/in/foo.cc: In function 'void work1()':
/in/foo.cc:35:2: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
  for(int i=2;i<=n+m;i++)
  ^~~
/in/foo.cc:38:3: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for'
   memset(h,0,sizeof(h));
   ^~~~~~
/in/foo.cc:43:2: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
  for(int i=2;i<=n+m;i++)
  ^~~
/in/foo.cc:46:3: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for'
   printf("%lld",(ans-ans1)%modd);
   ^~~~~~