Compilare: main.cpp: In member function 'void Graf::bfs(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 < lista[x].size(); i++) { | ~~^~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graf::dfs(int, std::vector<int>&)': main.cpp:132:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 132 | for (int i = 0; i < lista[x].size(); i++) { | ~~^~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graf::citire_ST()': main.cpp:180:7: warning: unused variable 'x' [-Wunused-variable] 180 | int x, y; | ^ main.cpp:180:10: warning: unused variable 'y' [-Wunused-variable] 180 | int x, y; | ^