Unofficial editorial for Codeforces Round #171 (Div. 2)
source link: http://codeforces.com/blog/entry/95148
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By Maksim1744, 4 months ago,
Continuing with the theme of absent editorials for old rounds, here is an editorial for Codeforces Round #171 (Div. 2). Even though there is an official editorial, it is only in russian and doesn't have solution for the last problem.
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