Am I do something wrong

[Eric Suen]

Hi,

  I write a very simple program, two version,
one is write in D, and others is using C, the D version
is extreme slow, the D version using 450 ms, but C version
using 0 ms, can anybody tell me is there anything wrong
in the code?

Here is the code:
http://files-upload.com/files/499789/test.zip

Thanks

Eric