View Compilation Error

0_0_29027306_24611.cpp:11:8: error: 'maxe' was not declared in this scope
 } edge[maxe]; //存图
        ^
0_0_29027306_24611.cpp: In function 'void add_edge(int, int, int)':
0_0_29027306_24611.cpp:15:5: error: 'edge' was not declared in this scope
     edge[cnt].next = head[u];
     ^
0_0_29027306_24611.cpp: In function 'bool dinic_deep(int, int)':
0_0_29027306_24611.cpp:32:46: error: 'edge' was not declared in this scope
         for (int i = head[top]; i != -1; i = edge[i].next)
                                              ^
0_0_29027306_24611.cpp: In function 'int dinic_dfs(int, int, int)':
0_0_29027306_24611.cpp:45:42: error: 'edge' was not declared in this scope
     for (int i = head[now]; i != -1; i = edge[i].next)
                                          ^