diff --git a/.github/workflows/fetch.json.yml b/.github/workflows/fetch.json.yml new file mode 100644 index 0000000..904a15b --- /dev/null +++ b/.github/workflows/fetch.json.yml @@ -0,0 +1,46 @@ +name: Update AtCoder Problems JSON + +on: + schedule: + # 毎週水曜 0:00 UTC（日本時間 9:00） + - cron: "0 0 * * 3" + workflow_dispatch: # 手動実行も可能 + +permissions: + contents: write # push 権限が必要 + +jobs: + update-json: + runs-on: ubuntu-latest + + steps: + - name: Checkout repository + uses: actions/checkout@v4 + with: + token: ${{ secrets.GITHUB_TOKEN }} + + - name: Set up Node.js + uses: actions/setup-node@v3 + with: + node-version: 22 + + - name: Install dependencies + run: npm install + working-directory: data + + - name: Run fetch-json script + run: node data/fetch-json.mjs + working-directory: data + + - name: Commit changes if updated + run: | + git config user.name "github-actions[bot]" + git config user.email "41898282+github-actions[bot]@users.noreply.github.com" + git add data/problems.json data/problem_models.json + if git diff --cached --quiet; then + echo "No changes in JSON files" + else + git commit -m "chore: update problems.json and problem_models.json" + git push + fi + working-directory: data \ No newline at end of file diff --git a/backend/src/api/mod.rs b/backend/src/api/mod.rs index 601d301..f6a9db0 100644 --- a/backend/src/api/mod.rs +++ b/backend/src/api/mod.rs @@ -30,10 +30,10 @@ fn adjust_difficulty(difficulty: Option) -> Option { pub async fn fetch_problem() -> Result<(Vec, HashMap), Box> { // カレントディレクトリ基準で src/data を指す let mut problems_path = PathBuf::from(env!("CARGO_MANIFEST_DIR")); - problems_path.push("src/data/problems.json"); + problems_path.push("../data/problems.json"); let mut problem_models_path = PathBuf::from(env!("CARGO_MANIFEST_DIR")); - problem_models_path.push("src/data/problem-models.json"); + problem_models_path.push("../data/problem-models.json"); // ファイル読み込み let problems_text = fs::read_to_string(problems_path)?; diff --git a/backend/src/data/problems.json b/backend/src/data/problems.json deleted file mode 100644 index d934a81..0000000 --- a/backend/src/data/problems.json +++ /dev/null @@ -1 +0,0 @@ -[{"id":"1202Contest_a","contest_id":"DEGwer2023","problem_index":"A","name":"DEGwer's Doctoral Dissertation","title":"A. DEGwer's Doctoral Dissertation"},{"id":"1202Contest_b","contest_id":"DEGwer2023","problem_index":"B","name":"vs. DEGwer","title":"B. vs. DEGwer"},{"id":"1202Contest_c","contest_id":"DEGwer2023","problem_index":"C","name":"binarydigit","title":"C. binarydigit"},{"id":"1202Contest_d","contest_id":"DEGwer2023","problem_index":"D","name":"Coincidence","title":"D. Coincidence"},{"id":"1202Contest_e","contest_id":"DEGwer2023","problem_index":"E","name":"Half Palindromes","title":"E. Half Palindromes"},{"id":"1202Contest_f","contest_id":"DEGwer2023","problem_index":"F","name":"K-Medians Clustering","title":"F. K-Medians Clustering"},{"id":"1202Contest_g","contest_id":"DEGwer2023","problem_index":"G","name":"Net of Net","title":"G. Net of Net"},{"id":"1202Contest_h","contest_id":"DEGwer2023","problem_index":"H","name":"Incomplete Notes","title":"H. Incomplete Notes"},{"id":"1202Contest_i","contest_id":"DEGwer2023","problem_index":"I","name":"Convex Dombination","title":"I. Convex Dombination"},{"id":"1202Contest_j","contest_id":"DEGwer2023","problem_index":"J","name":"Hated Number","title":"J. Hated Number"},{"id":"1202Contest_k","contest_id":"DEGwer2023","problem_index":"K","name":"± Beam","title":"K. ± Beam"},{"id":"APG4bPython_a","contest_id":"APG4bPython","problem_index":"A","name":"1.00.はじめに","title":"A. 1.00.はじめに"},{"id":"APG4bPython_ak","contest_id":"APG4bPython","problem_index":"AP1","name":"付録1.コードテストの使い方","title":"AP1. 付録1.コードテストの使い方"},{"id":"APG4bPython_al","contest_id":"APG4bPython","problem_index":"AP2","name":"付録2.提出結果の見方","title":"AP2. 付録2.提出結果の見方"},{"id":"APG4bPython_b","contest_id":"APG4bPython","problem_index":"B","name":"1.01.出力とコメント","title":"B. 1.01.出力とコメント"},{"id":"APG4bPython_c","contest_id":"APG4bPython","problem_index":"C","name":"1.02.プログラムの書き方とエラー","title":"C. 1.02.プログラムの書き方とエラー"},{"id":"APG4bPython_cj","contest_id":"APG4bPython","problem_index":"EX13","name":"三人兄弟へのプレゼント","title":"EX13. 三人兄弟へのプレゼント"},{"id":"APG4bPython_ck","contest_id":"APG4bPython","problem_index":"EX12","name":"最速のランナーを見つけよう","title":"EX12. 最速のランナーを見つけよう"},{"id":"APG4bPython_cl","contest_id":"APG4bPython","problem_index":"EX11","name":"足したり引いたり","title":"EX11. 足したり引いたり"},{"id":"APG4bPython_cm","contest_id":"APG4bPython","problem_index":"EX10","name":"平均との差","title":"EX10. 平均との差"},{"id":"APG4bPython_cn","contest_id":"APG4bPython","problem_index":"EX9","name":"電卓をつくろう2","title":"EX9. 電卓をつくろう2"},{"id":"APG4bPython_co","contest_id":"APG4bPython","problem_index":"EX8","name":"たくさんのA足すB問題","title":"EX8. たくさんのA足すB問題"},{"id":"APG4bPython_cp","contest_id":"APG4bPython","problem_index":"EX7","name":"bool値パズル","title":"EX7. bool値パズル"},{"id":"APG4bPython_cq","contest_id":"APG4bPython","problem_index":"EX6","name":"電卓をつくろう","title":"EX6. 電卓をつくろう"},{"id":"APG4bPython_cr","contest_id":"APG4bPython","problem_index":"EX5","name":"A足すB問題","title":"EX5. A足すB問題"},{"id":"APG4bPython_cs","contest_id":"APG4bPython","problem_index":"EX4","name":"◯年は何秒？","title":"EX4. ◯年は何秒？"},{"id":"APG4bPython_ct","contest_id":"APG4bPython","problem_index":"EX3","name":" 計算問題","title":"EX3. 計算問題"},{"id":"APG4bPython_cu","contest_id":"APG4bPython","problem_index":"EX2","name":"エラーの修正","title":"EX2. エラーの修正"},{"id":"APG4bPython_cv","contest_id":"APG4bPython","problem_index":"EX1","name":"コードテストと出力の練習","title":"EX1. コードテストと出力の練習"},{"id":"APG4bPython_d","contest_id":"APG4bPython","problem_index":"D","name":"1.03.四則演算と優先順位","title":"D. 1.03.四則演算と優先順位"},{"id":"APG4bPython_e","contest_id":"APG4bPython","problem_index":"E","name":"1.04.変数と型","title":"E. 1.04.変数と型"},{"id":"APG4bPython_f","contest_id":"APG4bPython","problem_index":"F","name":"1.05.入力","title":"F. 1.05.入力"},{"id":"APG4bPython_g","contest_id":"APG4bPython","problem_index":"G","name":"1.06.if文・比較演算子・論理演算子","title":"G. 1.06.if文・比較演算子・論理演算子"},{"id":"APG4bPython_h","contest_id":"APG4bPython","problem_index":"H","name":"1.07.論理式の値とbool型","title":"H. 1.07.論理式の値とbool型"},{"id":"APG4bPython_i","contest_id":"APG4bPython","problem_index":"I","name":"1.08.while文","title":"I. 1.08.while文"},{"id":"APG4bPython_j","contest_id":"APG4bPython","problem_index":"J","name":"1.09.for文・break・continue","title":"J. 1.09.for文・break・continue"},{"id":"APG4bPython_k","contest_id":"APG4bPython","problem_index":"K","name":"1.10.リスト","title":"K. 1.10.リスト"},{"id":"APG4bPython_l","contest_id":"APG4bPython","problem_index":"L","name":"1.11.文字列","title":"L. 1.11.文字列"},{"id":"APG4bPython_m","contest_id":"APG4bPython","problem_index":"M","name":"1.12.組み込み関数","title":"M. 1.12.組み込み関数"},{"id":"APG4bPython_n","contest_id":"APG4bPython","problem_index":"N","name":"1.13.関数","title":"N. 1.13.関数"},{"id":"APG4b_a","contest_id":"APG4b","problem_index":"A","name":"1.00.はじめに","title":"A. 1.00.はじめに"},{"id":"APG4b_bw","contest_id":"APG4b","problem_index":"EX26","name":"3.06","title":"EX26. 3.06"},{"id":"APG4b_bx","contest_id":"APG4b","problem_index":"EX25","name":"3.05","title":"EX25. 3.05"},{"id":"APG4b_by","contest_id":"APG4b","problem_index":"EX24","name":"3.04","title":"EX24. 3.04"},{"id":"APG4b_bz","contest_id":"APG4b","problem_index":"EX23","name":"3.03","title":"EX23. 3.03"},{"id":"APG4b_ca","contest_id":"APG4b","problem_index":"EX22","name":"3.02","title":"EX22. 3.02"},{"id":"APG4b_cb","contest_id":"APG4b","problem_index":"EX21","name":"2.06","title":"EX21. 2.06"},{"id":"APG4b_cc","contest_id":"APG4b","problem_index":"EX20","name":"2.05","title":"EX20. 2.05"},{"id":"APG4b_cd","contest_id":"APG4b","problem_index":"EX19","name":"2.04","title":"EX19. 2.04"},{"id":"APG4b_ce","contest_id":"APG4b","problem_index":"EX18","name":"2.03","title":"EX18. 2.03"},{"id":"APG4b_cf","contest_id":"APG4b","problem_index":"EX17","name":"2.02","title":"EX17. 2.02"},{"id":"APG4b_cg","contest_id":"APG4b","problem_index":"EX16","name":"2.01","title":"EX16. 2.01"},{"id":"APG4b_ch","contest_id":"APG4b","problem_index":"EX15","name":"1.15","title":"EX15. 1.15"},{"id":"APG4b_ci","contest_id":"APG4b","problem_index":"EX14","name":"1.14","title":"EX14. 1.14"},{"id":"APG4b_cj","contest_id":"APG4b","problem_index":"EX13","name":"1.13","title":"EX13. 1.13"},{"id":"APG4b_ck","contest_id":"APG4b","problem_index":"EX12","name":"1.12","title":"EX12. 1.12"},{"id":"APG4b_cl","contest_id":"APG4b","problem_index":"EX11","name":"1.11","title":"EX11. 1.11"},{"id":"APG4b_cm","contest_id":"APG4b","problem_index":"EX10","name":"1.10","title":"EX10. 1.10"},{"id":"APG4b_cn","contest_id":"APG4b","problem_index":"EX9","name":"1.09","title":"EX9. 1.09"},{"id":"APG4b_co","contest_id":"APG4b","problem_index":"EX8","name":"1.08","title":"EX8. 1.08"},{"id":"APG4b_cp","contest_id":"APG4b","problem_index":"EX7","name":"1.07","title":"EX7. 1.07"},{"id":"APG4b_cq","contest_id":"APG4b","problem_index":"EX6","name":"1.06","title":"EX6. 1.06"},{"id":"APG4b_cr","contest_id":"APG4b","problem_index":"EX5","name":"1.05","title":"EX5. 1.05"},{"id":"APG4b_cs","contest_id":"APG4b","problem_index":"EX4","name":"1.04","title":"EX4. 1.04"},{"id":"APG4b_ct","contest_id":"APG4b","problem_index":"EX3","name":"1.03","title":"EX3. 1.03"},{"id":"APG4b_cu","contest_id":"APG4b","problem_index":"EX2","name":"1.02","title":"EX2. 1.02"},{"id":"APG4b_cv","contest_id":"APG4b","problem_index":"EX1","name":"1.01","title":"EX1. 1.01"},{"id":"abc001_1","contest_id":"abc001","problem_index":"A","name":"積雪深差","title":"A. 積雪深差"},{"id":"abc001_2","contest_id":"abc001","problem_index":"B","name":"視程の通報","title":"B. 視程の通報"},{"id":"abc001_3","contest_id":"abc001","problem_index":"C","name":"風力観測","title":"C. 風力観測"},{"id":"abc001_4","contest_id":"abc001","problem_index":"D","name":"感雨時刻の整理","title":"D. 感雨時刻の整理"},{"id":"abc002_1","contest_id":"abc002","problem_index":"A","name":"正直者","title":"A. 正直者"},{"id":"abc002_2","contest_id":"abc002","problem_index":"B","name":"罠","title":"B. 罠"},{"id":"abc002_3","contest_id":"abc002","problem_index":"C","name":"直訴","title":"C. 直訴"},{"id":"abc002_4","contest_id":"abc002","problem_index":"D","name":"派閥","title":"D. 派閥"},{"id":"abc003_1","contest_id":"abc003","problem_index":"A","name":"AtCoder社の給料","title":"A. AtCoder社の給料"},{"id":"abc003_2","contest_id":"abc003","problem_index":"B","name":"AtCoderトランプ","title":"B. AtCoderトランプ"},{"id":"abc003_3","contest_id":"abc003","problem_index":"C","name":"AtCoderプログラミング講座","title":"C. AtCoderプログラミング講座"},{"id":"abc003_4","contest_id":"abc003","problem_index":"D","name":"AtCoder社の冬","title":"D. AtCoder社の冬"},{"id":"abc004_1","contest_id":"abc004","problem_index":"A","name":"流行","title":"A. 流行"},{"id":"abc004_2","contest_id":"abc004","problem_index":"B","name":"回転","title":"B. 回転"},{"id":"abc004_3","contest_id":"abc004","problem_index":"C","name":"入れ替え","title":"C. 入れ替え"},{"id":"abc004_4","contest_id":"abc004","problem_index":"D","name":"マーブル","title":"D. マーブル"},{"id":"abc005_1","contest_id":"abc005","problem_index":"A","name":"おいしいたこ焼きの作り方","title":"A. おいしいたこ焼きの作り方"},{"id":"abc005_2","contest_id":"abc005","problem_index":"B","name":"おいしいたこ焼きの食べ方","title":"B. おいしいたこ焼きの食べ方"},{"id":"abc005_3","contest_id":"abc005","problem_index":"C","name":"おいしいたこ焼きの売り方","title":"C. おいしいたこ焼きの売り方"},{"id":"abc005_4","contest_id":"abc005","problem_index":"D","name":"おいしいたこ焼きの焼き方","title":"D. おいしいたこ焼きの焼き方"},{"id":"abc006_1","contest_id":"abc006","problem_index":"A","name":"世界のFizzBuzz","title":"A. 世界のFizzBuzz"},{"id":"abc006_2","contest_id":"abc006","problem_index":"B","name":"トリボナッチ数列","title":"B. トリボナッチ数列"},{"id":"abc006_3","contest_id":"abc006","problem_index":"C","name":"スフィンクスのなぞなぞ","title":"C. スフィンクスのなぞなぞ"},{"id":"abc006_4","contest_id":"abc006","problem_index":"D","name":"トランプ挿入ソート","title":"D. トランプ挿入ソート"},{"id":"abc007_1","contest_id":"abc007","problem_index":"A","name":"植木算","title":"A. 植木算"},{"id":"abc007_2","contest_id":"abc007","problem_index":"B","name":"辞書式順序","title":"B. 辞書式順序"},{"id":"abc007_3","contest_id":"atc002","problem_index":"A","name":"幅優先探索","title":"A. 幅優先探索"},{"id":"abc007_4","contest_id":"abc007","problem_index":"D","name":"禁止された数字","title":"D. 禁止された数字"},{"id":"abc008_1","contest_id":"abc008","problem_index":"A","name":"アルバム","title":"A. アルバム"},{"id":"abc008_2","contest_id":"abc008","problem_index":"B","name":"投票","title":"B. 投票"},{"id":"abc008_3","contest_id":"abc008","problem_index":"C","name":"コイン","title":"C. コイン"},{"id":"abc008_4","contest_id":"abc008","problem_index":"D","name":"金塊ゲーム","title":"D. 金塊ゲーム"},{"id":"abc009_1","contest_id":"abc009","problem_index":"A","name":"引越し作業","title":"A. 引越し作業"},{"id":"abc009_2","contest_id":"abc009","problem_index":"B","name":"心配性な富豪、ファミリーレストランに行く。","title":"B. 心配性な富豪、ファミリーレストランに行く。"},{"id":"abc009_3","contest_id":"abc009","problem_index":"C","name":"辞書式順序ふたたび","title":"C. 辞書式順序ふたたび"},{"id":"abc009_4","contest_id":"abc009","problem_index":"D","name":"漸化式","title":"D. 漸化式"},{"id":"abc010_1","contest_id":"abc010","problem_index":"A","name":"ハンドルネーム","title":"A. ハンドルネーム"},{"id":"abc010_2","contest_id":"abc010","problem_index":"B","name":"花占い","title":"B. 花占い"},{"id":"abc010_3","contest_id":"abc010","problem_index":"C","name":"浮気調査","title":"C. 浮気調査"},{"id":"abc010_4","contest_id":"abc010","problem_index":"D","name":"浮気予防","title":"D. 浮気予防"},{"id":"abc011_1","contest_id":"abc011","problem_index":"A","name":"来月は何月？","title":"A. 来月は何月？"},{"id":"abc011_2","contest_id":"abc011","problem_index":"B","name":"名前の確認","title":"B. 名前の確認"},{"id":"abc011_3","contest_id":"abc011","problem_index":"C","name":"123引き算","title":"C. 123引き算"},{"id":"abc011_4","contest_id":"abc011","problem_index":"D","name":"大ジャンプ","title":"D. 大ジャンプ"},{"id":"abc012_1","contest_id":"abc012","problem_index":"A","name":"スワップ","title":"A. スワップ"},{"id":"abc012_2","contest_id":"abc012","problem_index":"B","name":"入浴時間","title":"B. 入浴時間"},{"id":"abc012_3","contest_id":"abc012","problem_index":"C","name":"九九足し算","title":"C. 九九足し算"},{"id":"abc012_4","contest_id":"abc012","problem_index":"D","name":"バスと避けられない運命","title":"D. バスと避けられない運命"},{"id":"abc013_1","contest_id":"abc013","problem_index":"A","name":"A","title":"A. A"},{"id":"abc013_2","contest_id":"abc013","problem_index":"B","name":"錠","title":"B. 錠"},{"id":"abc013_3","contest_id":"abc013","problem_index":"C","name":"節制","title":"C. 節制"},{"id":"abc013_4","contest_id":"abc013","problem_index":"D","name":"阿弥陀","title":"D. 阿弥陀"},{"id":"abc014_1","contest_id":"abc014","problem_index":"A","name":"けんしょう先生のお菓子配り","title":"A. けんしょう先生のお菓子配り"},{"id":"abc014_2","contest_id":"abc014","problem_index":"B","name":"価格の合計","title":"B. 価格の合計"},{"id":"abc014_3","contest_id":"abc014","problem_index":"C","name":"AtColor","title":"C. AtColor"},{"id":"abc014_4","contest_id":"abc014","problem_index":"D","name":"閉路","title":"D. 閉路"},{"id":"abc015_1","contest_id":"abc015","problem_index":"A","name":"高橋くんの研修","title":"A. 高橋くんの研修"},{"id":"abc015_2","contest_id":"abc015","problem_index":"B","name":"高橋くんの集計","title":"B. 高橋くんの集計"},{"id":"abc015_3","contest_id":"abc015","problem_index":"C","name":"高橋くんのバグ探し","title":"C. 高橋くんのバグ探し"},{"id":"abc015_4","contest_id":"abc015","problem_index":"D","name":"高橋くんの苦悩","title":"D. 高橋くんの苦悩"},{"id":"abc016_1","contest_id":"abc016","problem_index":"A","name":"12月6日","title":"A. 12月6日"},{"id":"abc016_2","contest_id":"abc016","problem_index":"B","name":"A±B Problem","title":"B. 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JOI国のお散歩事情 (Walking in JOI Kingdom)"},{"id":"joi2016yo_e","contest_id":"joi2016yo","problem_index":"E","name":"ゾンビ島 (Zombie Island)","title":"E. ゾンビ島 (Zombie Island)"},{"id":"joi2016yo_f","contest_id":"joi2016yo","problem_index":"F","name":"屋台 (Food stalls)","title":"F. 屋台 (Food stalls)"},{"id":"joi2017ho_a","contest_id":"joi2017ho","problem_index":"A","name":"フェーン現象 (Foehn Phenomena)","title":"A. フェーン現象 (Foehn Phenomena)"},{"id":"joi2017ho_b","contest_id":"joi2017ho","problem_index":"B","name":"準急電車 (Semiexpress)","title":"B. 準急電車 (Semiexpress)"},{"id":"joi2017ho_c","contest_id":"joi2017ho","problem_index":"C","name":"JOIOI 王国 (Kingdom of JOIOI)","title":"C. 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UFOの飛行場 (UFO)"},{"id":"joisc2011_ufo2","contest_id":"joisc2011","problem_index":"ufo2","name":"UFOの飛行場 (UFO)","title":"ufo2. UFOの飛行場 (UFO)"},{"id":"joisc2011_ufo3","contest_id":"joisc2011","problem_index":"ufo3","name":"UFOの飛行場 (UFO)","title":"ufo3. UFOの飛行場 (UFO)"},{"id":"joisc2011_ufo4","contest_id":"joisc2011","problem_index":"ufo4","name":"UFOの飛行場 (UFO)","title":"ufo4. UFOの飛行場 (UFO)"},{"id":"joisc2011_ufo5","contest_id":"joisc2011","problem_index":"ufo5","name":"UFOの飛行場 (UFO)","title":"ufo5. 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Encounter and Farewell"}] \ No newline at end of file diff --git a/data/json_fetch.mjs b/data/json_fetch.mjs new file mode 100644 index 0000000..4b7587f --- /dev/null +++ b/data/json_fetch.mjs @@ -0,0 +1,37 @@ +import { mkdir, writeFile, access } from "node:fs/promises"; +import { constants } from "node:fs"; + +const DATA_DIR = "."; // 保存先ディレクトリ +const UA = "Mozilla/5.0 (atrp-updater; +https://example.com)"; + +const endpoints = [ + ["problems.json", "https://kenkoooo.com/atcoder/resources/problems.json"], + ["problem_models.json", "https://kenkoooo.com/atcoder/resources/problem-models.json"], +]; + +async function ensureDir(dir) { + try { + await access(dir, constants.F_OK); + } catch { + await mkdir(dir, { recursive: true }); + } +} + +async function download([filename, url]) { + const res = await fetch(url, { headers: { "User-Agent": UA } }); + if (!res.ok) { + throw new Error(`HTTP ${res.status} for ${url}`); + } + + const arrBuf = await res.arrayBuffer(); + const buf = Buffer.from(arrBuf); + await writeFile(`${DATA_DIR}/${filename}`, buf); + console.log(`Saved: ${DATA_DIR}/${filename}`); +} + +(async () => { + await ensureDir(DATA_DIR); + for (const ep of endpoints) { + await download(ep); + } +})(); diff --git a/backend/src/data/problem-models.json b/data/problem-models.json similarity index 100% rename from backend/src/data/problem-models.json rename to data/problem-models.json diff --git a/data/problems.json b/data/problems.json new file mode 100644 index 0000000..c1eb86e --- /dev/null +++ b/data/problems.json @@ -0,0 +1 @@ +[{"id":"1202Contest_a","contest_id":"DEGwer2023","problem_index":"A","name":"DEGwer's Doctoral Dissertation","title":"A. 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JOI国のお散歩事情 (Walking in JOI Kingdom)"},{"id":"joi2016yo_e","contest_id":"joi2016yo","problem_index":"E","name":"ゾンビ島 (Zombie Island)","title":"E. ゾンビ島 (Zombie Island)"},{"id":"joi2016yo_f","contest_id":"joi2016yo","problem_index":"F","name":"屋台 (Food stalls)","title":"F. 屋台 (Food stalls)"},{"id":"joi2017ho_a","contest_id":"joi2017ho","problem_index":"A","name":"フェーン現象 (Foehn Phenomena)","title":"A. フェーン現象 (Foehn Phenomena)"},{"id":"joi2017ho_b","contest_id":"joi2017ho","problem_index":"B","name":"準急電車 (Semiexpress)","title":"B. 準急電車 (Semiexpress)"},{"id":"joi2017ho_c","contest_id":"joi2017ho","problem_index":"C","name":"JOIOI 王国 (Kingdom of JOIOI)","title":"C. 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UFOの飛行場 (UFO)"},{"id":"joisc2011_ufo2","contest_id":"joisc2011","problem_index":"ufo2","name":"UFOの飛行場 (UFO)","title":"ufo2. UFOの飛行場 (UFO)"},{"id":"joisc2011_ufo3","contest_id":"joisc2011","problem_index":"ufo3","name":"UFOの飛行場 (UFO)","title":"ufo3. UFOの飛行場 (UFO)"},{"id":"joisc2011_ufo4","contest_id":"joisc2011","problem_index":"ufo4","name":"UFOの飛行場 (UFO)","title":"ufo4. UFOの飛行場 (UFO)"},{"id":"joisc2011_ufo5","contest_id":"joisc2011","problem_index":"ufo5","name":"UFOの飛行場 (UFO)","title":"ufo5. 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