Compilare: main.cpp: In function 'void dfs(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<v[nod].size(); i++) | ~^~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:68:26: warning: 'yy' may be used uninitialized in this function [-Wmaybe-uninitialized] 68 | g<<mx<<" "<<xx<<" "<<yy; | ^~ main.cpp:68:21: warning: 'xx' may be used uninitialized in this function [-Wmaybe-uninitialized] 68 | g<<mx<<" "<<xx<<" "<<yy; | ^~~