Compilare: main.cpp: In function 'void make_fatherless(int, int)': main.cpp:14:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 14 | for(int i=0;i < adj[node].size();i++){ | ~~^~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:68:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 68 | for(int i=0;i < ans.size();i++)cout << ans[i] << " \n"[i == ans.size() - 1]; | ~~^~~~~~~~~~~~ main.cpp:68:62: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 68 | for(int i=0;i < ans.size();i++)cout << ans[i] << " \n"[i == ans.size() - 1]; | ~~^~~~~~~~~~~~~~~~~