Compilare: user.c: In function ‘print_tree’: user.c:31:5: warning: format ‘%d’ expects argument of type ‘int’, but argument 3 has type ‘long long int’ [-Wformat=] printf ("Nod = %2d\t Minim = %10d\t De_Updatat = %d\t => %d\n", j, v[j].level, v[j].update, v[j].add); ^ user.c:31:5: warning: format ‘%d’ expects argument of type ‘int’, but argument 5 has type ‘long long int’ [-Wformat=] user.c: In function ‘main’: user.c:113:11: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result [-Wunused-result] freopen ("biscuiti.in", "r", stdin); ^ user.c:114:11: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result [-Wunused-result] freopen ("biscuiti.out", "w", stdout); ^ user.c:116:16: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result] int n; scanf ("%d", &n); ^ user.c:122:18: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result] int x; scanf ("%d", &x); ^