Compilare: user.c: In function ‘main’: user.c:14:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f, "%i", &t); ^ user.c:17:15: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f, "%i", &n); ^ user.c:18:15: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f, "%i", &m); ^ user.c:19:15: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f, "%i", &k); ^ user.c:26:23: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f, "%i", &sat[i]); ^ user.c:48:16: warning: ‘sum’ may be used uninitialized in this function [-Wmaybe-uninitialized] if ( sum == result ) ^ user.c:58:13: warning: ‘sat’ may be used uninitialized in this function [-Wmaybe-uninitialized] free(sat); ^