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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 @RomanPrivalov:

Created by: @wedesoft Tweet

370 active golfers, 2011 entries

Solutions by @RomanPrivalov:

16

#35 - Roman Privalov / @RomanPrivalov

08/22/2021 at 02:42PM

17

#>92 - Roman Privalov / @RomanPrivalov

08/22/2021 at 02:38PM

18

#>125 - Roman Privalov / @RomanPrivalov

08/22/2021 at 02:27PM

18

#>125 - Roman Privalov / @RomanPrivalov

08/22/2021 at 02:36PM

19

#>134 - Roman Privalov / @RomanPrivalov

08/22/2021 at 02:18PM

19

#>134 - Roman Privalov / @RomanPrivalov

08/22/2021 at 02:25PM

21

#>143 - Roman Privalov / @RomanPrivalov

08/22/2021 at 02:13PM

27

#>204 - Roman Privalov / @RomanPrivalov

08/22/2021 at 02:02PM

28

#>214 - Roman Privalov / @RomanPrivalov

08/22/2021 at 01:56PM

32

#>258 - Roman Privalov / @RomanPrivalov

08/22/2021 at 01:36PM