View Compilation Error

0_0_36709434_552.cpp: In function 'int main()':
0_0_36709434_552.cpp:82:6: error: 'bfs' was not declared in this scope
 bfs(1);
      ^
0_0_36709434_552.cpp: At global scope:
0_0_36709434_552.cpp:115:1: error: 'vectorvector' does not name a type
 vectorvector
 ^