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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 @JohnDoe75830353:

Created by: @wedesoft Tweet

370 active golfers, 2011 entries

Solutions by @JohnDoe75830353:

17

#80 - John Doe / @JohnDoe75830353

12/21/2020 at 01:43AM

18

#>123 - John Doe / @JohnDoe75830353

12/21/2020 at 01:41AM

20

#>136 - John Doe / @JohnDoe75830353

12/21/2020 at 01:39AM

20

#>136 - John Doe / @JohnDoe75830353

12/21/2020 at 01:40AM

21

#>142 - John Doe / @JohnDoe75830353

12/21/2020 at 01:38AM

22

#>150 - John Doe / @JohnDoe75830353

12/21/2020 at 01:35AM

24

#>174 - John Doe / @JohnDoe75830353

12/21/2020 at 01:33AM

25

#>180 - John Doe / @JohnDoe75830353

12/21/2020 at 01:30AM

26

#>187 - John Doe / @JohnDoe75830353

12/21/2020 at 01:24AM

27

#>201 - John Doe / @JohnDoe75830353

12/21/2020 at 01:21AM

28

#>213 - John Doe / @JohnDoe75830353

12/21/2020 at 01:19AM

30

#>225 - John Doe / @JohnDoe75830353

12/21/2020 at 01:17AM

31

#>241 - John Doe / @JohnDoe75830353

12/21/2020 at 01:15AM

32

#>254 - John Doe / @JohnDoe75830353

12/20/2020 at 09:27PM

34

#>273 - John Doe / @JohnDoe75830353

12/20/2020 at 09:24PM

36

#>287 - John Doe / @JohnDoe75830353

12/20/2020 at 09:05PM

38

#>299 - John Doe / @JohnDoe75830353

12/20/2020 at 09:04PM

47

#>331 - John Doe / @JohnDoe75830353

12/20/2020 at 08:45PM

53

#>345 - John Doe / @JohnDoe75830353

12/20/2020 at 08:59PM