View Compilation Error

0_0_15678333_11477.cpp:1:8: error: expected constructor, destructor, or type conversion before '(' token
  memset(LCS, 0, sizeof(LCS));
        ^
0_0_15678333_11477.cpp:2:2: error: 's2' does not name a type
  s2 = s1;
  ^
0_0_15678333_11477.cpp:3:9: error: expected constructor, destructor, or type conversion before '(' token
  reverse(s2.begin(), s2.end());
         ^
0_0_15678333_11477.cpp:4:2: error: expected unqualified-id before 'for'
  for (int i = 1; i <= len; i++)
  ^
0_0_15678333_11477.cpp:4:18: error: 'i' does not name a type
  for (int i = 1; i <= len; i++)
                  ^
0_0_15678333_11477.cpp:4:28: error: 'i' does not name a type
  for (int i = 1; i <= len; i++)
                            ^
0_0_15678333_11477.cpp:5:19: error: 'j' does not name a type
   for (int j = 1; j <= len; j++)
                   ^
0_0_15678333_11477.cpp:5:29: error: 'j' does not name a type
   for (int j = 1; j <= len; j++)
                             ^
0_0_15678333_11477.cpp:12:1: error: expected declaration before '}' token
 }
 ^