Compilare: user.c: In function ‘main’: user.c:42:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d%d%d ", &n, &m, &q); ^ user.c:66:15: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d%d%d%d", &x, &y, &x2, &y2); ^ user.c: In function ‘cautbin’: user.c:28:15: warning: ‘poz’ may be used uninitialized in this function [-Wmaybe-uninitialized] if(poz+pas<=m && intreb(x1+poz+pas-1, y1+poz+pas-1, x2, y2)>=poz+pas) ^