Update queries in Persistent segment trees

Revision en1, by Badry, 2015-10-28 02:30:16

Hi codeforces I want know if we can handle update queries in Persistent segment trees ... I understand Persistent segment trees but I don't know how to do point update or interval update.to know what i mean consider this known problem http://www.spoj.com/problems/DQUERY/ ... but there is a query to update the element in index i. thanks in advance :)

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en1 English Badry 2015-10-28 02:30:16 403 Initial revision (published)