From: mgt <mgt@oi-wiki.org>
Date: Sun, 4 Oct 2020 03:12:38 +0000 (+0800)
Subject: Merge pull request #2683 from NachtgeistW/prefix-sum
X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=0b4e527a20604e203d9f208e7e2a1a1fe828a2de;p=oi-wiki%2Fmain.git

Merge pull request #2683 from NachtgeistW/prefix-sum
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0b4e527a20604e203d9f208e7e2a1a1fe828a2de