Compilare: main.cpp: In function 'void dfs(int)': 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 < l[nod].size(); i++) | ~~^~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:61:8: warning: 'radacina' may be used uninitialized [-Wmaybe-uninitialized] 61 | dfs(radacina); | ~~~^~~~~~~~~~ main.cpp:40:9: note: 'radacina' was declared here 40 | int radacina; | ^~~~~~~~