Compilare: main.cpp: In function 'void insert(Trie*, int)': main.cpp:24:10: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(poz == s.size()) { ~~~~^~~~~~~~~~~ main.cpp: In function 'int erase(Trie*, int)': main.cpp:36:10: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(poz == s.size()) ~~~~^~~~~~~~~~~ main.cpp: In function 'int query(Trie*, int)': main.cpp:49:10: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(poz == s.size()) ~~~~^~~~~~~~~~~ main.cpp: In function 'int lcp(Trie*, int, int)': main.cpp:57:10: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(poz == s.size() || T->nxt[ch(poz)] == 0) ~~~~^~~~~~~~~~~