#include "stdio.h"
#include "conio.h"
main()
{
int a,b,d,nim,uas,uts,tugas,hri,rata,na,grade;
char nama;
printf("Masukkan Jumlah data = ");
scanf("%i",&b);
for(a=0;a<b;a++)
{
printf("======================== \n");
printf("===== Mahasiwa %i ==== \n",a+1);
printf("NIM = ");
scanf("%i",&nim);fflush(stdin);
printf("Nama = ");
scanf("%c",&nama);fflush(stdin);
printf("Nilai UAS = ");
scanf("%i",&uas);
printf("Nilai UTS = ");
scanf("%i",&uts);
printf("Nilai Tugas = ");
scanf("%i",&tugas);
printf("Nilai Harian = ");
scanf("%i",&hri);

na=((0.4*uas)+(0.3*uts)+(0.2*tugas)+(0.1*hri)/4);
printf("Nilai Akhir = %i ",na);
if (na <= 100 && na >= 90)
printf(" >> Grade = A\n");
else if (na <= 89 && na >= 80)
printf(" >> Grade = B\n");
else if (na <= 79 && na >= 70)
printf(" >> Grade = C\n");
else if (na <= 69 && na >= 60)
printf(" >> Grade = D\n");
else if (na <= 59 && na >= 50)
printf(" >> Grade = E\n");

printf("Apakah Ada data yang salah ? Tekan R untuk mengulang \n");
}
getch();
}