View Compilation Error

0_0_39491388_13578.cpp:24:9: error: expected initializer before 'std'
   24 |         std::ios::sync_with_stdio(false);
      |         ^~~
0_0_39491388_13578.cpp:25:9: error: 'cin' does not name a type
   25 |         cin.tie(0);
      |         ^~~
0_0_39491388_13578.cpp:26:9: error: 'cout' does not name a type
   26 |         cout.tie(0);
      |         ^~~~
0_0_39491388_13578.cpp:27:9: error: 'cin' does not name a type
   27 |         cin>>T;
      |         ^~~
0_0_39491388_13578.cpp:28:9: error: expected unqualified-id before 'while'
   28 |         while(T--)
      |         ^~~~~
0_0_39491388_13578.cpp:66:1: error: expected declaration before '}' token
   66 | }
      | ^