View Compilation Error

0_0_38813513_24027.cpp: In function 'bool dfs(int)':
0_0_38813513_24027.cpp:11:20: error: 'amp' was not declared in this scope
   11 |         if(a[x][t]&&!vis[t])  //若x和t间有边相连且t未被访问
      |                    ^~~
0_0_38813513_24027.cpp:11:28: error: expected ')' before ';' token
   11 |         if(a[x][t]&&!vis[t])  //若x和t间有边相连且t未被访问
      |           ~                ^
      |                            )
0_0_38813513_24027.cpp:11:36: error: expected ';' before ')' token
   11 |         if(a[x][t]&&!vis[t])  //若x和t间有边相连且t未被访问
      |                                    ^
      |                                    ;
0_0_38813513_24027.cpp: In function 'int main()':
0_0_38813513_24027.cpp:26:21: error: 'amp' was not declared in this scope
   26 |         scanf("%d",&T);        //输入测试用例数
      |                     ^~~
0_0_38813513_24027.cpp:26:26: error: expected ';' before ')' token
   26 |         scanf("%d",&T);        //输入测试用例数
      |                          ^
      |                          ;
0_0_38813513_24027.cpp:29:39: error: expected ';' before ')' token
   29 |             scanf("%d%d",&n,&m);  //输入课程数n和学生数m
      |                                       ^
      |                                       ;
0_0_38813513_24027.cpp:34:34: error: expected ';' before ')' token
   34 |                 scanf("%d",&j); //输入选择课程i的学生数j
      |                                  ^
      |                                  ;
0_0_38813513_24027.cpp:37:38: error: expected ';' before ')' token
   37 |                     scanf("%d",&t); //依次输入选择课程i的每个学生t
      |                                      ^
      |                                      ;