View Compilation Error

0_0_39100500_18098.cpp: In function 'int main()':
0_0_39100500_18098.cpp:37:33: error: 'tp' was not declared in this scope; did you mean 't'?
   37 |                 cout<<"Case #"<<tp<<": "<<ans<<endl;
      |                                 ^~
      |                                 t