View Compilation Error

0_0_13553651_18794.cpp:14:2: error: expected initializer before 'int'
  int T;
  ^
0_0_13553651_18794.cpp:16:7: error: expected constructor, destructor, or type conversion before '(' token
  scanf("%d",&T);
       ^
0_0_13553651_18794.cpp:17:2: error: expected unqualified-id before 'while'
  while(T--)
  ^