Compilare: main.cpp: In function 'void dfs(int)': main.cpp:18:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 18 | for (int i = 0; i<g[nod].size(); ++i) { | ~^~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:60:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 60 | for (int j=0; j<X[aux/p].size(); ++j) | ~^~~~~~~~~~~~~~~~