Compilare: main.cpp: In function 'void inserare(Trie*, int, std::__cxx11::string, int)': main.cpp:23:11: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(pos!=w.size()) ~~~^~~~~~~~~~ main.cpp:25:11: warning: suggest explicit braces to avoid ambiguous 'else' [-Wparentheses] if(!(nod->fii[w[pos]-'a'])) ^ main.cpp: In function 'void verif(Trie*, int, std::__cxx11::string)': main.cpp:39:11: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(pos!=w.size() && nod->fii[w[pos]-'a']) ~~~^~~~~~~~~~