foo.cc: In function ‘LL get(LL, int)’:
foo.cc:13:20: warning: unused variable ‘low’ [-Wunused-variable]
   13 |                 LL low = n % pow;
      |                    ^~~
foo.cc:23:1: warning: no return statement in function returning non-void [-Wreturn-type]
   23 | }
      | ^
foo.cc: In function ‘int main()’:
foo.cc:29:22: warning: ‘n’ is used uninitialized [-Wuninitialized]
   29 |         cout<<get(n,d);
      |                      ^
foo.cc:27:18: note: ‘n’ was declared here
   27 |         int d;LL n;
      |                  ^
foo.cc:29:22: warning: ‘d’ is used uninitialized [-Wuninitialized]
   29 |         cout<<get(n,d);
      |                      ^
foo.cc:27:13: note: ‘d’ was declared here
   27 |         int d;LL n;
      |             ^