View Compilation Error

0_0_33549862_20686.cpp: In function 'bool cmp(node, node)':
0_0_33549862_20686.cpp:18:27: error: expected primary-expression at end of input
 bool cmp(node x,node y) { return 
                           ^
0_0_33549862_20686.cpp:18:27: error: expected ';' at end of input
0_0_33549862_20686.cpp:18:27: error: expected '}' at end of input