View Compilation Error

0_0_29911193_8397.cpp: In function 'void bfs(int, int, int, int)':
0_0_29911193_8397.cpp:26:2: error: expected ';' before 'while'
  while(!q.empty())
  ^
0_0_29911193_8397.cpp:83:1: error: expected '}' at end of input
 }
 ^