Compilare: main.cpp: In function 'int main()': main.cpp:157:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 157 | for(int i = 1; i < path.size(); i ++) { | ~~^~~~~~~~~~~~~ main.cpp:158:51: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 158 | for(int j = cost[path[i - 1]][path[i]]; j <= adn[path[i]].size() - 1; j ++) { | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~