Compilare: main.cpp: In function 'void dfs(int)': main.cpp:18:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(drum.size()<minim) ~~~~~~~~~~~^~~~~~ main.cpp:26:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(drum.size()>=minim-1) ~~~~~~~~~~~^~~~~~~~~ main.cpp:31:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<vec[nod].size();++i) ~^~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:57:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<sol.size();++i) ~^~~~~~~~~~~