Compilare: main.cpp: In function 'void dfs(int, int)': main.cpp:13:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 13 | for(int j=0;j<L[nod].size();j++) | ~^~~~~~~~~~~~~~ main.cpp: In function 'void dfs2(int, int)': main.cpp:33:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 33 | for(int j=0;j<L[nod].size();j++) | ~^~~~~~~~~~~~~~