View Compilation Error

0_0_39692194_32345.cpp:46:5: error: expected initializer before 'ios'
   46 |     ios::sync_with_stdio(0),cin.tie(0),cout.tie(0);
      |     ^~~
0_0_39692194_32345.cpp:49:5: error: 'cin' does not name a type
   49 |     cin>>t;
      |     ^~~
0_0_39692194_32345.cpp:50:5: error: expected unqualified-id before 'while'
   50 |     while(t--){
      |     ^~~~~
0_0_39692194_32345.cpp:68:1: error: expected declaration before '}' token
   68 | }
      | ^