Compilare: main.cpp: In member function 'void graf::BFS(int)': main.cpp:40:32: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 40 | for ( int i = 0; i < matriceAd[x].size(); ++i) | ~~^~~~~~~~~~~~~~~~~~~~~ main.cpp:33:16: warning: unused variable 'y' [-Wunused-variable] 33 | int x, y; | ^ main.cpp: In member function 'void graf::DFS()': main.cpp:62:40: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 62 | for ( int j = 1; j < matriceAd[x].size(); ++j) { | ~~^~~~~~~~~~~~~~~~~~~~~