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May 29th, 2015
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  1. #include <stdio.h>
  2. #include <stdlib.h>
  3.  
  4. int main(){
  5.  
  6. char ulaz[20];
  7. int rez=0;
  8.  
  9. printf("Unesite izraz koji treba izracunati: ");
  10. fgets(ulaz,19,stdin);
  11.  
  12. for(int i=0;i<20;i++){
  13. if(ulaz[i]=='*'){
  14. rez+=(ulaz[i-1]-48)*(ulaz[i+1]-48);
  15. ulaz[i]=rez;
  16. for(int j=i-1;j<20;j++){
  17. ulaz[j]=ulaz[j+1];
  18. }
  19. }
  20. }
  21.  
  22. for(int i=0;i<20;i++){
  23. if(ulaz[i]=='+'){
  24. rez+=(ulaz[i-1]-48)+(ulaz[i+1]-48);
  25. for(int j=i-1;j<20;j++){
  26. ulaz[j]=ulaz[j+1];
  27. }
  28. }
  29. }
  30. for(int i=0;i<20;i++){
  31. if(ulaz[i]=='-'){
  32. rez+=(ulaz[i-1]-48)-(ulaz[i+1]-48);
  33. for(int j=i-1;j<20;j++){
  34. ulaz[j]=ulaz[j+1];
  35. }
  36. }
  37. }
  38. printf("Rezultat je : %d",rez);
  39. system("pause");
  40. return 0;
  41. }
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