View Compilation Error

0_0_20403495_494.cpp:3:1: error: expected unqualified-id before '<' token
 </pre><pre name="code" class="cpp">/*Box Relations
 ^
In file included from 0_0_20403495_494.cpp:64:0:
GCC4.9.2/x86_64-w64-mingw32/include/stdio.h:13:32: error: expected declaration before end of line
 #pragma pack(push,_CRT_PACKING)
                                ^