Izmjerene temperature

#include <stdio.h>
#include <stdlib.h>


int main(int argc, char **argv)
{
FILE *fp;
int **m, i, t;
m=calloc(12, sizeof(int*));
for (i=0; i<12; i++)
m[i]=calloc(2, sizeof(int));
fp=fopen("podaci.dat", "r");
if (fp==NULL) return 0;
else {
printf("Otvorena!\n");
while(!feof(fp)) {
if (getc(fp)=='.') {
fscanf(fp, "%d %d", &i, &t);
m[i-1][0]++;
m[i-1][1]+=t;
}
}
}
fclose(fp);
printf("Zatvorena!\n");
fp=fopen("obrada.txt", "w");
if (fp==NULL) return 0;
else {
printf("Otvorena!\n");
for (i=0; i<12; i++) {
if (m[i][0]==0) fprintf(fp, "Nema mjerenja za %d. mjesec\n", i+1);
else
fprintf(fp, "%d. mjesec: %5.2f\n", i+1, (float)m[i][1]/m[i][0]);
}
}
fclose(fp);
printf("Zatvorena!\n");
for (i=0; i<12; i++)
free(m[i]);
free(m);
getchar();
return 0;
}