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22-11-22 22:11:22

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Re: 22-11-22 22:11:22

#32

Unix time 1666666666 happened last month, on October 25th 02:57:46 UTC. A closer "round" number will be 1670000000, happening next month on December 2nd 16:53:20 UTC. But for 1700000000 we'll have to wait until next year, November 14th 22:13:20 2023 UTC.

1666666666 was special, though. A beast of a number, no, three beasts of a number.

Am I correct that the 32nd prime is 1,453,168,141, and the 33rd prime is 2,300,942,549?

I've noticed good times like that getting fewer and farther between.

Re: 22-11-22 22:11:22

#33

Earlier quoted context omitted.

or 11-11-11 11:11:11 or 01-01-01 10:10:10 Interview question: write a program to list them all!

> write a program to list them all! Me: Is it OK if it doesn't print until it's done? Interviewer: Uh, sure, why not? Me: while(1){} Me: Finished. This produces the exact desired output of the program you specified. Interviewer: GTFO.

while(1) {} is the universal program to do anything. You can then optimise performance later.

Interestingly in Haskell the only pure program of type variable “a” where a means any type at all is the one that never quits:

    myProg: a

    myProg = myProg
Which amounts to the same thing: it can do anything - produce any type - but it takes literally forever.

Re: 22-11-22 22:11:22

#38
post #8

Earlier quoted context omitted.

or 11-11-11 11:11:11 or 01-01-01 10:10:10 Interview question: write a program to list them all!

Sounds like a great Code Golf contest. ruby -e 'require"date";a=DateTime.new(0,1,1,0,0,0);(0..4e9).each{|d|b=(a+Rational(d,86400));c=b.strftime("%y%m%d%H%M%S");puts b.strftime("%y-%m-%d %H:%M:%S")if c==c.reverse}' About the most inefficient anyone could make it, but I think it works!

PowerShell 7, 108 chars

  0..2e9|%{date(date 0).AddSeconds($_)-f 'yy-MM-dd HH:mm:ss'}|?{$_-match'(.)(.)-(.)(.)-(.)(.) \6\5:\4\3:\2\1'}

Re: 22-11-22 22:11:22

#40

Just realized that on 22-11–22, 22:11:22 I had exactly 212 HN karma points - surely the Universe is trying to say something…

yup, you've hit your peak. it's all downhill from here :-D

Oh My Golly, guys - it was the announcement of the Coming of chatGPT!
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