View Compilation Error

0_0_37703490_22648.cpp:24:10: error: 'ss' was not declared in this scope
 bool cmp(ss s1, ss s2)
          ^
0_0_37703490_22648.cpp:24:17: error: 'ss' was not declared in this scope
 bool cmp(ss s1, ss s2)
                 ^
0_0_37703490_22648.cpp:24:22: error: expression list treated as compound expression in initializer [-fpermissive]
 bool cmp(ss s1, ss s2)
                      ^
0_0_37703490_22648.cpp:25:1: error: expected ',' or ';' before '{' token
 {
 ^