Compilare: main.cpp: In member function 'void Graph::biconexe(int, int, std::stack<int>&, std::vector<int>&, std::vector<int>&, std::vector<std::vector<int> >&)': main.cpp:36:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 36 | for (int i = 0; i < _list[node].size(); i++) { | ~~^~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:104:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 104 | for (int i = 0; i < bic.size(); i++) { | ~~^~~~~~~~~~~~ main.cpp:105:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 105 | for (int j = 0; j < bic[i].size(); j++) | ~~^~~~~~~~~~~~~~~