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computers / comp.os.linux.advocacy / OT: "Congratulations, the answer you gave to problem 145 is correct."

SubjectAuthor
* OT: "Congratulations, the answer you gave to problem 145 is correct."DFS
`* Re: OT: "Congratulations, the answer you gave to problem 145 is correct."Diego Garcia
 `- Re: OT: "Congratulations, the answer you gave to problem 145 is correct."DFS

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OT: "Congratulations, the answer you gave to problem 145 is correct."

<ushrk4$2c2o6$1@dont-email.me>

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From: nospam@dfs.com (DFS)
Newsgroups: comp.os.linux.advocacy
Subject: OT: "Congratulations, the answer you gave to problem 145 is correct."
Date: Sat, 9 Mar 2024 09:27:18 -0500
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 by: DFS - Sat, 9 Mar 2024 14:27 UTC

"Congratulations, the answer you gave to problem 145 is correct.

The public tables currently show that this problem has been solved by
17630 members.

This problem has a difficulty rating of 20%. The highest difficulty
rating you have solved so far is 75%."

#------------------------------------------------------------------------
# # https://projecteuler.net/problem=145
# Reversible Numbers
# Problem 145
# Some positive integers have the property that the sum n + reverse(n)
# consists entirely of odd (decimal) digits. For instance, 36+63 = 999
# and 409+904=1313.
# We will call such numbers reversible. Leading zeroes are not allowed
# in either n or reverse(n)
# # There are 120 reversible numbers below one-thousand.
# # How many reversible numbers are there below one-billion?
# #------------------------------------------------------------------------

In the spirit of ProjectEuler, I'm not publishing the 10 lines of code
or the answer.

$ python reversible_numbers.py 1,000
120 reversibles found in 0.00s

$ python reversible_numbers.py 10,000,000
68720 reversibles found in 4.86s

$ python reversible_numbers.py 100,000,000
N reversibles found in 49.40s
write python code to find out!

$ python reversible_numbers.py 1,000,000,000
N reversibles found in 485.73s
write python code to find out!

Re: OT: "Congratulations, the answer you gave to problem 145 is correct."

<17bb2e6820c8c607$1990$3078224$802601b3@news.usenetexpress.com>

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From: dg@chaos.rocks (Diego Garcia)
Subject: Re: OT: "Congratulations, the answer you gave to problem 145 is correct."
Newsgroups: comp.os.linux.advocacy
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 by: Diego Garcia - Sat, 9 Mar 2024 19:11 UTC

On Sat, 9 Mar 2024 09:27:18 -0500, DFS wrote:

> # Problem 145
> # Some positive integers have the property that the sum n + reverse(n)
> # consists entirely of odd (decimal) digits. For instance, 36+63 = 999
> # and 409+904=1313.
>

Pfffffffft! Total bullshit.

This is just another string manipulation problem in disguise.

It embodies no number theoretic concepts. None. It's a kindergarten
exercise.

In contrast, problem 26 is a definite number theoretic problem. The
concepts involved, like Euler's Totient function, are at the graduate level.

But I suppose that all solutions given to #26 involved bullshit brute force --
except for MINE.

Haaaaaaa, ha, ha, ha, ha, ha, ha, ha, ha, ha, ha, ha!

Hail Linux!

Hail GNU and the FSF!

Hail Stallman!

Re: OT: "Congratulations, the answer you gave to problem 145 is correct."

<usim5d$2hls6$4@dont-email.me>

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From: nospam@dfs.com (DFS)
Newsgroups: comp.os.linux.advocacy
Subject: Re: OT: "Congratulations, the answer you gave to problem 145 is
correct."
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 by: DFS - Sat, 9 Mar 2024 22:00 UTC

On 3/9/2024 2:11 PM, Lonely Larry Piet wrote:

> On Sat, 9 Mar 2024 09:27:18 -0500, DFS wrote:
>
>> # Problem 145
>> # Some positive integers have the property that the sum n + reverse(n)
>> # consists entirely of odd (decimal) digits. For instance, 36+63 = 999
>> # and 409+904=1313.
>>
>
> Pfffffffft! Total bullshit.
>
> This is just another string manipulation problem in disguise.

Meaning it's another bit of code you're not competent to write.

> It embodies no number theoretic concepts. None. It's a kindergarten
> exercise.

And yet you couldn't code it.

> In contrast, problem 26 is a definite number theoretic problem. The
> concepts involved, like Euler's Totient function, are at the graduate level.
>
> But I suppose that all solutions given to #26 involved bullshit brute force --
> except for MINE.

YOU didn't solve it, clown. Maxima did.

It's just you playing with your lego blocks again.

> Haaaaaaa, ha, ha, ha, ha, ha, ha, ha, ha, ha, ha, ha!
>
> Hail Linux!
>
> Hail GNU and the FSF!
>
> Hail Stallman!

Hew GuhNoo
Curse the FSF
Incarcerate Stallman

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