Timeline for Is this number a factorial?
Current License: CC BY-SA 4.0
14 events
| when toggle format | what | by | license | comment | |
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| Jun 17, 2020 at 9:04 | history | edited | Community Bot |
Commonmark migration
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| Jul 16, 2019 at 14:47 | comment | added | user41805 | @EriktheOutgolfer Thanks, updated. | |
| Jul 16, 2019 at 14:46 | history | edited | user41805 | CC BY-SA 4.0 |
golfeeed
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| Jan 25, 2019 at 7:12 | comment | added | Adám | @EriktheOutgolfer How didn't anyone think of that. It is pretty obvious! | |
| Jan 23, 2019 at 21:39 | comment | added | Erik the Outgolfer |
I think ×\ can be !.
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| May 18, 2018 at 18:14 | history | edited | user41805 | CC BY-SA 4.0 |
golfino [sic]
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| May 22, 2017 at 6:02 | comment | added | Adám |
Notes: AGL will save you a byte; ⊢∊×\ä⍳. The "correct" (but longer) solution would be 0=1|!⍣¯1; "Is the inverse factorial an integer?"
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| May 21, 2017 at 7:57 | comment | added | user41805 |
@Arc676 My solution is a train and you call it like so: (⊢∊(×/⍳)) right_argument as you can see in the TIO link. And the ⊢ refers to the right argument.
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| May 21, 2017 at 2:15 | comment | added | Arc676 |
One extra byte in GNU APL 1.2 N∊×\⍳N←⎕ How does this take an argument? I don't see n anywhere. Is this a Dyalog-specific thing?
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| May 20, 2017 at 12:32 | comment | added | user41805 | @LeakyNun Fixed | |
| May 20, 2017 at 12:32 | history | edited | user41805 | CC BY-SA 3.0 |
added 15 characters in body
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| May 20, 2017 at 12:32 | comment | added | Leaky Nun | Cumulative sum? | |
| May 20, 2017 at 10:34 | history | edited | user41805 | CC BY-SA 3.0 |
added 268 characters in body
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| May 20, 2017 at 10:21 | history | answered | user41805 | CC BY-SA 3.0 |