Compilare: user.cpp: In function ‘void DFSComponents(int)’: user.cpp:43:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0 ; i < G[X].size(); ++i) ^ user.cpp: In function ‘void DFS2(int)’: user.cpp:57:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0 ;i < Gt[X].size(); ++i) ^ user.cpp: In function ‘void SortT(int)’: user.cpp:87:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < T[X].size(); ++i) ^ user.cpp: In function ‘void Calculate(std::vector<int>, std::vector<int>*, int)’: user.cpp:115:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < Ord.size(); ++i) ^ user.cpp:118:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < Ord.size(); ++i) { ^ user.cpp:123:46: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j = 0 ;j < RevT[Ord[i]].size(); ++j) ^