NILAI

#include <iostream>
#include <conio.h>
#include <stdlib.h>

using namespace std;

int nilai_akhir(int tugas = 0, int uts = 0, int uas = 0){
	return (tugas * 0.5) + (uts * 0.2) + (uas * 0.3);
}
int main(){
	string password, grade, status, passlogin ="juna7";
	string nama, nim, matkul, dosen;
	int  trying = 0, tugas = 0, uts = 0, uas = 0, NA = 0;
   do {
       if (trying == 3) {
         cout << "Anda Telah 3x dalam melakukan login, progam keluar....";
         exit (EXIT_FAILURE);
		 }
         cout << "#Login : "; cin >> password;
         trying = trying + 1;
     }while(password != passlogin);


	cout << "# Nama : "; cin.ignore(); getline(cin, nama, '\n');
	cout << "# NIM  : "; cin.ignore(); getline(cin, nim, '\n');
	cout << "# Mata kuliah : "; cin.ignore(); getline(cin, matkul, '\n');
	cout << " Dosen : "; cin.ignore(); getline(cin, dosen, '\n');
	system("CLS");
	cout << "# Nilai Tugas : "; cin >> tugas;
	cout << "# Nilai UTS : "; cin >> uts;
	cout << "# Nilai UAS : "; cin >> uas;

	if(tugas < 60){
		cout << " NILAI KAMU SEPERTI TELUR. PROGAM KELUAR....\n";
		exit (EXIT_FAILURE);
	}else{
		NA = nilai_akhir(tugas, uts, uas);
		if (NA >= 85 && NA <= 100){
			grade = "A";
			status = "LULUS" ;
	}else if(NA >= 75 && NA <= 84){
			grade = "B";
			status = "LULUS" ;
	}else if(NA >= 60 && NA <= 74){
			grade = "C";
			status = "LULUS" ;
	}else if(NA >= 40 && NA <= 59){
			grade = "D";
			status = "TIDAK LULUS" ;
	}else{
			grade = "E";
			status = "TIDAK LULUS" ;
		}
	}
	cout << "============= HASIL =============\n";
	cout << ">> NAMA MU : " << nama << endl;
	cout << ">> NIM : " << nim << endl;
	cout << ">> MATA KULIAH : " << matkul << endl;
	cout << ">> DOSEN : " << dosen << endl;
	cout << "=================================\n";
	cout << ">> Nilai Tugas : " << tugas << endl;
	cout << ">> Nilai Uts : " << uts << endl;
	cout << ">> Nilai Uas : " << uas << endl;
	cout << ">> Print nilai akhir : " << NA << endl;
	cout << ">> GRADE : " << grade << endl ;
	cout << ">> Status : " << status << endl ;
	return 0;
}