Compilare: main.cpp: In function 'std::ostream& operator<<(std::ostream&, const Graf&)': main.cpp:104:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 104 | for (int j = 1; j < grafDat.lisAdiacenta[i].size(); ++j) { | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'std::vector<int> Graf::BFS(int)': main.cpp:151:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 151 | for (int i = 1; i < lisAdiacenta[x].size(); ++i) | ~~^~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:141:12: warning: unused variable 'y' [-Wunused-variable] 141 | int x, y; | ^ main.cpp: In member function 'void Graf::DFS(int, std::vector<bool>&, std::stack<int>&)': main.cpp:175:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 175 | for(int i = 1; i < lisAdiacenta[x].size(); i++) | ~~^~~~~~~~~~~~~~~~~~~~~~~~