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Discussion of Problem 1589. Sokoban

give a configuration, is there O(P) sol to judge it has a sol??
Posted by Shen Yang 13 Jan 2019 12:39
I think the answer is probablye Yes...
Re: give a configuration, is there O(P) sol to judge it has a sol??
Posted by Shen Yang 13 Jan 2019 12:42
I think it is relating to the number of inverse pairs of permuation..