Compilare: user.cpp: In function ‘void DFP(int)’: user.cpp:31:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < G[node].size(); i++) ^ user.cpp: In function ‘void DFM(int)’: user.cpp:45:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < GT[node].size(); i++) ^ user.cpp: In function ‘void bellmanFord(int)’: user.cpp:75:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < G[n].size(); i++) ^ user.cpp: In function ‘void Solve()’: user.cpp:100:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j = 0; j < G[i].size(); j++) ^