Timeline for Does any one know what this problem is called?
Current License: CC BY-SA 3.0
2 events
| when toggle format | what | by | license | comment | |
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| Feb 24, 2015 at 22:22 | comment | added | got trolled too much this week |
This uses an alldifferent constraint; there are some survey papers about this, e.g. andrew.cmu.edu/user/vanhoeve/papers/alldiff.pdf It might be found in there (or not).
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| Feb 24, 2015 at 20:18 | history | answered | Yuval Filmus | CC BY-SA 3.0 |