Compilare: user.c: In function ‘main’: user.c:22:59: warning: unused variable ‘jj’ [-Wunused-variable] int n, m, q, p, i, j, l1, c1, l2, c2, qi, max, t, ii, jj; ^ user.c:22:55: warning: unused variable ‘ii’ [-Wunused-variable] int n, m, q, p, i, j, l1, c1, l2, c2, qi, max, t, ii, jj; ^ user.c:22:18: warning: unused variable ‘p’ [-Wunused-variable] int n, m, q, p, i, j, l1, c1, l2, c2, qi, max, t, ii, jj; ^ user.c:25:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf( fin, "%d%d%d%d", &n, &m, &q, &t ); ^ user.c:27:15: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf( fin, "%d%d%d%d%d", &l1, &c1, &l2, &c2, &qi ); ^