View Compilation Error

0_0_19428966_8243.cpp:29:2: error: expected initializer before 'int'
  int T;
  ^
0_0_19428966_8243.cpp:30:7: error: expected constructor, destructor, or type conversion before '(' token
  scanf("%d",&T);
       ^
0_0_19428966_8243.cpp:31:2: error: expected unqualified-id before 'while'
  while (T--)
  ^