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Pick a challenge, fire up Vim, and show us what you got.

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$ gem install vimgolf
$ vimgolf setup
$ vimgolf put 5fa95fbdd285680008e41e4b

swap number pairs

Swap the numbers in a bunch of 2-element arrays.

Start file

[2, 1], [5, 4]
[6, 3]
[7, 4]
[8, 2], [12, 11]

End file

[1, 2], [4, 5]
[3, 6]
[4, 7]
[2, 8], [11, 12]

View Diff

1,4c1,4
< [2, 1], [5, 4]
< [6, 3]
< [7, 4]
< [8, 2], [12, 11]
---
> [1, 2], [4, 5]
> [3, 6]
> [4, 7]
> [2, 8], [11, 12]

Solutions by @BlakeTereau:

Created by: @wedesoft Tweet

370 active golfers, 2011 entries

Solutions by @BlakeTereau:

16

#15 - Blake Tereau / @BlakeTereau

12/24/2020 at 07:08PM

17

#>81 - Blake Tereau / @BlakeTereau

12/24/2020 at 07:06PM

18

#>123 - Blake Tereau / @BlakeTereau

12/24/2020 at 07:04PM

20

#>136 - Blake Tereau / @BlakeTereau

12/24/2020 at 07:03PM

21

#>142 - Blake Tereau / @BlakeTereau

12/24/2020 at 07:01PM

22

#>150 - Blake Tereau / @BlakeTereau

12/24/2020 at 07:01PM

23

#>167 - Blake Tereau / @BlakeTereau

12/24/2020 at 07:00PM

24

#>174 - Blake Tereau / @BlakeTereau

12/24/2020 at 06:59PM

28

#>213 - Blake Tereau / @BlakeTereau

12/24/2020 at 06:36PM

40

#>309 - Blake Tereau / @BlakeTereau

12/22/2020 at 09:55PM