Compilare: main.cpp: In function 'void dfs(int)': main.cpp:10:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 10 | for(int i = 0; i < g[nod].size(); i++) | ~~^~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:51:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 51 | for(int i = 0; i < ct.size(); i++) | ~~^~~~~~~~~~~ main.cpp:32:9: warning: unused variable 'cnt' [-Wunused-variable] 32 | int cnt = 0; | ^~~