View Compilation Error

0_0_39473810_8867.cpp:1:10: error: 'cin' does not name a type
    1 |   int tt;cin>>tt;
      |          ^~~
0_0_39473810_8867.cpp:2:3: error: expected unqualified-id before 'while'
    2 |   while (tt--){
      |   ^~~~~