View Compilation Error

0_0_37243247_29039.cpp:12:2: error: expected unqualified-id before 'if'
  if(N ==1)
  ^
0_0_37243247_29039.cpp:16:2: error: expected unqualified-id before 'for'
  for(i = 1;i<N+1;i++)
  ^
0_0_37243247_29039.cpp:16:12: error: 'i' does not name a type
  for(i = 1;i<N+1;i++)
            ^
0_0_37243247_29039.cpp:16:18: error: 'i' does not name a type
  for(i = 1;i<N+1;i++)
                  ^
0_0_37243247_29039.cpp:26:2: error: expected unqualified-id before 'for'
  for(i =N-1;i>=1;i--)
  ^
0_0_37243247_29039.cpp:26:13: error: 'i' does not name a type
  for(i =N-1;i>=1;i--)
             ^
0_0_37243247_29039.cpp:26:18: error: 'i' does not name a type
  for(i =N-1;i>=1;i--)
                  ^
0_0_37243247_29039.cpp:35:2: error: expected unqualified-id before 'return'
  return 0;
  ^
0_0_37243247_29039.cpp:36:1: error: expected declaration before '}' token
 }
 ^