View Compilation Error

0_0_20639097_3549.cpp:9:2: error: expected initializer before 'string'
  string s;
  ^
0_0_20639097_3549.cpp:11:2: error: 'cin' does not name a type
  cin>>t;
  ^
0_0_20639097_3549.cpp:12:11: error: expected constructor, destructor, or type conversion before ';' token
  getchar();
           ^
0_0_20639097_3549.cpp:13:2: error: expected unqualified-id before 'while'
  while(t--)
  ^