Compilare: user.cpp: In function ‘void sterge_elem(long long int, int)’: user.cpp:39:11: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if(crt->info == x) ^ user.cpp:43:38: warning: ‘ult’ may be used uninitialized in this function [-Wmaybe-uninitialized] ult->prev = crt->prev; ^ user.cpp: In function ‘int main()’: user.cpp:43:38: warning: ‘ult’ may be used uninitialized in this function [-Wmaybe-uninitialized] user.cpp:36:16: note: ‘ult’ was declared here nod *crt, *ult; ^