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We will hold <a href="https://atcoder.jp/contests/ahc062">UNIQUE VISION Programming Contest 2026 Spring (AtCoder Heuristic Contest 062)</a>.
- Contest URL: https://atcoder.jp/contests/ahc062
- Start Time: http://www.timeanddate.com/worldclock/fixedtime.html?iso=20260314T1500&p1=248
- Duration: 4 hours
- Writer: <a href="/users/Kiri8128" class="username"><img src="//img.atcoder.jp/assets/icon/crown_bronze.png"> <span class="user-orange">Kiri8128</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/abc448">AtCoder Beginner Contest 448</a>.
- Contest URL: https://atcoder.jp/contests/abc448
- Start Time: http://www.timeanddate.com/worldclock/fixedtime.html?iso=20260307T2100&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/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-3.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-yellow-2.png" class="user-rating-stage-m"><a href="/users/ynymxiaolongbao" class="username"><span class="user-yellow">ynymxiaolongbao</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-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-4.png" class="user-rating-stage-m"><a href="/users/mechanicalpenciI" class="username"><span class="user-orange">mechanicalpenciI</span></a>
- Rated range: ~ 1999
- The point values: 100-200-300-400-450-525-675
We are looking forward to your participation!
We will hold <a href="https://atcoder.jp/contests/abc447">AtCoder Beginner Contest 447</a>.
- Contest URL: https://atcoder.jp/contests/abc447
- Start Time: http://www.timeanddate.com/worldclock/fixedtime.html?iso=20260228T2100&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/harurun4635" class="username"><span class="user-orange">harurun4635</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>, <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/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/vwxyz" class="username"><span class="user-orange">vwxyz</span></a>
- Rated range: ~ 1999
- The point values: 100-200-300-400-475-500-625
We are looking forward to your participation!
We will hold <a href="https://atcoder.jp/contests/arc215">AtCoder Regular Contest 215</a>.
- Contest URL: https://atcoder.jp/contests/arc215
- Start Time: http://www.timeanddate.com/worldclock/fixedtime.html?iso=20260222T2100&p1=248
- Duration: 120 minutes
- Writer: <img src="//img.atcoder.jp/assets/user/user-yellow-2.png" class="user-rating-stage-m"><a href="/users/ynymxiaolongbao" class="username"><span class="user-yellow">ynymxiaolongbao</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: 500-500-600-600-700-700
We are looking forward to your participation!
We will hold <a href="https://atcoder.jp/contests/abc446">AtCoder Beginner Contest 446</a>.
- Contest URL: https://atcoder.jp/contests/abc446
- Start Time: http://www.timeanddate.com/worldclock/fixedtime.html?iso=20260221T2100&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/mechanicalpenciI" class="username"><span class="user-orange">mechanicalpenciI</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/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/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/sounansya" class="username"><span class="user-orange">sounansya</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>, <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>
- 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/abc445">AtCoder Beginner Contest 445</a>.
- Contest URL: https://atcoder.jp/contests/abc445
- Start Time: http://www.timeanddate.com/worldclock/fixedtime.html?iso=20260214T2100&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/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/MMNMM" class="username"><span class="user-orange">MMNMM</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/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>
- Rated range: ~ 1999
- The point values: 100-200-300-425-475-500-600
We are looking forward to your participation!
We will hold <a href="https://atcoder.jp/contests/ahc061">THIRD Programming Contest 2026（AtCoder Heuristic Contest 061）</a>.
- Contest URL: https://atcoder.jp/contests/ahc061
- Start Time: http://www.timeanddate.com/worldclock/fixedtime.html?iso=20260213T1900&p1=248
- Duration: 10 days
- Writer: <img src="//img.atcoder.jp/assets/icon/crown_gold.png"> <a href="/users/Shun_PI" class="username"><span class="user-red">Shun_PI</span></a></li>
- Rated range: All (Heuristic Rating)
This contest is one of the qualifying contests for <a href="https://atcoder.jp/posts/1635">AWTF 2027</a>.
We are looking forward to your participation!
We will hold <a href="https://atcoder.jp/contests/arc214">AtCoder Regular Contest 214</a>.
- Contest URL: https://atcoder.jp/contests/arc214
- Start Time: http://www.timeanddate.com/worldclock/fixedtime.html?iso=20260208T2100&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: 300-500-600-700-700-900
We are looking forward to your participation!
The AtCoder Weekday Contest will be held for five consecutive days starting on February 9 (Monday), with each contest running for 90 minutes from 8:00 PM (JST).
[AtCoder Weekday Contest 0001 Beta](https://atcoder.jp/contests/awc0001)
[AtCoder Weekday Contest 0002 Beta](https://atcoder.jp/contests/awc0002)
[AtCoder Weekday Contest 0003 Beta](https://atcoder.jp/contests/awc0003)
[AtCoder Weekday Contest 0004 Beta](https://atcoder.jp/contests/awc0004)
[AtCoder Weekday Contest 0005 Beta](https://atcoder.jp/contests/awc0005)
- Start Times
- AWC0001: [February 9, 2026 (Monday) 8:00 PM (JST)](https://www.timeanddate.com/worldclock/fixedtime.html?iso=20260209T2100&p1=248)
- AWC0002: [February 10, 2026 (Tuesday) 8:00 PM (JST)](https://www.timeanddate.com/worldclock/fixedtime.html?iso=20260209T2100&p1=248)
- AWC0003: [February 11, 2026 (Wednesday) 8:00 PM (JST)](https://www.timeanddate.com/worldclock/fixedtime.html?iso=20260209T2100&p1=248)
- AWC0004: [February 12, 2026 (Thursday) 8:00 PM (JST)](https://www.timeanddate.com/worldclock/fixedtime.html?iso=20260209T2100&p1=248)
- AWC0005: [February 13, 2026 (Friday) 8:00 PM (JST)](https://www.timeanddate.com/worldclock/fixedtime.html?iso=20260209T2100&p1=248)
- Writer: <img src="//img.atcoder.jp/assets/icon/crown_bronze.png"> <a href="/user/chokudai" class="username"><span class="user-red">chokudai</span></a>
- Rating Update Eligible: None
- Scoring Range: 100~200 - 233~266 - 300~333 - 366~400 - 433~466
- The scoring scale has been set higher than usual, targeting participation from users ranked cyan or below.
We will hold <a href="https://atcoder.jp/contests/abc444">AtCoder Beginner Contest 444</a>.
- Contest URL: https://atcoder.jp/contests/abc444
- Start Time: http://www.timeanddate.com/worldclock/fixedtime.html?iso=20260207T2100&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-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-yellow-3.png" class="user-rating-stage-m"><a href="/users/ynymxiaolongbao" class="username"><span class="user-yellow">ynymxiaolongbao</span></a>, <img src="//img.atcoder.jp/assets/user/user-orange-3.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/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>
- Rated range: ~ 1999
- The point values: 100-200-350-400-450-550-675
We are looking forward to your participation!