Run id: 207

Main.cc: In function 'int cifang(int, int)':
Main.cc:12:22: error: too few arguments to function 'int cifang(int, int)'
     return cifang(x^n);
                      ^
Main.cc:7:5: note: declared here
 int cifang(int x,int n)
     ^
Main.cc:13:11: error: a function-definition is not allowed here before '{' token
 int main(){
           ^
Main.cc:18:5: error: expected '}' at end of input
     }
     ^
Main.cc:18:5: warning: control reaches end of non-void function [-Wreturn-type]
     }
     ^