This contest has been postponed by AtCoder in order to implement measures against DDoS attacks. It is not canceled. We will inform you officially of the rescheduled date as soon as it is confirmed. The temporary measure of setting the contest start time to April 23, 2024 is due to the postponement and is not a final decision. In order to provide our users with a reliable service in the future, please allow us time to investigate and implement countermeasures against the attack. We kindly ask for your understanding and cooperation.

We will hold <a href="https://atcoder.jp/contests/ahc020">ALGO ARTIS Programming Contest 2023（AtCoder Heuristic Contest 020）</a>. - Contest URL: https://atcoder.jp/contests/ahc020 - Start Time: http://www.timeanddate.com/worldclock/fixedtime.html?iso=20230423T1500&p1=248 - Duration: 4 hours - Writer: <img src="//img.atcoder.jp/assets/icon/crown_gold.png"><a href="https://atcoder.jp/users/terry_u16?contestType=heuristic" class="username"><span class="user-red">terry_u16</span></a> - Rated range: All (Heuristic Rating) The goal of AHC is to create a better solution to a problem for which it is difficult to find the optimal solution. We are looking forward to your participation!

Contest mode will be introduced as a part of the countermeasures against high load. ### What is Contest Mode? During ABC, ARC, AGC, and some AHC contests, access to all pages except for the contest will be restricted. The restricted pages are as follows - All submission list - Standings You will be able to view your own submissions and problems you have submitted in the past. We apologize for any inconvenience this may cause and appreciate your understanding and cooperation.

We will hold <a href="https://atcoder.jp/contests/abc299">Tokio Marine & Nichido Fire Insurance Programming Contest 2023（AtCoder Beginner Contest 299)</a>. - Contest URL: https://atcoder.jp/contests/abc299 - Start Time: http://www.timeanddate.com/worldclock/fixedtime.html?iso=20230422T2100&p1=248 - Duration: 100 minutes - Number of Tasks: 8 - Writer: <a href="/users/leaf1415" class="username"><span class="user-orange">leaf1415</span></a>, <a href="/users/MMNMM" class="username"><span class="user-orange">MMNMM</span></a>, <a href="/users/evima" class="username"><span class="user-unrated">evima</span></a>, <a href="/users/Nyaan" class="username"><span class="user-red">Nyaan</span></a> - Tester: <a href="/users/mechanicalpenciI" class="username"><span class="user-orange">mechanicalpenciI</span></a>, <a href="/users/PCTprobability" class="username"><span class="user-red">PCTprobability</span></a> - Rated range: ~ 1999 The point values will be 100-200-300-400-500-500-600-600. We are looking forward to your participation!

We will hold <a href="https://atcoder.jp/contests/abc298">TOYOTA MOTOR CORPORATION Programming Contest 2023#1 (AtCoder Beginner Contest 298)</a>. - Contest URL: https://atcoder.jp/contests/abc298 - Start Time: http://www.timeanddate.com/worldclock/fixedtime.html?iso=20230415T2100&p1=248 - Duration: 100 minutes - Number of Tasks: 8 - Writer: <a href="/users/m_99" class="username"><span class="user-orange">m_99</span></a>, <a href="/users/cn449" class="username"><span class="user-red">cn449</span></a>, <a href="/users/evima" class="username"><span class="user-unrated">evima</span></a>, <a href="/users/nok0" class="username"><span class="user-orange">nok0</span></a>, <a href="/users/kyopro_friends" class="username"><span class="user-orange">kyopro_friends</span></a>, <a href="/users/Nyaan" class="username"><span class="user-red">Nyaan</span></a>, <a href="/users/leaf1415" class="username"><span class="user-orange">leaf1415</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> - Tester: <img src="//img.atcoder.jp/assets/icon/crown_bronze.png"> <a href="/users/yuto1115" class="username"><span class="user-red">yuto1115</span></a>, <a href="/users/kyopro_friends" class="username"><span class="user-orange">kyopro_friends</span></a> - Rated range: ~ 1999 The point values will be 100-200-300-400-500-500-600-600. We are looking forward to your participation!

We will hold <a href="https://atcoder.jp/contests/arc159">AtCoder Regular Contest 159</a>. - Contest URL: https://atcoder.jp/contests/arc159 - Start Time: http://www.timeanddate.com/worldclock/fixedtime.html?iso=20230408T2100&p1=248 - Duration: 120 minutes - Number of Tasks: 6 - Writer: <a href="/users/m_99" class="username"><span class="user-orange">m_99</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>, <a href="/users/Nyaan" class="username"><span class="user-red">Nyaan</span></a> - Rated range: ~ 2799 The point values will be 300-400-500-600-900-900. We are looking forward to your participation!

We will hold <a href="https://atcoder.jp/contests/abc297">AtCoder Beginner Contest 297</a>. - Contest URL: https://atcoder.jp/contests/abc297 - Start Time: http://www.timeanddate.com/worldclock/fixedtime.html?iso=20230409T2100&p1=248 - Duration: 100 minutes - Number of Tasks: 8 - Writer: <a href="/users/PCTprobability" class="username"><span class="user-red">PCTprobability</span></a>, <a href="/users/nok0" class="username"><span class="user-orange">nok0</span></a>, <a href="/users/evima" class="username"><span class="user-unrated">evima</span></a>, <a href="/users/Nyaan" class="username"><span class="user-red">Nyaan</span></a>, <a href="/users/kyopro_friends" class="username"><span class="user-orange">kyopro_friends</span></a>, <a href="/users/sugarrr" class="username"><span class="user-orange">sugarrr</span></a> - Tester: <a href="/users/Nyaan" class="username"><span class="user-red">Nyaan</span></a>, <a href="/users/physics0523" class="username"><span class="user-orange">physics0523</span></a> - Rated range: ~ 1999 The point values will be 100-200-300-400-500-500-600-600. We are looking forward to your participation!

We will hold <a href="https://atcoder.jp/contests/abc296">AtCoder Beginner Contest 296</a>. - Contest URL: https://atcoder.jp/contests/abc296 - Start Time: http://www.timeanddate.com/worldclock/fixedtime.html?iso=20230401T2100&p1=248 - Duration: 100 minutes - Number of Tasks: 8 - Writer: <a href="/users/kyopro_friends" class="username"><span class="user-orange">kyopro_friends</span></a>, <a href="/users/mechanicalpenciI" class="username"><span class="user-orange">mechanicalpenciI</span></a>, <a href="/users/physics0523" class="username"><span class="user-orange">physics0523</span></a>, <a href="/users/Nyaan" class="username"><span class="user-red">Nyaan</span></a>, <a href="/users/nok0" class="username"><span class="user-orange">nok0</span></a> - Tester: <a href="/users/leaf1415" class="username"><span class="user-orange">leaf1415</span></a>, <a href="/users/MMNMM" class="username"><span class="user-orange">MMNMM</span></a> - Rated range: ~ 1999 The point values will be 100-200-300-400-500-500-600-600. We are looking forward to your participation!

We will hold <a href="https://atcoder.jp/contests/abc295">AtCoder Beginner Contest 295</a>. - Contest URL: https://atcoder.jp/contests/abc295 - Start Time: http://www.timeanddate.com/worldclock/fixedtime.html?iso=20230325T2100&p1=248 - Duration: 100 minutes - Number of Tasks: 8 - Writer: <a href="/users/physics0523" class="username"><span class="user-orange">physics0523</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>, <a href="/users/evima" class="username"><span class="user-unrated">evima</span></a>, <a href="/users/mechanicalpenciI" class="username"><span class="user-orange">mechanicalpenciI</span></a>, <a href="/users/physics0523" class="username"><span class="user-orange">physics0523</span></a>, <a href="/users/PCTprobability" class="username"><span class="user-red">PCTprobability</span></a> - Tester: <a href="/users/m_99" class="username"><span class="user-orange">m_99</span></a>, <a href="/users/cn449" class="username"><span class="user-red">cn449</span></a> - Rated range: ~ 1999 The point values will be 100-200-300-400-500-500-600-600. We are looking forward to your participation!

We will hold <a href="https://atcoder.jp/contests/ahc019">MC Digital Programming Contest 2023（AtCoder Heuristic Contest 019）</a>. - Contest URL: https://atcoder.jp/contests/ahc019 - Start Time: http://www.timeanddate.com/worldclock/fixedtime.html?iso=20230318T1200&p1=248 - Duration: 2 weeks - Writer: <a href="/users/wata_admin" class="username"><span class="user-unrated">wata_admin</span></a> - Rated range: All (Heuristic Rating) The goal of AHC is to create a better solution to a problem for which it is difficult to find the optimal solution. We are looking forward to your participation!