Compilare: user.cpp: In function ‘void DFS(int)’: user.cpp:17:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < G[ node ].size(); ++i) ^ user.cpp: In function ‘void DFST(int)’: user.cpp:27:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < GT[ node ].size(); ++i) ^ user.cpp: In function ‘int main()’: user.cpp:63:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] {for(int j = 0; j < component[ i ].size(); ++j) ^