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  1. [0,2,3,4,6,7,8,9].combination(3){|x| puts x.join(" ") }
Success #stdin #stdout 0.01s 6400KB
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0 2 3
0 2 4
0 2 6
0 2 7
0 2 8
0 2 9
0 3 4
0 3 6
0 3 7
0 3 8
0 3 9
0 4 6
0 4 7
0 4 8
0 4 9
0 6 7
0 6 8
0 6 9
0 7 8
0 7 9
0 8 9
2 3 4
2 3 6
2 3 7
2 3 8
2 3 9
2 4 6
2 4 7
2 4 8
2 4 9
2 6 7
2 6 8
2 6 9
2 7 8
2 7 9
2 8 9
3 4 6
3 4 7
3 4 8
3 4 9
3 6 7
3 6 8
3 6 9
3 7 8
3 7 9
3 8 9
4 6 7
4 6 8
4 6 9
4 7 8
4 7 9
4 8 9
6 7 8
6 7 9
6 8 9
7 8 9
https://ideone.com/Aag3el
language:
Ruby (ruby 2.5.5)
created:
1 year ago
visibility:
public

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