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Advent Calendar 2021 / Qiita Official

競技プログラミングを始めたばかりの人に伝えたいこと Advent Calendar 2021

Participant25People

Subscriber138People

1170

Category：Qiita Official

Creator：

@drken

本カレンダーは、Qiita Top Contributor の @drken さんからのお題です。
みなさまの素敵な記事をお待ちしています。

今回のお題

みなさんが競技プログラミングを始めたときに「こんなことが知りたかった！」と思うことを書いてください。
特定のアルゴリズムをわかりやすく解説するのもよし、コンテストに参加する心構えを説くのもよし。
自由に書いていただければと思います！

プレゼント内容

LGTM賞（1名様）：Qiitanぬいぐるみ1体

投稿された記事の中で、最もLGTM数が多かった記事の投稿者に贈られます。

Top Contributor賞（1名様）：Qiitanぬいぐるみ1体

以下の観点から、@drken さんが選んだ記事の投稿者に贈られます。

初心者目線での説明のわかりやすさ
説明の仕方のオリジナリティ。

必ずしも新たな知見を含まない内容でも大丈夫です。
むしろみんなが知っているようなことを、オリジナルの視点から説明するのを頑張っていただけたらと思います。

Series 1

Sun	Mon	Tue	Wed	Thu	Fri	Sat
28	29	30	@noritsune AtCoder参加時に自動化で楽をしていること紹介(.NET) Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use	@thanai みんながあまり言わない競プロの利点 Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use	@rute_not_route 【初心者向け】AtCoder Beginner Contest の取り組み方 Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use	@torifukukaiou 競技プログラミングとElixirと私 (2021/12/04) Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use
@malleroid Docker+VSCodeでAtCoder用の開発環境を簡単に作る(Python編) Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use	@amaguri0408 競プロでのデバッグを標準エラー出力で行っているという話 Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use	@Luke02561 競プロ小技集 Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use	@moffy [AtCoder]提出されたコードをコマンドライン上から保存するツールを開発した話 Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use	@84zume AtCoderを途中で離脱せず継続するコツ Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use	@hamayanhamayan 競プロのエコシステムについて Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use	@tomonaka 非プログラマーがやる競技プログラミングについて書きます Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use
@hotpepsi 競プロでいつもやっていること Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use	@meowmeowcats 競技プログラミングのテストケースから読み解くALTAのテスト技法 Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use	@ganyariya 競プロの解説記事を書いてみようというお話 Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use	@uhooi 競プロで使える標準入力の便利メソッド一覧(Swift) Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use	@jinyanakamura データサイエンティストが競プロを始めるメリット Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use	@imuraya 競プロでの自己肯定感の保ち方 Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use	@yassu 一人でabcをやっていたときに気付かなかった知見 Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use
@nanameruby ワナビーだった私からワナビーのみんなへ、競技プログラミングを始めてワナビーから抜け出そうぜって話をします Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use	@KJ0513 Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use	@akiku 競技プログラミングを始めたばかりの業プロerが、競技プログラミングのスタート地点に立つまでの話 Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use	@square1001 アルゴリズムの世界地図 Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use	@TheYoshipiro 競プロと年代別のメリットと、止めどきについて。 Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use	@TumoiYorozu C++入門者向けコード実行エディタをつくった話 Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use	@sakofsuken 122人に聞いた！「競技プログラミングを始めたばかりの人に伝えたいこと」 Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use

	@noritsune AtCoder参加時に自動化で楽をしていること紹介(.NET) Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use
	@thanai みんながあまり言わない競プロの利点 Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use
	@rute_not_route 【初心者向け】AtCoder Beginner Contest の取り組み方 Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use
	@torifukukaiou 競技プログラミングとElixirと私 (2021/12/04) Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use
	@malleroid Docker+VSCodeでAtCoder用の開発環境を簡単に作る(Python編) Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use
	@amaguri0408 競プロでのデバッグを標準エラー出力で行っているという話 Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use
	@Luke02561 競プロ小技集 Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use
	@moffy [AtCoder]提出されたコードをコマンドライン上から保存するツールを開発した話 Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use
	@84zume AtCoderを途中で離脱せず継続するコツ Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use
	@hamayanhamayan 競プロのエコシステムについて Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use
	@tomonaka 非プログラマーがやる競技プログラミングについて書きます Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use
	@hotpepsi 競プロでいつもやっていること Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use
	@meowmeowcats 競技プログラミングのテストケースから読み解くALTAのテスト技法 Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use
	@ganyariya 競プロの解説記事を書いてみようというお話 Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use
	@uhooi 競プロで使える標準入力の便利メソッド一覧(Swift) Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use
	@jinyanakamura データサイエンティストが競プロを始めるメリット Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use
	@imuraya 競プロでの自己肯定感の保ち方 Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use
	@yassu 一人でabcをやっていたときに気付かなかった知見 Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use
	@nanameruby ワナビーだった私からワナビーのみんなへ、競技プログラミングを始めてワナビーから抜け出そうぜって話をします Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use
	@KJ0513 Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use
	@akiku 競技プログラミングを始めたばかりの業プロerが、競技プログラミングのスタート地点に立つまでの話 Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use
	@square1001 アルゴリズムの世界地図 Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use
	@TheYoshipiro 競プロと年代別のメリットと、止めどきについて。 Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use
	@TumoiYorozu C++入門者向けコード実行エディタをつくった話 Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use
	@sakofsuken 122人に聞いた！「競技プログラミングを始めたばかりの人に伝えたいこと」 Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use

Sun	Mon	Tue	Wed	Thu	Fri	Sat
28	29	30	@noritsune AtCoder参加時に自動化で楽をしていること紹介(.NET) Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use	@thanai みんながあまり言わない競プロの利点 Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use	@rute_not_route 【初心者向け】AtCoder Beginner Contest の取り組み方 Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use	@torifukukaiou 競技プログラミングとElixirと私 (2021/12/04) Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use
@malleroid Docker+VSCodeでAtCoder用の開発環境を簡単に作る(Python編) Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use	@amaguri0408 競プロでのデバッグを標準エラー出力で行っているという話 Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use	@Luke02561 競プロ小技集 Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use	@moffy [AtCoder]提出されたコードをコマンドライン上から保存するツールを開発した話 Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use	@84zume AtCoderを途中で離脱せず継続するコツ Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use	@hamayanhamayan 競プロのエコシステムについて Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use	@tomonaka 非プログラマーがやる競技プログラミングについて書きます Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use
@hotpepsi 競プロでいつもやっていること Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use	@meowmeowcats 競技プログラミングのテストケースから読み解くALTAのテスト技法 Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use	@ganyariya 競プロの解説記事を書いてみようというお話 Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use	@uhooi 競プロで使える標準入力の便利メソッド一覧(Swift) Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use	@jinyanakamura データサイエンティストが競プロを始めるメリット Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use	@imuraya 競プロでの自己肯定感の保ち方 Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use	@yassu 一人でabcをやっていたときに気付かなかった知見 Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use
@nanameruby ワナビーだった私からワナビーのみんなへ、競技プログラミングを始めてワナビーから抜け出そうぜって話をします Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use	@KJ0513 Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use	@akiku 競技プログラミングを始めたばかりの業プロerが、競技プログラミングのスタート地点に立つまでの話 Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use	@square1001 アルゴリズムの世界地図 Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use	@TheYoshipiro 競プロと年代別のメリットと、止めどきについて。 Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use	@TumoiYorozu C++入門者向けコード実行エディタをつくった話 Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use	@sakofsuken 122人に聞いた！「競技プログラミングを始めたばかりの人に伝えたいこと」 Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use

	@noritsune AtCoder参加時に自動化で楽をしていること紹介(.NET) Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use
	@thanai みんながあまり言わない競プロの利点 Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use
	@rute_not_route 【初心者向け】AtCoder Beginner Contest の取り組み方 Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use
	@torifukukaiou 競技プログラミングとElixirと私 (2021/12/04) Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use
	@malleroid Docker+VSCodeでAtCoder用の開発環境を簡単に作る(Python編) Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use
	@amaguri0408 競プロでのデバッグを標準エラー出力で行っているという話 Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use
	@Luke02561 競プロ小技集 Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use
	@moffy [AtCoder]提出されたコードをコマンドライン上から保存するツールを開発した話 Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use
	@84zume AtCoderを途中で離脱せず継続するコツ Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use
	@hamayanhamayan 競プロのエコシステムについて Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use
	@tomonaka 非プログラマーがやる競技プログラミングについて書きます Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use
	@hotpepsi 競プロでいつもやっていること Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use
	@meowmeowcats 競技プログラミングのテストケースから読み解くALTAのテスト技法 Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use
	@ganyariya 競プロの解説記事を書いてみようというお話 Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use
	@uhooi 競プロで使える標準入力の便利メソッド一覧(Swift) Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use
	@jinyanakamura データサイエンティストが競プロを始めるメリット Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use
	@imuraya 競プロでの自己肯定感の保ち方 Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use
	@yassu 一人でabcをやっていたときに気付かなかった知見 Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use
	@nanameruby ワナビーだった私からワナビーのみんなへ、競技プログラミングを始めてワナビーから抜け出そうぜって話をします Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use
	@KJ0513 Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use
	@akiku 競技プログラミングを始めたばかりの業プロerが、競技プログラミングのスタート地点に立つまでの話 Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use
	@square1001 アルゴリズムの世界地図 Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use
	@TheYoshipiro 競プロと年代別のメリットと、止めどきについて。 Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use
	@TumoiYorozu C++入門者向けコード実行エディタをつくった話 Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use
	@sakofsuken 122人に聞いた！「競技プログラミングを始めたばかりの人に伝えたいこと」 Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use

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