View Compilation Error

0_0_36694967_14155.cpp:14:14: error: invalid declarator before 'E'
 vector<Edge> E[maxn];
              ^
0_0_36694967_14155.cpp: In function 'int spfa(int&)':
0_0_36694967_14155.cpp:25:24: error: 'E' was not declared in this scope
         for (int i=0;i<E[now].size();i++){
                        ^
0_0_36694967_14155.cpp: In function 'int main()':
0_0_36694967_14155.cpp:47:13: error: 'E' was not declared in this scope
             E[a].push_back(Edge(b,c));
             ^