Compilare: main.cpp: In function 'void DFP(int)': main.cpp:16:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i=0; i<go[nod].size(); i++) { ~^~~~~~~~~~~~~~~ main.cpp: In function 'void DFM(int, int)': main.cpp:27:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i=0;i<gi[nod].size();i++) { ~^~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:63:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (j=0;j<g[i].size();j++) { ~^~~~~~~~~~~~