Compilare: user.c: In function ‘main’: user.c:19:12: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result [-Wunused-result] freopen("scmax.out", "w", stdout); ^ user.c:23:10: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &N); ^ user.c:24:35: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result] for (i = 1; i <= N; ++i) scanf("%d", &A[i]); ^ user.c:45:14: warning: ‘pos’ may be used uninitialized in this function [-Wmaybe-uninitialized] print_seq(pos); ^