View Compilation Error

0_0_39203284_275.cpp: In function 'int main()':
0_0_39203284_275.cpp:12:44: error: expected ';' before 'double'
   12 |         cin>>x1>>y1>>x2>>y2>>x3>>y3>>x4>>y4
      |                                            ^
      |                                            ;
   13 |                 double xs=min(x1,x2),ys=min(y1,y2),xb=max(x1,x2),yb=max(y1,y2);
      |                 ~~~~~~                      
0_0_39203284_275.cpp:15:29: error: 'xs' was not declared in this scope; did you mean 'xs2'?
   15 |             double res=min((xs-xb2)*(ys-yb2),(xs2-xb)*(ys2-yb));
      |                             ^~
      |                             xs2
0_0_39203284_275.cpp:15:38: error: 'ys' was not declared in this scope; did you mean 'ys2'?
   15 |             double res=min((xs-xb2)*(ys-yb2),(xs2-xb)*(ys2-yb));
      |                                      ^~
      |                                      ys2
0_0_39203284_275.cpp:15:51: error: 'xb' was not declared in this scope; did you mean 'xb2'?
   15 |             double res=min((xs-xb2)*(ys-yb2),(xs2-xb)*(ys2-yb));
      |                                                   ^~
      |                                                   xb2
0_0_39203284_275.cpp:15:60: error: 'yb' was not declared in this scope; did you mean 'yb2'?
   15 |             double res=min((xs-xb2)*(ys-yb2),(xs2-xb)*(ys2-yb));
      |                                                            ^~
      |                                                            yb2