Compilare: main.cpp: In function 'void dfs1(int)': main.cpp:18:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 18 | for (int i = 0; i < listaAd[nod].size(); i++) | ~~^~~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'void dfs2(int, std::vector<int>&)': main.cpp:31:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 31 | for (int i = 0; i < listaTr[nod].size(); i++) | ~~^~~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:70:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 70 | for (int i = 0; i < rez.size(); i++) | ~~^~~~~~~~~~~~ main.cpp:72:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 72 | for (int j = 0; j < rez[i].size(); j++) | ~~^~~~~~~~~~~~~~~