Compilare: main.cpp: In member function 'void Graf::dfs(int, int*)': main.cpp:47:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 47 | for(int i= 0; i < adiacenta[n].size(); i++) | ~~^~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graf::dfs_fara_printare(int, int*)': main.cpp:59:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 59 | for(int i= 0; i < adiacenta[n].size(); i++) | ~~^~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graf::OrderFilling(std::stack<int>&, int, int*)': main.cpp:97:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 97 | for(int i= 0; i < adiacenta[n].size(); i++) | ~~^~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graf::ctc()': main.cpp:147:9: warning: unused variable 'k1' [-Wunused-variable] 147 | int k1=0; | ^~