View Compilation Error

0_0_13746280_21468.cpp: In function 'void Addedge(int, int, int)':
0_0_13746280_21468.cpp:26:2: error: 'edge' was not declared in this scope
  edge[cnt].from = from;
  ^
0_0_13746280_21468.cpp:26:7: error: 'cnt' was not declared in this scope
  edge[cnt].from = from;
       ^
0_0_13746280_21468.cpp:37:20: error: 'm' was not declared in this scope
  G[from].push_back(m-2);
                    ^
0_0_13746280_21468.cpp: In function 'int main()':
0_0_13746280_21468.cpp:130:3: error: 'cnt' was not declared in this scope
   cnt=0;
   ^