We will hold <a href="https://atcoder.jp/contests/ahc064">JR WEST and ALGO ARTIS Programming Contest (AtCoder Heuristic Contest 064)</a>. - Contest URL: https://atcoder.jp/contests/ahc064 - Start Time: http://www.timeanddate.com/worldclock/fixedtime.html?iso=20260426T1500&p1=248 - Duration: 4 hours - Writer: <a href="https://atcoder.jp/users/ryomac1?contestType=heuristic" class="username"><span class="user-blue">ryomac1</span></a>, <img src="//img.atcoder.jp/assets/icon/crown_silver.png"><a href="https://atcoder.jp/users/Jirotech?contestType=heuristic" class="username"><span class="user-red">Jirotech</span></a>, <img src="//img.atcoder.jp/assets/icon/crown_silver.png"><a href="https://atcoder.jp/users/yochan?contestType=heuristic" class="username"><span class="user-red">yochan</span></a>, <img src="//img.atcoder.jp/assets/icon/crown_silver.png"><a href="https://atcoder.jp/users/yunix?contestType=heuristic" class="username"><span class="user-orange">yunix</span></a> - Rated range: All (Heuristic Rating) This contest is one of the qualifying contests for <a href="https://atcoder.jp/posts/1636">AWTF 2027</a>. We are looking forward to your participation!

We will hold <a href="https://atcoder.jp/contests/abc455">Ｓｋｙ Inc, Programming Contest 2026 (AtCoder Beginner Contest 455)</a>. - Contest URL: https://atcoder.jp/contests/abc455 - Start Time: http://www.timeanddate.com/worldclock/fixedtime.html?iso=20260425T2100&p1=248 - Duration: 100 minutes - Writer: <img src="//img.atcoder.jp/assets/icon/crown_bronze.png"> <a href="/users/cn449" class="username"><span class="user-red">cn449</span></a>, <img src="//img.atcoder.jp/assets/user/user-orange-1.png" class="user-rating-stage-m"><a href="/users/vwxyz" class="username"><span class="user-orange">vwxyz</span></a>, <img src="//img.atcoder.jp/assets/user/user-orange-3.png" class="user-rating-stage-m"><a href="/users/sheyasutaka" class="username"><span class="user-orange">sheyasutaka</span></a> - Tester: <img src="//img.atcoder.jp/assets/user/user-yellow-4.png" class="user-rating-stage-m"><a href="/users/MMNMM" class="username"><span class="user-yellow">MMNMM</span></a>, <img src="//img.atcoder.jp/assets/user/user-orange-1.png" class="user-rating-stage-m"><a href="/users/physics0523" class="username"><span class="user-orange">physics0523</span></a> - Rated range: ~ 1999 - The point values: 100-200-300-400-450-525-625 We are looking forward to your participation!

We will hold <a href="https://atcoder.jp/contests/abc454">Keysight Technologies Programming Contest（AtCoder Beginner Contest 454）</a>. - Contest URL: https://atcoder.jp/contests/abc454 - Start Time: http://www.timeanddate.com/worldclock/fixedtime.html?iso=20260418T2100&p1=248 - Duration: 100 minutes - Writer: <img src="//img.atcoder.jp/assets/user/user-orange-1.png" class="user-rating-stage-m"><a href="/users/sounansya" class="username"><span class="user-orange">sounansya</span></a>, <img src="//img.atcoder.jp/assets/icon/crown_bronze.png"> <a href="/users/Nyaan" class="username"><span class="user-red">Nyaan</span></a> - Tester: <img src="//img.atcoder.jp/assets/user/user-orange-3.png" class="user-rating-stage-m"><a href="/users/sheyasutaka" class="username"><span class="user-orange">sheyasutaka</span></a>, <img src="//img.atcoder.jp/assets/user/user-orange-2.png" class="user-rating-stage-m"><a href="/users/harurun4635" class="username"><span class="user-orange">harurun4635</span></a> - Rated range: ~ 1999 - The point values: 100-200-300-425-450-525-625 We are looking forward to your participation!

We will hold <a href="https://atcoder.jp/contests/abc453">AtCoder Beginner Contest 453</a>. - Contest URL: https://atcoder.jp/contests/abc453 - Start Time: http://www.timeanddate.com/worldclock/fixedtime.html?iso=20260411T2100&p1=248 - Duration: 100 minutes - Writer: <img src="//img.atcoder.jp/assets/user/user-orange-1.png" class="user-rating-stage-m"><a href="/users/physics0523" class="username"><span class="user-orange">physics0523</span></a>, <img src="//img.atcoder.jp/assets/user/user-orange-4.png" class="user-rating-stage-m"><a href="/users/mechanicalpenciI" class="username"><span class="user-orange">mechanicalpenciI</span></a>, <img src="//img.atcoder.jp/assets/user/user-orange-1.png" class="user-rating-stage-m"><a href="/users/KumaTachiRen" class="username"><span class="user-orange">KumaTachiRen</span></a>, <img src="//img.atcoder.jp/assets/user/user-orange-1.png" class="user-rating-stage-m"><a href="/users/kyopro_friends" class="username"><span class="user-orange">kyopro_friends</span></a>, <a href="/users/blackyuki" class="username"><span class="user-red">blackyuki</span></a> - Tester: <img src="//img.atcoder.jp/assets/user/user-orange-1.png" class="user-rating-stage-m"><a href="/users/kyopro_friends" class="username"><span class="user-orange">kyopro_friends</span></a>, <img src="//img.atcoder.jp/assets/user/user-orange-1.png" class="user-rating-stage-m"><a href="/users/KumaTachiRen" class="username"><span class="user-orange">KumaTachiRen</span></a> - Rated range: ~ 1999 - The point values: 100-200-300-425-475-550-600 We are looking forward to your participation!

We will hold <a href="https://atcoder.jp/contests/arc217">AtCoder Regular Contest 217</a>. - Contest URL: https://atcoder.jp/contests/arc217 - Start Time: http://www.timeanddate.com/worldclock/fixedtime.html?iso=20260405T2100&p1=248 - Duration: 120 minutes - Writer: <img src="//img.atcoder.jp/assets/icon/crown_bronze.png"> <a href="/users/nok0" class="username"><span class="user-red">nok0</span></a>, <img src="//img.atcoder.jp/assets/user/user-orange-1.png" class="user-rating-stage-m"><a href="/users/sounansya" class="username"><span class="user-orange">sounansya</span></a> - Tester: <img src="//img.atcoder.jp/assets/icon/crown_bronze.png"> <a href="/users/maspy" class="username"><span class="user-red">maspy</span></a> - Rated range: 1200 ~ 2799 - Point Values: 500-700-700-700-900 We are looking forward to your participation!