Compilare: user.cpp: In function ‘void buildGG()’: user.cpp:101:38: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j = 0; j < G[i].size(); j++) ^ user.cpp: In function ‘void DFS2(int)’: user.cpp:119:38: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < GG[node].size(); i++) ^ user.cpp: In function ‘void DFP2(int)’: user.cpp:130:38: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < GG[node].size(); i++) ^ user.cpp: In function ‘void DFM2(int)’: user.cpp:142:38: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < GT[node].size(); i++) ^ user.cpp: In function ‘void DFS3(int)’: user.cpp:151:38: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < GG[node].size(); i++) ^ user.cpp:157:17: warning: unused variable ‘j’ [-Wunused-variable] int j = max(Poz[neighb], MinPoz); ^