Compilare: main.cpp: In member function 'void graf::dfs(int)': main.cpp:19:35: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 19 | for (int index = 0; index < muchii[node].size(); ++index) { | ~~~~~~^~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void graf::dfsInversate(int, int)': main.cpp:34:35: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 34 | for (int index = 0; index < muchiiInversate[node].size(); ++index) { | ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'std::vector<int> graf::bfs(int)': main.cpp:73:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 73 | for (int i = 0; i < muchii[nod].size(); ++i) | ~~^~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void graf::dfsSortareTopologica(int, std::stack<int>&)': main.cpp:87:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 87 | for (int i = 0; i < muchii[nod].size(); ++i) | ~~^~~~~~~~~~~~~~~~~~~~