View Compilation Error

0_0_22436230_10271.cpp:37:1: error: expected unqualified-id before '{' token
 { 
 ^
0_0_22436230_10271.cpp: In function 'int main()':
0_0_22436230_10271.cpp:56:15: error: 'mirror' was not declared in this scope
   B=mirror(A,L);
               ^