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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 @AlexDewiWatson:

Created by: @wedesoft Tweet

370 active golfers, 2011 entries

Solutions by @AlexDewiWatson:

17

#74 - Alex Watson / @AlexDewiWatson

11/29/2020 at 05:52PM

18

#>123 - Alex Watson / @AlexDewiWatson

11/29/2020 at 05:46PM

20

#>135 - Alex Watson / @AlexDewiWatson

11/29/2020 at 05:40PM

22

#>147 - Alex Watson / @AlexDewiWatson

11/29/2020 at 05:27PM

23

#>164 - Alex Watson / @AlexDewiWatson

11/29/2020 at 05:26PM

26

#>187 - Alex Watson / @AlexDewiWatson

11/29/2020 at 05:17PM

28

#>212 - Alex Watson / @AlexDewiWatson

11/29/2020 at 05:16PM

30

#>222 - Alex Watson / @AlexDewiWatson

11/29/2020 at 05:14PM

56

#>347 - Alex Watson / @AlexDewiWatson

11/29/2020 at 05:07PM