View Compilation Error

0_0_13683150_6256.cpp: In member function 'int Dinic::DFS(int, int)':
0_0_13683150_6256.cpp:84:34: error: invalid types 'int[int]' for array subscript
             Edge& e = edges[G[x[i]];                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        
                                  ^
0_0_13683150_6256.cpp:84:36: error: expected ']' before ';' token
             Edge& e = edges[G[x[i]];                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        
                                    ^