Compilare: main.cpp: In function 'void dfs1(int)': main.cpp:17:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 17 | for (int i = 0; i < listaAd[nod].size(); i++) | ~~^~~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'void dfs2(int, std::vector<int>&)': main.cpp:32:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 32 | for (int i = 0; i < listaTr[nod].size(); i++) | ~~^~~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:75:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 75 | for (int i = 0; i < rez.size(); i++) | ~~^~~~~~~~~~~~ main.cpp:77:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 77 | for (int j = 0; j < rez[i].size(); j++) | ~~^~~~~~~~~~~~~~~