View Compilation Error

0_0_18223792_13186.cpp:9:17: error: expected unqualified-id before ',' token
 int head[MAXN], , dis[MAXN];
                 ^
0_0_18223792_13186.cpp: In function 'void init()':
0_0_18223792_13186.cpp:16:5: error: 'cnt' was not declared in this scope
     cnt = 0;
     ^
0_0_18223792_13186.cpp: In function 'void addEdge(int, int)':
0_0_18223792_13186.cpp:22:11: error: 'cnt' was not declared in this scope
     edges[cnt].v = v;
           ^
0_0_18223792_13186.cpp: In function 'void BFS(int)':
0_0_18223792_13186.cpp:36:34: error: 'E' was not declared in this scope
         for(int i=head[u]; ~i; i=E[i].nxt) {
                                  ^