Compilare: main.cpp: In function 'int main()': main.cpp:52:25: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::__cxx11::basic_string<char> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 52 | if (ans <= tmp.size()) | ~~~~^~~~~~~~~~~~~ main.cpp:62:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::__cxx11::basic_string<char> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 62 | for (int i = 0; i < vans.size(); i ++) | ~~^~~~~~~~~~~~~