Compilare: main.cpp: In function 'trie* insert(trie*, std::vector<int>, int, int)': main.cpp:18:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 18 | if (poz == v.size()) { | ~~~~^~~~~~~~~~~ main.cpp: In function 'void find(trie*, int)': main.cpp:32:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 32 | for (i = 0; i < x->frunze.size(); i++) { | ~~^~~~~~~~~~~~~~~~~~ main.cpp:36:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 36 | if (poz < v.size() && x->v[v[poz]]) { | ~~~~^~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:56:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 56 | for (j = 0; j < s.size(); j++) { | ~~^~~~~~~~~~ main.cpp:62:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 62 | for (i = 0; i < v.size(); i++) { | ~~^~~~~~~~~~