Compilare: user.c: In function ‘main’: user.c:10:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d%d", &n, &m); ^ user.c:13:15: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d", &e); ^ user.c:52:15: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d", &e); ^ user.c:6:47: warning: ‘p’ may be used uninitialized in this function [-Wmaybe-uninitialized] int n, q, t, lastx, e, min, max, a, b, i, p, m; ^ user.c:6:12: warning: ‘q’ may be used uninitialized in this function [-Wmaybe-uninitialized] int n, q, t, lastx, e, min, max, a, b, i, p, m; ^