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  1. [0,1,2,3,5,6,7,8].combination(4){|x| puts x.join(" ") }
Success #stdin #stdout 0.01s 8012KB
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0 1 2 3
0 1 2 5
0 1 2 6
0 1 2 7
0 1 2 8
0 1 3 5
0 1 3 6
0 1 3 7
0 1 3 8
0 1 5 6
0 1 5 7
0 1 5 8
0 1 6 7
0 1 6 8
0 1 7 8
0 2 3 5
0 2 3 6
0 2 3 7
0 2 3 8
0 2 5 6
0 2 5 7
0 2 5 8
0 2 6 7
0 2 6 8
0 2 7 8
0 3 5 6
0 3 5 7
0 3 5 8
0 3 6 7
0 3 6 8
0 3 7 8
0 5 6 7
0 5 6 8
0 5 7 8
0 6 7 8
1 2 3 5
1 2 3 6
1 2 3 7
1 2 3 8
1 2 5 6
1 2 5 7
1 2 5 8
1 2 6 7
1 2 6 8
1 2 7 8
1 3 5 6
1 3 5 7
1 3 5 8
1 3 6 7
1 3 6 8
1 3 7 8
1 5 6 7
1 5 6 8
1 5 7 8
1 6 7 8
2 3 5 6
2 3 5 7
2 3 5 8
2 3 6 7
2 3 6 8
2 3 7 8
2 5 6 7
2 5 6 8
2 5 7 8
2 6 7 8
3 5 6 7
3 5 6 8
3 5 7 8
3 6 7 8
5 6 7 8
https://ideone.com/BxpppS
language:
Ruby (ruby 2.5.5)
created:
1 day ago
visibility:
public

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