View Compilation Error

0_0_16384448_23248.cpp:12:2: error: expected initializer before 'freopen'
  freopen("5512.in","r",stdin);
  ^
0_0_16384448_23248.cpp:13:9: error: expected constructor, destructor, or type conversion before '(' token
  freopen("5512.out","w",stdout);
         ^
0_0_16384448_23248.cpp:14:1: error: expected unqualified-id before '{' token
 {
 ^