Compilare: main.cpp: In function 'void dfs(int)': main.cpp:41:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 41 | for (int i=0;i < adiacenta[curent].size();i++) { | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:87:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 87 | for (int i = 0; i < rez.size(); i++) { | ~~^~~~~~~~~~~~ main.cpp:88:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 88 | for (int j = 0; j < rez[i].size(); j++) { | ~~^~~~~~~~~~~~~~~