Compilare: user.cpp: In function ‘void DFSPostOrd(int)’: user.cpp:21:38: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<graph[k].size();++i) ^ user.cpp: In function ‘void DFS(int)’: user.cpp:31:39: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<grapht[k].size();++i) ^ user.cpp: In function ‘int main()’: user.cpp:62:52: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=0;j<compConexe[i].size();++j) ^