Compilare: main.cpp: In member function 'void graph::Dfs(int)': main.cpp:22:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 22 | for( int i = 0; i < ad[node].size(); ++i ) { | ~~^~~~~~~~~~~~~~~~~ main.cpp: In member function 'void graph::Dfs2(int, int, std::vector<std::vector<int> >&)': main.cpp:33:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 33 | for( int i = 0; i < ad[node].size(); ++i ) { | ~~^~~~~~~~~~~~~~~~~ main.cpp: In member function 'void graph::BfsTraversal(int)': main.cpp:113:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 113 | for( int i = 0; i < ad[u].size(); ++i ) { | ~~^~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:158:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 158 | for( int i = 0; i < tmp.size(); ++i ) { | ~~^~~~~~~~~~~~ main.cpp:159:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 159 | for( int j = 0; j < tmp[i].size(); ++j ) | ~~^~~~~~~~~~~~~~~