Compilare: user.c: In function ‘main’: user.c:37:12: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result [-Wunused-result] freopen("progr.in", "r", stdin); ^ user.c:38:12: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result [-Wunused-result] freopen("progr.out", "w", stdout); ^ user.c:41:10: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result] scanf("%i", &t); ^ user.c:46:14: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result] scanf("%i", &n); ^ user.c:48:38: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result] for (i = 0; i < n; ++i) scanf("%i", &A[i]); ^