View Compilation Error

0_0_31362011_22245.cpp:8:9: error: 'x' was not declared in this scope
 int dfs(x,y)
         ^
0_0_31362011_22245.cpp:8:11: error: 'y' was not declared in this scope
 int dfs(x,y)
           ^
0_0_31362011_22245.cpp:8:12: error: expression list treated as compound expression in initializer [-fpermissive]
 int dfs(x,y)
            ^
0_0_31362011_22245.cpp:9:1: error: expected ',' or ';' before '{' token
 {
 ^