/in/foo.cc: In function 'int main()':
/in/foo.cc:16:15: warning: 'n' may be used uninitialized [-Wmaybe-uninitialized]
   16 |         cout<<n;
      |               ^
/in/foo.cc:5:23: note: 'n' was declared here
    5 |         int a,b,c,x,y,n;
      |                       ^
/in/foo.cc:7:9: warning: 'i' may be used uninitialized [-Wmaybe-uninitialized]
    7 |         for(int i;i<n;i++)
      |         ^~~
/in/foo.cc:7:17: note: 'i' was declared here
    7 |         for(int i;i<n;i++)
      |                 ^
/in/foo.cc:5:15: warning: 'b' may be used uninitialized [-Wmaybe-uninitialized]
    5 |         int a,b,c,x,y,n;
      |               ^
/in/foo.cc:9:18: warning: 'a' may be used uninitialized [-Wmaybe-uninitialized]
    9 |                 c=a+b;
      |                 ~^~~~
/in/foo.cc:5:13: note: 'a' was declared here
    5 |         int a,b,c,x,y,n;
      |             ^