cp-algorithms
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 <ul class="metadata page-metadata" data-bi-name="page info" lang="en-us" dir="ltr">
 
   Last update:
-  <span class="git-revision-date-localized-plugin git-revision-date-localized-plugin-date" title="April 15, 2025 02:32:08 UTC">April 15, 2025</span>&emsp;
+  <span class="git-revision-date-localized-plugin git-revision-date-localized-plugin-date" title="November 19, 2025 12:44:51 UTC">November 19, 2025</span>&emsp;
 
 <!-- Tags -->
 
@@ -8235,11 +8253,12 @@ <h2 id="practice-problems">Practice problems<a class="headerlink" href="#practic
 <li><a href="https://codeforces.com/contest/1254/problem/D">Codeforces - Tree Queries</a></li>
 <li><a href="https://codeforces.com/contest/117/problem/E">Codeforces - Tree or not Tree</a></li>
 <li><a href="https://codeforces.com/contest/1017/problem/G">Codeforces - The Tree</a></li>
+<li><a href="https://oj.uz/problem/view/BOI18_minmaxtree">Balkan OI 2018 - Min-max tree</a></li>
 </ul>
 
 <ul class="metadata page-metadata" data-bi-name="page info" lang="en-us" dir="ltr">
   <span class="contributors-text">Contributors:</span>
-  <ul class="contributors" data-bi-name="contributors"><li><a href="https://github.com/meooow25" title="meooow25" data-bi-name="contributorprofile" target="_blank">meooow25</a> (86.98%)</li><li><a href="https://github.com/adamant-pwn" title="adamant-pwn" data-bi-name="contributorprofile" target="_blank">adamant-pwn</a> (3.12%)</li><li><a href="https://github.com/Electron1997" title="Electron1997" data-bi-name="contributorprofile" target="_blank">Electron1997</a> (2.6%)</li><li><a href="https://github.com/jakobkogler" title="jakobkogler" data-bi-name="contributorprofile" target="_blank">jakobkogler</a> (2.6%)</li><li><a href="https://github.com/ankitsangwan1999" title="ankitsangwan1999" data-bi-name="contributorprofile" target="_blank">ankitsangwan1999</a> (2.08%)</li><li><a href="https://github.com/mhayter" title="mhayter" data-bi-name="contributorprofile" target="_blank">mhayter</a> (1.56%)</li><li><a href="https://github.com/mjh316" title="mjh316" data-bi-name="contributorprofile" target="_blank">mjh316</a> (0.52%)</li><li><a href="https://github.com/tanmay-sinha" title="tanmay-sinha" data-bi-name="contributorprofile" target="_blank">tanmay-sinha</a> (0.52%)</li></ul>
+  <ul class="contributors" data-bi-name="contributors"><li><a href="https://github.com/meooow25" title="meooow25" data-bi-name="contributorprofile" target="_blank">meooow25</a> (86.53%)</li><li><a href="https://github.com/adamant-pwn" title="adamant-pwn" data-bi-name="contributorprofile" target="_blank">adamant-pwn</a> (3.11%)</li><li><a href="https://github.com/Electron1997" title="Electron1997" data-bi-name="contributorprofile" target="_blank">Electron1997</a> (2.59%)</li><li><a href="https://github.com/jakobkogler" title="jakobkogler" data-bi-name="contributorprofile" target="_blank">jakobkogler</a> (2.59%)</li><li><a href="https://github.com/ankitsangwan1999" title="ankitsangwan1999" data-bi-name="contributorprofile" target="_blank">ankitsangwan1999</a> (2.07%)</li><li><a href="https://github.com/mhayter" title="mhayter" data-bi-name="contributorprofile" target="_blank">mhayter</a> (1.55%)</li><li><a href="https://github.com/Hostek" title="Hostek" data-bi-name="contributorprofile" target="_blank">Hostek</a> (0.52%)</li><li><a href="https://github.com/mjh316" title="mjh316" data-bi-name="contributorprofile" target="_blank">mjh316</a> (0.52%)</li><li><a href="https://github.com/tanmay-sinha" title="tanmay-sinha" data-bi-name="contributorprofile" target="_blank">tanmay-sinha</a> (0.52%)</li></ul>
 </ul>
 
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