We will hold <a href="https://atcoder.jp/contests/abc412">AtCoder Beginner Contest 412</a>. - Contest URL: https://atcoder.jp/contests/abc412 - Start Time: http://www.timeanddate.com/worldclock/fixedtime.html?iso=20250628T2100&p1=248 - Duration: 100 minutes - Writer: <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/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/toam" class="username"><span class="user-orange">toam</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> - Rated range: ~ 1999 - The point values: 100-200-300-425-500-525-650 We are looking forward to your participation!

We will hold <a href="https://atcoder.jp/contests/ahc049">Toyota Programming Contest 2025#3（AtCoder Heuristic Contest 049）</a>. - Contest URL: https://atcoder.jp/contests/ahc049 - Start Time: http://www.timeanddate.com/worldclock/fixedtime.html?iso=20250621T1500&p1=248 - Duration: 4 hours - Writer: <a href="/users/wata_admin" class="username"><span class="user-unrated">wata_admin</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!

We will hold <a href="https://atcoder.jp/contests/arc201">AtCoder Regular Contest 201</a>. - Contest URL: https://atcoder.jp/contests/arc201 - Start Time: http://www.timeanddate.com/worldclock/fixedtime.html?iso=20250622T2100&p1=248 - Duration: 120 minutes - Number of Tasks: 6 - 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 The point values will be 500-500-600-700-800-1000. Please note that the rated range differs from usual, as this ARC also serves as a qualifying round for a domestic contest in Japan. We are looking forward to your participation!

We will hold <a href="https://atcoder.jp/contests/abc411">UNIQUE VISION Programming Contest 2025 Summer (AtCoder Beginner Contest 411)</a>. - Contest URL: https://atcoder.jp/contests/abc411 - Start Time: http://www.timeanddate.com/worldclock/fixedtime.html?iso=20250621T2100&p1=248 - Duration: 100 minutes - Writer: <img src="//img.atcoder.jp/assets/icon/crown_bronze.png"> <a href="/users/yuto1115" class="username"><span class="user-red">yuto1115</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/ynymxiaolongbao" class="username"><span class="user-orange">ynymxiaolongbao</span></a>, <img src="//img.atcoder.jp/assets/user/user-orange-2.png" class="user-rating-stage-m"><a href="/users/toam" class="username"><span class="user-orange">toam</span></a> - Tester: <img src="//img.atcoder.jp/assets/user/user-orange-4.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/MMNMM" class="username"><span class="user-orange">MMNMM</span></a> - Rated range: ~ 1999 - The point values: 100-200-350-425-450-525-600 We are looking forward to your participation!

We will hold <a href="https://atcoder.jp/contests/arc200">AtCoder Regular Contest 200 (Div. 2)</a>. - Contest URL: https://atcoder.jp/contests/arc200 - Start Time: http://www.timeanddate.com/worldclock/fixedtime.html?iso=20250615T2100&p1=248 - Duration: 120 minutes - Number of Tasks: 5 - 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> - 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 ~ 2399 The point values will be 500-600-700-700-800. We are looking forward to your participation!

We will hold <a href="https://atcoder.jp/contests/abc410">AtCoder Beginner Contest 410</a>. - Contest URL: https://atcoder.jp/contests/abc410 - Start Time: http://www.timeanddate.com/worldclock/fixedtime.html?iso=20250614T2100&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-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-2.png" class="user-rating-stage-m"><a href="/users/nok0" class="username"><span class="user-orange">nok0</span></a>, <img src="//img.atcoder.jp/assets/user/user-orange-2.png" class="user-rating-stage-m"><a href="/users/MMNMM" class="username"><span class="user-orange">MMNMM</span></a> - Rated range: ~ 1999 - The point values: 100-200-300-400-450-525-575 We are looking forward to your participation!

We will hold <a href="https://atcoder.jp/contests/abc409">AtCoder Beginner Contest 409</a>. - Contest URL: https://atcoder.jp/contests/abc409 - Start Time: http://www.timeanddate.com/worldclock/fixedtime.html?iso=20250607T2100&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/sotanishy" class="username"><span class="user-orange">sotanishy</span></a>, <img src="//img.atcoder.jp/assets/user/user-orange-2.png" class="user-rating-stage-m"><a href="/users/toam" class="username"><span class="user-orange">toam</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/user/user-orange-4.png" class="user-rating-stage-m"><a href="/users/cn449" class="username"><span class="user-orange">cn449</span></a> - Rated range: ~ 1999 - The point values: 100-200-300-400-425-500-625 We are looking forward to your participation!

We will hold <a href="https://atcoder.jp/contests/arc199">AtCoder Regular Contest 199 (Div. 1)</a>. - Contest URL: https://atcoder.jp/contests/arc199 - Start Time: http://www.timeanddate.com/worldclock/fixedtime.html?iso=20250601T2100&p1=248 - Duration: 150 minutes - Number of Tasks: 4 - Writer: <img src="//img.atcoder.jp/assets/user/user-orange-2.png" class="user-rating-stage-m"><a href="/users/toam" class="username"><span class="user-orange">toam</span></a> - Tester: <img src="//img.atcoder.jp/assets/user/user-orange-1.png" class="user-rating-stage-m"><a href="/users/sotanishy" class="username"><span class="user-orange">sotanishy</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: 1600 ~ 2999 The point values will be 800-800-900-1000. We are looking forward to your participation!

We will hold <a href="https://atcoder.jp/contests/abc408">AtCoder Beginner Contest 408</a>. - Contest URL: https://atcoder.jp/contests/abc408 - Start Time: http://www.timeanddate.com/worldclock/fixedtime.html?iso=20250531T2100&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/MtSaka" class="username"><span class="user-orange">MtSaka</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/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/yuto1115" class="username"><span class="user-red">yuto1115</span></a> - Rated range: ~ 1999 - The point values: 150-150-300-400-450-500-625 We are looking forward to your participation!

We will hold <a href="https://atcoder.jp/contests/ahc048">MC Digital Programming Contest 2025 (AtCoder Heuristic Contest 048)</a>. - Contest URL: https://atcoder.jp/contests/ahc048 - Start Time: http://www.timeanddate.com/worldclock/fixedtime.html?iso=20250530T1900&p1=248 - Duration: 10 days - Writer: <a href="/users/wata_admin" class="username"><span class="user-unrated">wata_admin</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!