahasiswa   : "; cin.getline(maha.nama,20);
    cout<<"NPM              : "; cin.getline(maha.npm,20);
    cout<<"Alamat           : "; cin.getline(maha.alamat,20);
    cout<<"TTL              : "; cin.getline(maha.ttl,20);
    cout<<"Mata kuliah      : "; cin.getline(maha.matkul,20);
    cout<<"Nilai Angka      : "; cin>>maha.nilaiAngka;
        if((maha.nilaiAngka<=100)&&(maha.nilaiAngka>=81))
            nilaiHuruf='A';
        else if ((maha.nilaiAngka<=80)&&(maha.nilaiAngka>=66))
            nilaiHuruf='B';
        else if ((maha.nilaiAngka<=65)&&(maha.nilaiAngka>=41))
            nilaiHuruf='C';
        else if ((maha.nilaiAngka<=40)&&(maha.nilaiAngka>=31))
            nilaiHuruf='D';
        else if ((maha.nilaiAngka<=30)&&(maha.nilaiAngka>=0))
            nilaiHuruf='E';
    cout<<endl;
    cout<<"=============OUTPUT==============="<<endl;

    cout<<"Nama Mahasiswa   : "<<(maha.nama,20)<<endl;
    cout<<"NPM              : "<<(maha.npm,20)<<endl;
    cout<<"Alamat           : "<<(maha.alamat,20)<<endl;
    cout<<"TTL              : "<<(maha.ttl,20)<<endl;
    cout<<"Mata kuliah      : "<<(maha.matkul,20)<<endl;
    cout<<"Nilai Angka      : "<<maha.nilaiAngka<<endl;
    cout<<"Nilai Huruf      : "<<nilaiHuruf<<endl;
    cout<<endl;
    cin.ignore();
}