foo.cc: In function 'int FindAscCount(Node*)':
foo.cc:294:20: error: 'x' was not declared in this scope; did you mean 'xx'?
  294 |                 if(x>=y)
      |                    ^
      |                    xx
foo.cc:294:23: error: 'y' was not declared in this scope; did you mean 'yy'?
  294 |                 if(x>=y)
      |                       ^
      |                       yy
foo.cc:292:21: warning: unused variable 'xx' [-Wunused-variable]
  292 |                 int xx = p->data;
      |                     ^~
foo.cc:293:21: warning: unused variable 'yy' [-Wunused-variable]
  293 |                 int yy = p->next->data;
      |                     ^~

[Hydro](https://hydro.ac)提供评测服务