Compilare: main.cpp: In function 'trie* insert(trie*, std::vector<int>, int, int)': main.cpp:19:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 19 | if (poz == v.size()) { | ~~~~^~~~~~~~~~~ main.cpp: In function 'void find(trie*, int)': main.cpp:33:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 33 | for (i = 0; i < x->frunze.size(); i++) { | ~~^~~~~~~~~~~~~~~~~~ main.cpp:37:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 37 | if (poz < v.size() && x->v[v[poz]]) { | ~~~~^~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:57:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 57 | for (j = 0; j < s.size(); j++) { | ~~^~~~~~~~~~ main.cpp:63:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 63 | for (i = 0; i < v.size(); i++) { | ~~^~~~~~~~~~