View Compilation Error

0_0_29913429_19541.cpp: In function 'int bfs(int, int)':
0_0_29913429_19541.cpp:41:14: error: 'v' was not declared in this scope
              v.key=v.key|ppow(2,map[v.x][v.y]-'a');   
              ^
0_0_29913429_19541.cpp:41:36: error: missing template arguments before '[' token
              v.key=v.key|ppow(2,map[v.x][v.y]-'a');   
                                    ^
0_0_29913429_19541.cpp:45:22: error: missing template arguments before '[' token
                 a=map[v.x][v.y]-'A';
                      ^
0_0_29913429_19541.cpp:45:23: error: 'v' was not declared in this scope
                 a=map[v.x][v.y]-'A';
                       ^