Created
August 8, 2010 16:55
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| def pick(n, x) | |
| raise "impossible" if x > n | |
| return [n] if x == 1 | |
| return [1] * x if x == n | |
| choice = rand(n-x+1) | |
| [ choice + 1 ] + pick(n - choice - 1, x - 1) | |
| end |
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