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Timeline for Restricted accumulation of values

Current License: CC BY-SA 3.0

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when toggle format what by license comment
Nov 30, 2012 at 10:04 history edited image_doctor CC BY-SA 3.0
update methods and timings
Nov 30, 2012 at 9:56 comment added image_doctor @whuber Yes indeed, thank you for noting that :) The second method, I think, came from an earlier version of the answer from rm -rf which has now been updated in light of comments from Simon Woods which I'd missed. I'll update my answer accordingly.
Nov 29, 2012 at 21:36 comment added whuber The second method is very fast but is correct only assuming the cumulative sums remain positive forever after they first turn positive.
Nov 1, 2012 at 23:16 history answered image_doctor CC BY-SA 3.0