Compilare: main.cpp: In function 'std::ostream& operator<<(std::ostream&, const Graf&)': main.cpp:102:28: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 102 | for (int j = 1; j < grafDat.lisAdiacenta[i].size(); ++j){ | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'std::vector<int> Graf::BFS(int)': main.cpp:149:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 149 | for (int i = 1; i < lisAdiacenta[x].size(); ++i) | ~~^~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:139:12: warning: unused variable 'y' [-Wunused-variable] 139 | int x, y; | ^ main.cpp: In member function 'void Graf::DFS(int, std::vector<bool>&)': main.cpp:173:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 173 | for(int i = 1; i < lisAdiacenta[x].size(); i++) | ~~^~~~~~~~~~~~~~~~~~~~~~~~