**Problem 184**(View Problem) has been revisited here:

problem 184 square version

- Mon Jun 22, 2020 7:33 am
- Forum: Resources
- Topic: Project Euler problem 184 square version
- Replies:
**0** - Views:
**1968**

- Thu Apr 25, 2019 3:21 pm
- Forum: Programming languages
- Topic: BigInt is supported natively in JavaScript by the latest chrome browser
- Replies:
**0** - Views:
**10257**

- Tue Jan 22, 2019 10:46 am
- Forum: Recreational
- Topic: A puzzle
- Replies:
**2** - Views:
**5303**

Thanks for the introduction to RoseCode (and WeChall)!! Well, speaking of WeChall there is a similar challenge that can be solved with pencil and paper but it is really a challenge to solve it that way (I myself had to write some piece of code): WeChall Sudoku Challenge And problem setter says that...

- Mon Jan 21, 2019 1:40 pm
- Forum: Recreational
- Topic: A puzzle
- Replies:
**2** - Views:
**5303**

I was asked this by a friend and he wanted me find a solution only. Working on it by using pencil and paper, I found more than one solutions. So I thought I could turn it into a fun problem. Well I did and released it here: Rosecode problem 314 Seems like finding all the solutions by using pencil an...

- Mon Feb 01, 2016 12:44 pm
- Forum: Number
- Topic: Continued Fractions
- Replies:
**6** - Views:
**11480**

Here's a link to a challenge based on this method for those who might want to give it a try:pj6444 wrote:There are RSA attack methods that use continued fractions. For example: https://en.wikipedia.org/wiki/Wiener%27s_attack

RSA Attack

- Wed Nov 11, 2015 1:01 pm
- Forum: Resources
- Topic: Rosecode math challenges (and more)
- Replies:
**0** - Views:
**7840**

Hi All,

We are a group people adding/solving some math problems also here. I believe we have some interesting problems (near PE quality) in math&programming category.

I'd like to invite you at least to have a look: here

Cheers.

We are a group people adding/solving some math problems also here. I believe we have some interesting problems (near PE quality) in math&programming category.

I'd like to invite you at least to have a look: here

Cheers.

- Wed Aug 05, 2015 8:37 am
- Forum: Recreational
- Topic: Physics site like Project Euler?
- Replies:
**5** - Views:
**6137**

Check this one out:

http://www.right-answer.net/

A substantial percentage of the probems are of that kind.

http://www.right-answer.net/

A substantial percentage of the probems are of that kind.

- Sun Sep 14, 2014 8:05 am
- Forum: Recreational
- Topic: Mathalon Ownership
- Replies:
**13** - Views:
**6103**

I got a mail from Hemant Verma (fameoflight) He wrote : I am working on restoring it. But it might take some time. One week. I had received the same mail but it's almost 4 months since then and there is no indication that it will come back. In the mean time, we have found another meeting place: Sev...

- Sat May 17, 2014 4:53 pm
- Forum: Recreational
- Topic: Mathalon Ownership
- Replies:
**13** - Views:
**6103**

Mathalon seems to be gone. Hemant's attitude is odd.

He doesn't reply to any e-mails. The other day I checked his linkedin profile and the following day he checked mine. So he's alive but not responding to anybody.

He doesn't reply to any e-mails. The other day I checked his linkedin profile and the following day he checked mine. So he's alive but not responding to anybody.

- Wed May 06, 2009 5:05 pm
- Forum: Clarifications on Project Euler Problems
- Topic: Problem 210
- Replies:
**70** - Views:
**26159**

Well, you're absolutely right re: diamond, but you'll see that something subtle happens with regards to forming the triangle. I don't want to take away the joy of discovery from you, but the smallest example that shows the errant behavior starts @ r=24. Do a brute-force of the coordinate space & co...

- Wed May 06, 2009 3:40 pm
- Forum: Clarifications on Project Euler Problems
- Topic: Problem 210
- Replies:
**70** - Views:
**26159**

Well, you're absolutely right re: diamond, but you'll see that something subtle happens with regards to forming the triangle. I don't want to take away the joy of discovery from you, but the smallest example that shows the errant behavior starts @ r=24. Do a brute-force of the coordinate space & co...

- Wed May 06, 2009 1:36 pm
- Forum: Clarifications on Project Euler Problems
- Topic: Problem 210
- Replies:
**70** - Views:
**26159**

What does |x| + |y| ≤ r mean? It should define a diamond shaped area, right? I don't understand what kind of trap did you fall into? I have found a closed formula that seems to work for small number without writing any code, then what happens? I have a feeling from the messages in this thread that t...

- Fri Apr 24, 2009 7:26 am
- Forum: Clarifications on Project Euler Problems
- Topic: Problem 241
- Replies:
**27** - Views:
**9857**

Yes this one seems to be a hard one but there are 10 to 20 problems I spent more time to solve than this one. I had found an effective algo on the first day. I even tried to do it by hand (later I checked that I had found 50% of the numbers by hand) then I switched to coding which took most of my ti...

- Wed Nov 12, 2008 9:53 am
- Forum: Clarifications on Project Euler Problems
- Topic: Problem 198
- Replies:
**75** - Views:
**22046**

This discussion has helped me solve it. I had suspected that I should have included the trivial ones but not sure. After being sure, it was a quick fix.

- Tue Sep 16, 2008 5:13 am
- Forum: Clarifications on Project Euler Problems
- Topic: Problem 195
- Replies:
**16** - Views:
**6088**

You have two problems. Before you turn your attention to making it faster, you should read the problem text once again carefully. You overlooked something there - apart from that, your code is correct (and therefore deleted from your post), albeit very slow. Oh yes. I have read it again. OK. I know...

- Mon Sep 15, 2008 10:50 am
- Forum: Clarifications on Project Euler Problems
- Topic: Problem 195
- Replies:
**16** - Views:
**6088**

Hi, I am also working on this problem but I cannot find T(100)=1234. My brute force attack always gives more results than 1234. For example I am curious if the following findings with a very small one side and 2 comparably much longer sides are included in this number: a=163, b=19927, c=20008 a=165,...