Eroare de compilare: main.cpp: In function 'void dfs(int, int)': main.cpp:16:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 16 | for(int j=0;j<V[x].size();j++) | ~^~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:40:9: error: 'l' was not declared in this scope 40 | for(l=1;(1<<l)<=k;l++) | ^ main.cpp:45:13: error: 'j' was not declared in this scope 45 | j=i+(1<<(l-1)); | ^ Non zero exit status: 1