From: Ir1dXD <sirius.caffrey@gmail.com>
Date: Sat, 24 Nov 2018 08:49:10 +0000 (+0800)
Subject: Merge pull request #791 from ChungZH/patch-1
X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=b42efbc12e757750ce4ecf41285563e284d5bbf0;p=oi-wiki%2Fmain.git

Merge pull request #791 from ChungZH/patch-1

Update prefix-sum.md
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b42efbc12e757750ce4ecf41285563e284d5bbf0