View Compilation Error

0_0_36611961_23569.cpp:1:3: error: expected unqualified-id before 'else'
   else ins(rs, md + 1, r, pos);
   ^
0_0_36611961_23569.cpp:2:10: error: expected constructor, destructor, or type conversion before '(' token
   push_up(rt);
          ^
0_0_36611961_23569.cpp:3:2: error: expected declaration before '}' token
  }
  ^