/in/foo.cc: In function 'void bfs(int)':
/in/foo.cc:16:30: error: expected ')' before ']' token
    if(map[(que[head]*fff[i]+1])%mod==-1){
                              ^
/in/foo.cc:21:3: error: expected ']' before '}' token
   }                                                                      
   ^
/in/foo.cc:21:3: error: expected ')' before '}' token
/in/foo.cc:21:3: error: expected primary-expression before '}' token