Compilare: main.cpp: In function 'void print()': main.cpp:27:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 27 | for(auto i=0; i < Componente.size(); i++) | ~~^~~~~~~~~~~~~~~~~~~ main.cpp:29:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 29 | for(auto j=0; j< Componente[i].size(); j++) | ~^~~~~~~~~~~~~~~~~~~~~~