Compilare: main.cpp: In function 'int dfs(int, std::vector<std::vector<int> >&, std::vector<bool>&, std::vector<int>&, std::vector<int>&)': main.cpp:15:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 15 | for (int j = 0; j < edges[node].size(); j++) { | ~~^~~~~~~~~~~~~~~~~~~~ main.cpp:26:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 26 | for (int i = 0; i <= edges[node].size(); i++) { | ~~^~~~~~~~~~~~~~~~~~~~~ main.cpp:21:26: warning: 'child_sum' may be used uninitialized [-Wmaybe-uninitialized] 21 | copii[j] = child_sum; main.cpp:17:21: note: 'child_sum' was declared here 17 | int child_sum; | ^~~~~~~~~