Compilare: main.cpp: In function 'void DFS(int, int)': main.cpp:18:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<v[nod].v.size();i++) ~^~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:66:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<cmp.size();i++) ~^~~~~~~~~~~ main.cpp:68:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=0;j<cmp[i].c.size();j++) ~^~~~~~~~~~~~~~~~