View Compilation Error

0_0_14031549_4871.cpp: In function 'bool bfs()':
0_0_14031549_4871.cpp:17:5: error: 'queueq' was not declared in this scope
     queueq;
     ^
0_0_14031549_4871.cpp:18:29: error: 'memset' was not declared in this scope
     memset(pre,0,sizeof(pre));
                             ^
0_0_14031549_4871.cpp:21:5: error: 'q' was not declared in this scope
     q.push(s);
     ^
0_0_14031549_4871.cpp: In function 'int main()':
0_0_14031549_4871.cpp:69:31: error: 'memset' was not declared in this scope
         memset(mp,0,sizeof(mp));
                               ^