foo.cc: In function 'int main()':
foo.cc:25:6: error: 'inbt' was not declared in this scope
  for(inbt i=0;i<n;i++)
      ^~~~
foo.cc:25:6: note: suggested alternative: 'int'
  for(inbt i=0;i<n;i++)
      ^~~~
      int
foo.cc:25:15: error: 'i' was not declared in this scope
  for(inbt i=0;i<n;i++)
               ^

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