Compilare: main.cpp: In member function 'void Graf::BFS()': main.cpp:76:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 76 | for(int j = 0; j < adiac[nod].size(); j++) | ~~^~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graf::DFS(int, std::vector<int>&)': main.cpp:99:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 99 | for(int i = 0; i < adiac[S].size(); i++) | ~~^~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graf::nma_nivel(int, int, std::vector<std::vector<int> >&, std::vector<int>&, std::vector<int>&, std::stack<int>&, int&, std::vector<int>&)': main.cpp:133:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 133 | for(int i = 0; i < adiac[k].size(); i++) | ~~^~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graf::Biconex()': main.cpp:183:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 183 | for(int j = 0; j < componente_bi[i].size(); j++) | ~~^~~~~~~~~~~~~~~~~~~~~~~~~