We will hold <a href="https://atcoder.jp/contests/abc472">AtCoder Beginner Contest 472</a>. - Contest URL: https://atcoder.jp/contests/abc472 - Start Time: http://www.timeanddate.com/worldclock/fixedtime.html?iso=20260822T2100&p1=248 - Duration: 100 minutes - Writer: <img src="//img.atcoder.jp/assets/icon/crown_bronze.png"> <a href="/users/harurun4635" class="username"><span class="user-red">harurun4635</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-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-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/icon/crown_bronze.png"> <a href="/users/cn449" class="username"><span class="user-red">cn449</span></a> - Rated range: ~ 1999 - The point values: 100-200-300-400-450-525-600 We are looking forward to your participation!

We will hold <a href="https://atcoder.jp/contests/arc227">AtCoder Regular Contest 227</a>. - Contest URL: https://atcoder.jp/contests/arc227 - Start Time: http://www.timeanddate.com/worldclock/fixedtime.html?iso=20260816T2100&p1=248 - Duration: 120 minutes - Writer: <img src="//img.atcoder.jp/assets/icon/crown_bronze.png"> <a href="/users/yosupo" class="username"><span class="user-red">yosupo</span></a> - Tester: <img src="//img.atcoder.jp/assets/user/user-orange-4.png" class="user-rating-stage-m"><a href="/users/Nyaan" class="username"><span class="user-orange">Nyaan</span></a>, <img src="//img.atcoder.jp/assets/icon/crown_bronze.png"> <a href="/users/sigma425" class="username"><span class="user-red">sigma425</span></a> - Rated range: 1200 ~ 2799 - Point Values: 400-500-700-700-700-800 We are looking forward to your participation!

We will hold <a href="https://atcoder.jp/contests/abc471">AtCoder Beginner Contest 471</a>. - Contest URL: https://atcoder.jp/contests/abc471 - Start Time: http://www.timeanddate.com/worldclock/fixedtime.html?iso=20260815T2100&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/kyopro_friends" class="username"><span class="user-orange">kyopro_friends</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-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-2.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: 100-200-300-400-450-550-600 We are looking forward to your participation!

We will hold <a href="https://atcoder.jp/contests/arc226">UNIQUE VISION Programming Contest 2026 Summer (AtCoder Regular Contest 226)</a>. - Contest URL: https://atcoder.jp/contests/arc226 - Start Time: http://www.timeanddate.com/worldclock/fixedtime.html?iso=20260809T2100&p1=248 - Duration: 120 minutes - Writer: <img src="//img.atcoder.jp/assets/icon/crown_silver.png"> <a href="/users/snuke" class="username"><span style="color:#1000AC;">snuke</span></a> - Tester: <img src="//img.atcoder.jp/assets/user/user-orange-4.png" class="user-rating-stage-m"><a href="/users/Nyaan" class="username"><span class="user-orange">Nyaan</span></a>, <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: 400-500-700-800-1000 We are looking forward to your participation!

We will hold <a href="https://atcoder.jp/contests/abc470">JPRS Programming Contest 2026#2 (AtCoder Beginner Contest 470)</a>. - Contest URL: https://atcoder.jp/contests/abc470 - Start Time: http://www.timeanddate.com/worldclock/fixedtime.html?iso=20260808T2100&p1=248 - Duration: 100 minutes - Writer： <img src="//img.atcoder.jp/assets/user/user-orange-2.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/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-1.png" class="user-rating-stage-m"><a href="/users/kyopro_friends" class="username"><span class="user-orange">kyopro_friends</span></a> - Tester： <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></a> - Rated range: ~ 1999 - The point values: 100-200-300-400-450-500-600 We are looking forward to your participation!

We will hold <a href="https://atcoder.jp/contests/abc469">AtCoder Beginner Contest 469</a>. - Contest URL: https://atcoder.jp/contests/abc469 - Start Time: http://www.timeanddate.com/worldclock/fixedtime.html?iso=20260801T2100&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/vwxyz" class="username"><span class="user-orange">vwxyz</span></a>, <img src="//img.atcoder.jp/assets/icon/crown_bronze.png"> <a href="/users/cn449" class="username"><span class="user-red">cn449</span></a> - Tester: <img src="//img.atcoder.jp/assets/user/user-orange-2.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/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-3.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: 100-200-300-400-475-500-575 We are looking forward to your participation!

We will hold <a href="https://atcoder.jp/contests/ahc069">RECRUIT Nihonbashi Half Marathon 2026 Summer (AtCoder Heuristic Contest 069)</a>. - Contest URL: https://atcoder.jp/contests/ahc069 - Start Time: http://www.timeanddate.com/worldclock/fixedtime.html?iso=20260731T1900&p1=248 - Duration: 10 days - Staff：<a href="https://atcoder.jp/users/cozy_sauna?contestType=heuristic" class="username user-orange"><span class="user-orange">cozy_sauna</span></a>, <a href="https://atcoder.jp/users/crinoid_t" class="username user-gray"><span class="user-gray">crinoid\_t</span></a>, <a href="https://atcoder.jp/users/dpforest" class="username user-blue"><span class="user-blue">dpforest</span></a>, <a href="https://atcoder.jp/users/eha" class="username user-yellow"><span class="user-yellow">eha</span></a>, <a href="https://atcoder.jp/users/fky_?contestType=heuristic" class="username user-yellow"><span class="user-yellow">fky_</span></a>, <a href="https://atcoder.jp/users/FLOPPY_30" class="username user-blue"><span class="user-blue">FLOPPY_30</span></a>, <a href="https://atcoder.jp/users/frnfnts" class="username user-cyan"><span class="user-cyan">frnfnts</span></a>, <a href="https://atcoder.jp/users/hamray" class="username user-blue"><span class="user-blue">hamray</span></a>, <a href="https://atcoder.jp/users/hashiryo" class="username user-yellow"><span class="user-yellow">hashiryo</span></a>, <a href="https://atcoder.jp/users/hedwig" class="username user-blue"><span class="user-blue">hedwig</span></a>, <a href="https://atcoder.jp/users/japlj" class="username user-red"><span class="user-red">japlj</span></a>, <a href="https://atcoder.jp/users/kanra824" class="username user-blue"><span class="user-blue">kanra824</span></a>, <a href="https://atcoder.jp/users/kys" class="username user-blue"><span class="user-blue">kys</span></a>, <a href="https://atcoder.jp/users/miz56" class="username user-blue"><span class="user-blue">miz56</span></a>, <a href="https://atcoder.jp/users/n_knuu" class="username user-blue"><span class="user-blue">n_knuu</span></a>, <a href="https://atcoder.jp/users/roiti" class="username user-blue"><span class="user-blue">roiti</span></a>, <a href="https://atcoder.jp/users/ruthen71" class="username user-yellow"><span class="user-yellow">ruthen71</span></a>, <a href="https://atcoder.jp/users/samasama" class="username user-green"><span class="user-green">samasama</span></a>, <a href="https://atcoder.jp/users/shichinomiya" class="username user-cyan"><span class="user-cyan">shichinomiya</span></a>, <a href="https://atcoder.jp/users/shiratty8" class="username user-yellow"><span class="user-yellow">shiratty8</span></a>, <a href="https://atcoder.jp/users/smiken" class="username user-orange"><span class="user-orange">smiken</span></a>, <a href="https://atcoder.jp/users/sugim48" class="username"><span style="color:#C06000;">sugim48</span></a>, <a href="https://atcoder.jp/users/tomerun?contestType=heuristic" class="username user-red"><span class="user-red">tomerun</span></a>, <a href="https://atcoder.jp/users/yupiteru?contestType=heuristic" class="username user-yellow"><span class="user-yellow">yupiteru</span></a>, <a href="https://atcoder.jp/users/yusk" class="username user-cyan"><span class="user-cyan">yusk</span></a>, and others. - 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 have posted important information regarding the use of generative AI on the top page and at the end of the problem statement. Please make sure to read it.** We are looking forward to your participation!

We will hold <a href="https://atcoder.jp/contests/abc468">AtCoder Beginner Contest 468</a>. - Contest URL: https://atcoder.jp/contests/abc468 - Start Time: http://www.timeanddate.com/worldclock/fixedtime.html?iso=20260725T2100&p1=248 - Duration: 100 minutes - Writer: <img src="//img.atcoder.jp/assets/user/user-orange-2.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/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-3.png" class="user-rating-stage-m"><a href="/users/sheyasutaka" class="username"><span class="user-orange">sheyasutaka</span></a> - Rated range: ~ 1999 - The point values: 100-200-300-400-450-500-550 We are looking forward to your participation!

We will hold <a href="https://atcoder.jp/contests/arc225">AtCoder Regular Contest 225</a>. - Contest URL: https://atcoder.jp/contests/arc225 - Start Time: http://www.timeanddate.com/worldclock/fixedtime.html?iso=20260719T2100&p1=248 - Duration: 120 minutes - Writer: <img src="//img.atcoder.jp/assets/user/user-yellow-1.png" class="user-rating-stage-m"><a href="/users/milkcoffee" class="username"><span class="user-yellow">milkcoffee</span></a> - Tester: <img src="//img.atcoder.jp/assets/user/user-orange-4.png" class="user-rating-stage-m"><a href="/users/Nyaan" class="username"><span class="user-orange">Nyaan</span></a>, <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: 500-600-600-600-900 We are looking forward to your participation!

We will hold <a href="https://atcoder.jp/contests/abc467">AtCoder Beginner Contest 467</a>. - Contest URL: https://atcoder.jp/contests/abc467 - Start Time: http://www.timeanddate.com/worldclock/fixedtime.html?iso=20260718T2100&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/vwxyz" class="username"><span class="user-orange">vwxyz</span></a>, <img src="//img.atcoder.jp/assets/user/user-orange-4.png" class="user-rating-stage-m"><a href="/users/Nyaan" class="username"><span class="user-orange">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/sounansya" class="username"><span class="user-orange">sounansya</span></a> - Rated range: ~ 1999 - The point values: 100-200-300-425-450-525-625 We are looking forward to your participation!