Compilare: user.cpp: In function ‘void Solve()’: user.cpp:80:37: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=0;j<V[p].size();j++) ^ user.cpp:93:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=0;j<V[i].size();j++) ^ user.cpp:99:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=0;j<V[i].size();j++) ^