Real Vim ninjas count every keystroke - do you?

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 @mpnmbn:

Created by: @wedesoft Tweet

370 active golfers, 2011 entries

Solutions by @mpnmbn:

16

#46 - math is what I hate / @mpnmbn

09/20/2022 at 06:22PM

17

#>97 - math is what I hate / @mpnmbn

09/20/2022 at 06:21PM

18

#>129 - math is what I hate / @mpnmbn

09/20/2022 at 06:21PM

19

#>134 - math is what I hate / @mpnmbn

09/20/2022 at 06:20PM

20

#>138 - math is what I hate / @mpnmbn

09/20/2022 at 06:20PM

21

#>145 - math is what I hate / @mpnmbn

09/20/2022 at 06:20PM

22

#>156 - math is what I hate / @mpnmbn

09/20/2022 at 06:19PM

23

#>170 - math is what I hate / @mpnmbn

09/20/2022 at 06:19PM

24

#>177 - math is what I hate / @mpnmbn

09/20/2022 at 06:18PM

25

#>183 - math is what I hate / @mpnmbn

09/20/2022 at 06:18PM

26

#>192 - math is what I hate / @mpnmbn

09/20/2022 at 06:16PM

27

#>207 - math is what I hate / @mpnmbn

09/20/2022 at 06:15PM

30

#>235 - math is what I hate / @mpnmbn

09/20/2022 at 06:14PM

31

#>242 - math is what I hate / @mpnmbn

09/20/2022 at 06:13PM

32

#>261 - math is what I hate / @mpnmbn

09/20/2022 at 06:11PM

51

#>340 - math is what I hate / @mpnmbn

03/13/2022 at 10:46AM