Compilare: main.cpp: In function 'void dfs(int)': main.cpp:22:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 22 | for(int i = 0; i < e[nod].size(); i++){ | ~~^~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:36:9: warning: variable 'depend' set but not used [-Wunused-but-set-variable] 36 | int depend[n + 1]; | ^~~~~~