Created
May 10, 2013 19:10
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zerosum
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| def zerosum(arr,size=4) | |
| arr.permutation(size).to_a.each do |a| | |
| if a.inject(:+) == 0 | |
| p a.inspect | |
| break | |
| end | |
| end | |
| end | |
| zerosum([2,3,5,6,7,8,9,1,2,3,-1,-11,44,-1,0,1,1],5) |
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