Created
June 18, 2012 21:25
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9C4
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| (1..9).each do |i1| | |
| (2..9).each do |i2| | |
| (3..9).each do |i3| | |
| (4..9).each do |i4| | |
| if i1 < i2 && i2 < i3 && i3 < i4 | |
| print("#{i1}#{i2}#{i3}#{i4}\n") | |
| end | |
| end | |
| end | |
| end | |
| end |
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| ruby 9C4.rb | wc -l #=> 126 |
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