Compilare: main.cpp: In member function 'void graf::BFS(int)': main.cpp:62:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 62 | for (int i = 0; i < matriceAd[x].size(); ++i) { | ~~^~~~~~~~~~~~~~~~~~~~~ main.cpp:55:16: warning: unused variable 'y' [-Wunused-variable] 55 | int x, y; | ^ main.cpp: In member function 'void graf::DFS()': main.cpp:85:39: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 85 | for (int j = 1; j < matriceAd[x].size(); ++j) { | ~~^~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void graf::sortaret(std::vector<int>&)': main.cpp:106:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 106 | for (int i = 1; i < matriceAd[x].size(); ++i) { | ~~^~~~~~~~~~~~~~~~~~~~~