Tugas Sesi 15 No 1

#include <stdio.h>
#include <stdlib.h>
int main(){
FILE *in;
FILE *out;
char nim[10];
int i, uts, uas, hitung = 0, jumuts = 0, jumuas = 0;
out = fopen("out.txt", "w");
if (!(in = fopen("data.txt", "r+"))){
printf ("File tidak bisa dibaca\n");
}else{
for(i = 0; i < 4; i++){
fscanf(in, "%s %i %i", nim, &uts, &uas);
printf("Data %i\nNIM : %s\nNilai UTS : %d\nNilai UAS : %d\nNilai akhir : %.2f\n\n",i + 1, nim, uts, uas, (float)uts * 40 / 100 + (float)uas * 60 / 100);
fprintf(out, "Data %i\nNim : %s\nNilai Akhir : %.2f\n\n", i + 1, nim,
(float)uts * 40 / 100 + (float) uas * 60 / 100);
hitung++;
jumuts += uts;
jumuas += uas;
}
printf("Rata-rata UTS = %.2f\n", (float)jumuts / hitung);
printf("Rata-rata UAS = %.2f\n", (float)jumuas / hitung);
fprintf(in, "\nRata-rata UTS = %.2f\n", (float)jumuts / hitung);
fprintf(in, "Rata-rata UAS = %.2f\n", (float)jumuas / hitung);
}
fclose(in);
fclose(out);
return 0;
}