## Search found 68 matches

Sun Apr 25, 2021 9:16 am
Forum: Clarifications on Project Euler Problems
Topic: Problem 755
Replies: 2
Views: 295

### Re: Problem 755

So that's my question: does S(1) = 1 or 2? And by extension, can lone Fibonacci terms form sums? E.g., does f(13) count "13" as one of the sums? Yes, $13$ counts towards $f(13)$: a sum is permitted to have a single term. $f(1)=1$ because the single term $1$ qualifies as a sum. $f(0)=1$ wa...
Sat Apr 24, 2021 9:43 am
Forum: Clarifications on Project Euler Problems
Topic: Problem 084
Replies: 32
Views: 15365

### Re: Problem 084

[...] I ask because, under Pattern1, the intermediate squares are part of the final probability distribution, whereas under Pattern2, they are not. I have merged this with the existing thread for Problem 084. Pattern 1 is closer to the truth. On rolling a double that is not the third consecutive, t...
Sat Feb 27, 2021 9:16 pm
Forum: Recreational
Replies: 7
Views: 5773

### Re: Publishing the Solution (About-Site)

Hello, First of all, I wanted to sincerely apologize, for until today I had public GitHub repositories showcasing some project euler solutions. I was using these repositories mainly as a means to showcase my coding skills to potential employers. What I have done now is made the repositories private...
Sun Nov 22, 2020 2:35 pm
Forum: News, Suggestions, and FAQ
Topic: projecteuler.chat unfindable
Replies: 2
Views: 1195

### Re: projecteuler.chat unfindable

There is a link to this .chat forum on the main site's "About" page, in the section "How do I access the alternative forum?".
(You have to be logged in to see it.)
Sun Oct 18, 2020 5:13 pm
Forum: News, Suggestions, and FAQ
Topic: Where can I see which Awards I earned?
Replies: 1
Views: 776

### Re: Where can I see which Awards I earned?

Please help me, I don't find which Awards I've earned, I only see how many I earned in "Friends". It can be found under your "Progress" page. From there you will see five sub-tabs: "Problems", "Levels", " Awards ", "Posts", "History&q...
Mon Sep 28, 2020 11:58 am
Forum: News, Suggestions, and FAQ
Topic: Error in solution to problem 8
Replies: 1
Views: 654

### Re: Error in solution to problem 8

Hi hbhatia, Welcome to Project Euler! I have verified that the answer on the site for 8 is indeed correct. Note also that it has been solved by 351674 people already. If you'd like to send me a private message with which 13 adjacent digits of the 1000-digit number give rise to your answer, I'll take...
Sun Sep 20, 2020 1:40 pm
Forum: Recreational
Topic: Not appearing on the fastest solver's list
Replies: 3
Views: 1423

### Re: Not appearing on the fastest solver's list

NaoisTheGuardian wrote: Sun Sep 20, 2020 12:35 pm Ah, thank you! I'll just have to try and get on the next problem's list haha
No worries! It's applied retroactively, so you are now appearing in the list for 726 at 52nd.
Sun Sep 20, 2020 12:29 pm
Forum: Recreational
Topic: Not appearing on the fastest solver's list
Replies: 3
Views: 1423

### Re: Not appearing on the fastest solver's list

Hi. I recently completed problem 726. I was 51st or 52nd to solve it, but my username hasn't appeared on the list. I can't think of any reason this might have happened other than that I am currently not yet level 1? Anyway, thanks in advance. Welcome to Project Euler! In order to appear in the &quo...
Sun Aug 30, 2020 12:18 pm
Forum: Clarifications on Project Euler Problems
Topic: Problem 100
Replies: 2
Views: 1078

### Re: Problem 100

Yasha13 wrote: Sat Aug 29, 2020 11:19 pm I am sure (99.99%) that solved correctly Problem 100.
But the system said that my answer is wrong.
Could someone let me know if the system recognizes his\her solution as correct?
Thank you.
I have verified that the system accepts the correct answer for this one.
Fri Jul 24, 2020 8:26 am
Forum: News, Suggestions, and FAQ
Topic: Errors/Warnings/Bugs
Replies: 646
Views: 225919

### Re: Errors/Warnings/Bugs

Hi, I am having trouble opening the thread for Problem 497. Chrome would load a few posts but when I scrolled down further, it became just a blank screen. Maths formulas were not rendered and code sections would not open. Thank you for reporting this. I cannot load the thread either: the Chrome tab...
Fri May 22, 2020 9:33 am
Forum: Clarifications on Project Euler Problems
Topic: Problem 298
Replies: 18
Views: 9170

### Re: Problem 298

Thanks for flagging. This is now fixed.
Thu Apr 09, 2020 6:29 am
Forum: Clarifications on Project Euler Problems
Topic: Problem 618
Replies: 8
Views: 4887

### Re: Problem 618 - optimization

I'm feeling stuck on this problem and want to learn more with some help. I have edited this post to remove potential spoilers, and moved it to the already existing topic for Problem 618 - see the red banner text at the top of this page. Good luck solving the problem! If successful, you'll be able t...
Sat Feb 15, 2020 4:37 pm
Forum: Clarifications on Project Euler Problems
Topic: Problem 023
Replies: 56
Views: 28767

### Re: Problem 023

Hello guys, I started to solve Project Euler problems recently, I wrote below code to prevent adding duplicate items to collection but it returns incorrect answer at the end. I have merged your post with the existing topic for Problem 23. Please do not post code (or other aids to solving) in this f...
Wed Feb 12, 2020 8:03 am
Forum: Clarifications on Project Euler Problems
Topic: Problem 610
Replies: 18
Views: 9536

### Re: Problem 610

The question states The rules do not place any restriction on the number of occurrences of M, so all integers have a valid representation. but doesn't explain how to get negative integers, and I got the tick with an answer which assumes that negative integers don't have a valid representation. I th...
Tue Jan 21, 2020 9:24 am
Forum: Clarifications on Project Euler Problems
Topic: Problem 597
Replies: 3
Views: 1973

### Re: Problem 597

aTree wrote: Tue Jan 21, 2020 7:00 am Is this log base 10 or base e?
You can take it to be base $e$ ... but actually it doesn't matter because a different base would just scale all speeds by the same constant without affecting the sequence of events.
Sat Jan 04, 2020 9:04 am
Forum: Clarifications on Project Euler Problems
Topic: Problem 684
Replies: 16
Views: 7820

### Re: Problem 684

Do you have to find the smallest digit sum for each term of the fibonacci sequence from the 2nd to the 90th? No, that is not correct. $S(n)$ is not digitsum. Instead, $s(n)$ is the inverse digit sum, so $\mathrm{digitsum}(s(n)) = n$. Note also that $S$ is the sum of $s$. So, (given a Fibonacci numb...
Mon Nov 18, 2019 7:04 pm
Forum: Clarifications on Project Euler Problems
Topic: Problem 688
Replies: 9
Views: 4163

### Re: Problem 688

vamsikal3 wrote: Mon Nov 18, 2019 6:07 am The problem text reads: It is impossible to divide 10 into 5 non-empty piles and hence f(10,5)=0.
Thank you for pointing this out. The wording has now been amended.
Mon Nov 18, 2019 7:40 am
Forum: Clarifications on Project Euler Problems
Topic: Problem 689
Replies: 3
Views: 2275

### Re: Problem 689

Your values of $f$ are correct (albeit with the interpretation of the $\pi^2/6$ value as a limiting case, because $f(x)$ is only defined if $x$ is strictly less than 1).

Fri Oct 18, 2019 5:34 pm
Forum: Clarifications on Project Euler Problems
Topic: Problem 679
Replies: 2
Views: 1895

### Re: Problem 679

LangerJan wrote: Fri Oct 18, 2019 10:43 am Problem 679 (View Problem)

Quick question about counting keywords: Does "AREAREA" count as two occurrences of "AREA"?
Yes, it counts as two occurrences.
Thu Oct 03, 2019 7:25 am
Forum: Clarifications on Project Euler Problems
Topic: Problem 570
Replies: 1
Views: 1364

### Re: Problem 570

voltara wrote: Thu Oct 03, 2019 2:03 am The problem description for 570 contains a broken image; the filename is misspelled "p570-slowflakes.png" instead of "p570-snowflakes.png".
Thank you for letting us know. The broken image has now been fixed.