IHYPRESS PROGRAMMING

Tutorials and C programs with code and output for beginners

<04.06>

/* Birdwatching program (fixed loop / file input) */ #include <stdio.h> int main (void) { FILE *birdfile; int birds, days, total, i, j; birdfile = fopen ("birds.txt", "r"); total = 0; /* loop goes though all 12 months */ for (i=1; i<=12; ++i) { /* reading the number of days of sightings */ fscanf (birdfile, "%d", &days); /* loop varies with number of days of sightings */ for (j=1; j<=days; ++j) { /* reading the number of birds */ fscanf (birdfile, "%d", &birds); total = total + birds; } } fclose (birdfile); printf ("Total number of birds sighted: %d\n", total); return(0); }

Total number of birds sighted: 219

3 4 6 7
3 1 1 1
1 1
0
7 1 5 9 11 5 4 1
2 9 1
1 3
8 2 4 6 9 12 23 4 12
6 4 6 3 9 4 11
3 2 3 7
1 9
2 9 10