Compilare: main.cpp: In function 'int main()': main.cpp:61:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 61 | for (int i = 0; i < grafInv[nod].size(); ++i) | ~~^~~~~~~~~~~~~~~~~~~~~ main.cpp:70:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 70 | for (int i = 0; i < topologica.size(); ++i) | ~~^~~~~~~~~~~~~~~~~~~