Created
August 19, 2016 04:16
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| def gen(nums, digit) | |
| result = [] | |
| nums.each_with_index do |num, i| | |
| slice = nums[i, digit] | |
| tmp = slice.concat(nums[i + digit]) | |
| result.push(tmp) | |
| end | |
| result | |
| end | |
| gen([0,1,2],1) |
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