View Compilation Error

0_0_19442969_31603.cpp:7:11: error: expected unqualified-id before 'double'
  double x,double y;
           ^
0_0_19442969_31603.cpp: In constructor 'p::p(double, double)':
0_0_19442969_31603.cpp:8:28: error: class 'p' does not have any field named 'y'
  p(double x,double y):x(x),y(y){}
                            ^
0_0_19442969_31603.cpp: In function 'int main()':
0_0_19442969_31603.cpp:79:35: error: a function-definition is not allowed here before '{' token
 double dis(p &o,double x,double y){
                                   ^
0_0_19442969_31603.cpp:81:1: error: expected '}' at end of input
 }
 ^