When I was a kid (read: 15 years ago) our math teacher gave us a puzzle - to count how many zeros are there in decimal representation of 100! (factorial of one hundred). Trailing zeros are trivial (there are quite enough twos, so one just needs to count number of fives, as each five multiplied by two will give a trailing zero; thus there are 24
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Without any particular reason visited all the places where I used to live (well, to rent) on the Eastside. I skipped the one in Bothell, because a) it's far away b) I did not rent, I owned the friggin' place. Short of apartments' names and me nothing apparently changed.