Compilare: user.c: In function ‘main’: user.c:34:10: warning: unused variable ‘ok’ [-Wunused-variable] bool ok = 0; ^ user.c:32:37: warning: unused variable ‘d’ [-Wunused-variable] int i, j, n, c = 0, max, e = 0, d = 0; ^ user.c:45:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d", &n); ^ user.c:47:15: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f, "%d", &v[i]); ^