Compilare: main.cpp: In constructor 'trie::trie()': main.cpp:21:42: warning: passing NULL to non-pointer argument 2 of 'void* memset(void*, int, size_t)' [-Wconversion-null] memset(litere,NULL,sizeof(litere)); ^ main.cpp: In function 'void insereaza(trie*, int, int)': main.cpp:27:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if( sir.size()==poz ) ~~~~~~~~~~^~~~~ main.cpp: In function 'void antibfs(trie*)': main.cpp:73:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=0; j<aux->elem.size(); ++j) sol[aux->elem[j]]=aux->nr; ~^~~~~~~~~~~~~~~~~