/in/foo.cc: In function 'int main()':
/in/foo.cc:9:25: warning: 'y' may be used uninitialized [-Wmaybe-uninitialized]
    9 |                 x=x*10+y%10;
      |                        ~^~~
/in/foo.cc:5:17: note: 'y' was declared here
    5 |         int n,x,y;
      |                 ^
/in/foo.cc:12:9: warning: 'x' may be used uninitialized [-Wmaybe-uninitialized]
   12 |         if(x==n)
      |         ^~
/in/foo.cc:5:15: note: 'x' was declared here
    5 |         int n,x,y;
      |               ^