Compilare: main.cpp: In function 'void dfs(int)': main.cpp:30:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 30 | for(int i = 0; i <graf[k].size();i++){ | ~~^~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:39:17: warning: unused variable 'el' [-Wunused-variable] 39 | int ad = 0, el = 0; | ^~