Compilare: main.cpp: In function 'int main()': main.cpp:41:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 41 | for (int i = 1; i < g.size(); i++) { | ~~^~~~~~~~~~ main.cpp:42:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 42 | if (i + 1 < g.size()) { | ~~~~~~^~~~~~~~~~ main.cpp:56:7: warning: unused variable 'startNode' [-Wunused-variable] 56 | int startNode = 1; | ^~~~~~~~~