We will hold <a href="https://atcoder.jp/contests/ahc058">ALGO ARTIS Programming Contest 2025 December（AtCoder Heuristic Contest 058）</a>. - Contest URL: https://atcoder.jp/contests/ahc058 - Start Time: http://www.timeanddate.com/worldclock/fixedtime.html?iso=20251214T1500&p1=248 - Duration: 4 hours - Writer: <img src="//img.atcoder.jp/assets/icon/crown_silver.png"> <a href="https://atcoder.jp/users/itigo?contestType=heuristic" class="username"><span class="user-red">itigo</span></a> - Rated range: All (Heuristic Rating) This contest is one of the qualifying contests for <a href="https://atcoder.jp/posts/1394">AWTF 2026</a>. We are looking forward to your participation!