Compilare: user.c: In function ‘main’: user.c:14:26: warning: unused variable ‘g’ [-Wunused-variable] int n, i, sum, j, q, g; ^ user.c:14:23: warning: unused variable ‘q’ [-Wunused-variable] int n, i, sum, j, q, g; ^ user.c:16:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%d", &n); ^ user.c:21:15: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%d", &a[i]); ^