Compilare: user.cpp: In function ‘void DFS(int)’: user.cpp:78:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<G[vf].size();i++) ^ user.cpp: In function ‘void DFST(int)’: user.cpp:88:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<GT[vf].size();i++) ^ user.cpp: In function ‘void afisare()’: user.cpp:100:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j=0;j<ma[i].size();j++) ^