1. zad / kateg.1

#include <stdio.h>
#include <stdlib.h>
#define BROJ_VREMENA 3

int main()
{
    FILE *fp1,*fp2;
    int h,m,s, vreme=0, i;

    fp1=fopen("ULAZ.txt", "r+");
    fp2=fopen("IZLAZ.txt", "w");
    for(i=0;i<BROJ_VREMENA;i++)
    {
        fscanf(fp1, "%d %d %d", &h, &m, &s);
        if(m>=60 || s>=60)
        {
            printf("Greska u ulaznom fajlu!");
            return -1;
        }
        fgetc(fp1);
        vreme=vreme+s+m*60+h*3600;


    }
    vreme/=3;
    h=vreme/3600;
    vreme-=h*3600;
    m=vreme/60;
    s=vreme%60;

    fprintf(fp2, "%d %d %d",h,m,s);

    return 0;
}