I was trying to do the problem COT2(http://www.spoj.com/problems/COT2/) which is solvable using Mo's Algorithm on trees in less than n*sqrt(n) but couldn't.... Wondering if a solution faster than exists?
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virus_1010 | 2017-02-10 22:41:22 | 80 | ||
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virus_1010 | 2017-02-10 22:06:47 | 227 | Initial revision (published) |
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