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Velja_Programer

Vreme polaska

Jun 12th, 2018
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C 0.65 KB | None | 0 0
  1. #include <stdio.h>
  2. #include <stdlib.h>
  3.  
  4. int main(int argc, char *argv[]) {
  5.     char buffer[20];
  6.     int redovi=0;
  7.     int i=0;
  8.  
  9.     FILE *f;
  10.    
  11.     f=fopen("redvoznje.txt","a+");
  12.    
  13.     while(fgets(buffer,20,f)!=NULL) /* brojac redova */
  14.     {
  15.         redovi ++;
  16.     }
  17.  
  18.     rewind(f); //vraca kursor na pocetak
  19.     int sat;
  20.     int min1,min2,min3;
  21.     int polazak;
  22.     printf("Unesite cas za koji zelite da vidite polaske:");
  23.     scanf("%d",&polazak);
  24.        
  25.     for(i=0;i<redovi;i++)
  26.     {
  27.         fgets(buffer,20,f);
  28.         sscanf(buffer,"%d %*c %d %d %d",&sat,&min1,&min2,&min3); //ucitava vrednosti iz redova
  29.         if(sat==polazak)
  30.         {
  31.             printf("%s",buffer);
  32.             break;
  33.         }
  34.     }
  35.    
  36.     fclose(f);
  37.     return 0;
  38. }
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