View Compilation Error

0_0_38820277_22734.cpp: In function 'int BFS(std::string, std::string, std::string*)':
0_0_38820277_22734.cpp:53:55: error: 'amp' was not declared in this scope
   53 |                                 if(!visited.count(up)&&!visited.count(up)){
      |                                                       ^~~
0_0_38820277_22734.cpp:53:63: error: expected ')' before ';' token
   53 |                                 if(!visited.count(up)&&!visited.count(up)){
      |                                   ~                           ^
      |                                                               )
0_0_38820277_22734.cpp:53:82: error: expected ';' before ')' token
   53 |                                 if(!visited.count(up)&&!visited.count(up)){
      |                                                                                  ^
      |                                                                                  ;
0_0_38820277_22734.cpp:58:57: error: 'amp' was not declared in this scope
   58 |                                 if(!visited.count(down)&&!visited.count(down)){
      |                                                         ^~~
0_0_38820277_22734.cpp:58:65: error: expected ')' before ';' token
   58 |                                 if(!visited.count(down)&&!visited.count(down)){
      |                                   ~                             ^
      |                                                                 )
0_0_38820277_22734.cpp:58:86: error: expected ';' before ')' token
   58 |                                 if(!visited.count(down)&&!visited.count(down)){
      |                                                                                      ^
      |                                                                                      ;