Compilare: main.cpp: In function 'void dfs(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 i = 0; i < edges[son].size(); ++i) { | ~~^~~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:49:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::queue<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 49 | while (vtx > q.size()) { | ~~~~^~~~~~~~~~