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toomer @toomerhs

競プロ Atcoder(A:橙, H:橙) Rust

Joined May 2020
  • Tweets 3,632
  • Following 114
  • Followers 221
371 Photos and videos
Daily Akari 😊 527 ✅2026-06-16 (火)✅ 🌟 Perfect! 🕓 0:26 dailyakari.com/

Daily Akari

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Solved "Xored PNG" 🦙 Misc / Medium / Jun 16, 2026 alpacahack.com/daily

Daily AlpacaHack

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Daily Akari 😊 526 ✅2026-06-15 (月)✅ 🌟 Perfect! 🕓 0:22 dailyakari.com/

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76
Solved "SITE/2" 🦙 Web / Easy / Jun 15, 2026 alpacahack.com/daily

Daily AlpacaHack

A daily CTF challenge with a fun new puzzle every day

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70
HBitさんの第七回日本最強プログラマー学生選手権-予選-（AtCoder Regular Contest 222）での成績：94位 パフォーマンス：2560相当 レーティング：2430→2444 ( 14) :) Highestを更新しました！ #AtCoder #ARC222 atcoder.jp/users/HBit/histor…

コンテスト成績証 - AtCoder

プログラミング初級者から上級者まで楽しめる、競技プログラミングコンテストサイト「AtCoder」。オンラインで毎週開催プログラミングコンテストを開催しています。競技プログラミングを用いて、客観的に自分のスキルを計ることのできるサービスです。

atcoder.jp
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ARC 222 ooo-o- A: i mod max(R-L 1) B: r / rs / rsp が勝つ場合をそれぞれ整理 C: 1行にoxoを1つずらしながら置けるとしてDP E: O(2^(2M)) を値の降順にみて平方分割 序盤危なかったけど耐え
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D もまあまあ解けそうだったけど E のが解かれてたので結局 E に行ったけどギリ解けてよかった
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Daily Akari 😊 525 ✅2026-06-14 (日)✅ 🌟 Perfect! 🕓 5:16 dailyakari.com/

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77
Solved "CAuth" 🦙 Web / Hard / Jun 14, 2026 alpacahack.com/daily

Daily AlpacaHack

A daily CTF challenge with a fun new puzzle every day

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toomer retweeted
toomer@toomerhs
Jun 13
先週のゆきこのボス問0ACなので誰か解いて～ C,D もおすすめなので解いてほしい ・C：構築得意な人はぜひ ・D：log 1個で解けます（出題後に気づいた） yukicoder.me/contests/597 #yukicoder
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ABC 462 全完 C: ソートしてこれまでのYのminで判定 D: 犯行可能な開始時刻が区間になるので imos E: A≤Bとしておいて丁寧に分岐処理 F: DP, ±35くらい見ておけば十分 G: 包除, 色ごとに数えて畳み込み
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全完
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Daily Akari 😊 524 ✅2026-06-13 (土)✅ 🌟 Perfect! 🕓 7:18 dailyakari.com/

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Solved "Elliptic Equation" 🦙 Crypto / Hard / Jun 13, 2026 alpacahack.com/daily

Daily AlpacaHack

A daily CTF challenge with a fun new puzzle every day

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1
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toomer retweeted
Anthropic
@AnthropicAI
Jun 13
The US government, citing national security authorities, has issued an export control directive to suspend all access to Fable 5 and Mythos 5 by any foreign national, whether inside or outside the United States, including foreign national Anthropic employees. The net effect of this order is that we must abruptly disable Fable 5 and Mythos 5 for all our customers to ensure compliance. Access to all other Claude models is not affected. We apologize for this disruption to our customers. We believe this is a misunderstanding and are working to restore access as soon as possible. Read our full statement: anthropic.com/news/fable-myt…

Statement on the US government directive to suspend access to Fable 5 and Mythos 5

The US government has issued an export control directive to suspend all access to Fable 5 and Mythos 5 by any foreign national, whether inside or outside the United States.

anthropic.com
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Daily Akari 😊 523 ✅2026-06-12 (金)✅ 🌟 Perfect! 🕓 3:33 dailyakari.com/

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52
Solved "Floating Equality" 🦙 Misc / Medium / Jun 12, 2026 alpacahack.com/daily

Daily AlpacaHack

A daily CTF challenge with a fun new puzzle every day

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toomer retweeted
YI
@y_imjk
Jun 10
Claude Fable 5 shows impressive performance on ALE-Bench! A significant jump over Claude Opus 4.8, and it's now at the frontier. This is the first time an Anthropic model has topped this benchmark. sakanaai.github.io/ALE-Bench…
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Daily Akari 😊 522 ✅2026-06-11 (木)✅ 🌟 Perfect! 🕓 4:04 dailyakari.com/

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