Compilare: main.cpp: In function 'void baga(trie*, std::__cxx11::string)': main.cpp:28:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<s.size();i++) ~^~~~~~~~~ main.cpp: In function 'int cauta(trie*, std::__cxx11::string)': main.cpp:42:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<s.size();++i) ~^~~~~~~~~ main.cpp: In function 'int cauta3(trie*, std::__cxx11::string)': main.cpp:55:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<s.size()&&(p->nrp>1);++i) ~^~~~~~~~~ main.cpp: In function 'void scoate(trie*, std::__cxx11::string, int)': main.cpp:66:13: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(depth==s.size()) ~~~~~^~~~~~~~~~