Compilare: user.c: In function ‘main’: user.c:7:9: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%d%d", &l, &n); ^ user.c:9:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%d ", &x); ^ user.c:5:25: warning: ‘t’ may be used uninitialized in this function [-Wmaybe-uninitialized] int l, n, max = 0, x, t, i; ^