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May 29th, 2015
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  1. #include<stdio.h>
  2. #include<stdlib.h>
  3. int main(){
  4. char ime[15],prezime[15];
  5. float uspjeh;
  6. int pali=0,i;
  7. FILE *fp;
  8. fp=fopen("ucenici.txt","w");
  9. if(fp==NULL){
  10. printf("Greska pri otvaranju datoteke.\n");
  11. exit(1);}
  12. for(i=0;i<5;i++){
  13. printf("Upisi ime, prezime i uspjeh za %d. ucenika: ",i+1);
  14. scanf("%s %s %f",ime,prezime,&uspjeh);
  15. fprintf(fp,"%s %s %f",ime,prezime,uspjeh);
  16. if(uspjeh<1.5){
  17. pali++;}
  18. }
  19. fclose(fp);
  20. fp=fopen("ucenici.txt","r");
  21. if(fp==NULL){
  22. printf("Greska pri otvaranju datoteke.\n");
  23. exit(1);}
  24. printf("Odlici ucenici:\n");
  25. for(i=0;i<5;i++){
  26. fscanf(fp,"%s %s %f",ime,prezime,&uspjeh);
  27. if(uspjeh>4.5){
  28. printf("\n%s %s %f",ime,prezime,uspjeh);}
  29. }
  30. printf("\n\nPalo je %d ucenika.\n",pali);
  31. fclose(fp);
  32. return 0;
  33. }
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