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KATO-Hiro merged 3 commits into from
Oct 11, 2026
Merged

feat: add tasks for ARC-like contests #4143

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853f931
feat: add ARC-like contests (diverta2019-2, nikkei2019-2-qual, ddcc20…
KATO-Hiro Oct 11, 2026
b58cc40
docs: simplify add-arc-like-contests plan
KATO-Hiro Oct 11, 2026
cb44b3d
docs: remove add-arc-like-contests plan
KATO-Hiro Oct 11, 2026
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126 changes: 126 additions & 0 deletions prisma/tasks.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -8256,6 +8256,132 @@ export const tasks = [
name: 'Reachable Towns',
title: 'A. Reachable Towns',
},
{
id: 'ddcc2020_qual_f',
contest_id: 'ddcc2020-qual',
problem_index: 'F',
name: 'DISCOSMOS',
title: 'F. DISCOSMOS',
},
{
id: 'ddcc2020_qual_e',
contest_id: 'ddcc2020-qual',
problem_index: 'E',
name: 'Majority of Balls',
title: 'E. Majority of Balls',
},
{
id: 'ddcc2020_qual_d',
contest_id: 'ddcc2020-qual',
problem_index: 'D',
name: 'Digit Sum Replace',
title: 'D. Digit Sum Replace',
},
{
id: 'ddcc2020_qual_c',
contest_id: 'ddcc2020-qual',
problem_index: 'C',
name: 'Strawberry Cakes',
title: 'C. Strawberry Cakes',
},
{
id: 'ddcc2020_qual_b',
contest_id: 'ddcc2020-qual',
problem_index: 'B',
name: 'Iron Bar Cutting',
title: 'B. Iron Bar Cutting',
},
{
id: 'ddcc2020_qual_a',
contest_id: 'ddcc2020-qual',
problem_index: 'A',
name: 'DDCC Finals',
title: 'A. DDCC Finals',
},
{
id: 'nikkei2019_2_qual_f',
contest_id: 'nikkei2019-2-qual',
problem_index: 'F',
name: 'Mirror Frame',
title: 'F. Mirror Frame',
},
{
id: 'nikkei2019_2_qual_e',
contest_id: 'nikkei2019-2-qual',
problem_index: 'E',
name: 'Non-triangular Triplets',
title: 'E. Non-triangular Triplets',
},
{
id: 'nikkei2019_2_qual_d',
contest_id: 'nikkei2019-2-qual',
problem_index: 'D',
name: 'Shortest Path on a Line',
title: 'D. Shortest Path on a Line',
},
{
id: 'nikkei2019_2_qual_c',
contest_id: 'nikkei2019-2-qual',
problem_index: 'C',
name: 'Swaps',
title: 'C. Swaps',
},
{
id: 'nikkei2019_2_qual_b',
contest_id: 'nikkei2019-2-qual',
problem_index: 'B',
name: 'Counting of Trees',
title: 'B. Counting of Trees',
},
{
id: 'nikkei2019_2_qual_a',
contest_id: 'nikkei2019-2-qual',
problem_index: 'A',
name: 'Sum of Two Integers',
title: 'A. Sum of Two Integers',
},
{
id: 'diverta2019_2_f',
contest_id: 'diverta2019-2',
problem_index: 'F',
name: 'Diverta City',
title: 'F. Diverta City',
},
{
id: 'diverta2019_2_e',
contest_id: 'diverta2019-2',
problem_index: 'E',
name: 'Balanced Piles',
title: 'E. Balanced Piles',
},
{
id: 'diverta2019_2_d',
contest_id: 'diverta2019-2',
problem_index: 'D',
name: 'Squirrel Merchant',
title: 'D. Squirrel Merchant',
},
{
id: 'diverta2019_2_c',
contest_id: 'diverta2019-2',
problem_index: 'C',
name: 'Successive Subtraction',
title: 'C. Successive Subtraction',
},
{
id: 'diverta2019_2_b',
contest_id: 'diverta2019-2',
problem_index: 'B',
name: 'Picking Up',
title: 'B. Picking Up',
},
{
id: 'diverta2019_2_a',
contest_id: 'diverta2019-2',
problem_index: 'A',
name: 'Ball Distribution',
title: 'A. Ball Distribution',
},
{
id: 'tenka1_2019_f',
contest_id: 'tenka1-2019',
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12 changes: 12 additions & 0 deletions src/lib/contests/fixtures/contest_type.ts
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Expand Up @@ -300,6 +300,10 @@ export const arcLike = [
contestId: 'diverta2019',
expected: ContestType.ARC_LIKE,
}),
createTestCaseForContestType('diverta 2019 Programming Contest 2')({
contestId: 'diverta2019-2',
expected: ContestType.ARC_LIKE,
}),
createTestCaseForContestType('KEYENCE2019')({
contestId: 'keyence2019',
expected: ContestType.ARC_LIKE,
Expand All @@ -320,6 +324,14 @@ export const arcLike = [
contestId: 'nikkei2019-qual',
expected: ContestType.ARC_LIKE,
}),
createTestCaseForContestType('NIKKEI2019-2 QUAL')({
contestId: 'nikkei2019-2-qual',
expected: ContestType.ARC_LIKE,
}),
createTestCaseForContestType('DDCC2020 QUAL')({
contestId: 'ddcc2020-qual',
expected: ContestType.ARC_LIKE,
}),
createTestCaseForContestType('ACL1')({
contestId: 'acl1',
expected: ContestType.ARC_LIKE,
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6 changes: 5 additions & 1 deletion src/lib/contests/utils/prefixes.ts
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Expand Up @@ -3,8 +3,9 @@ import type { ContestPrefix } from '$lib/contests/types/contest';
export const regexForJag = /^JAG(Prelim|Regional|Summer|Winter|Spring)\d{4}(-day\d+)?[A-Z]?$/;
export const regexForAojUniversity = /^AOJ-[A-Z]+PC\d{4}/;

// HACK: As of December 2025, the following contests are applicable.
// HACK: As of October 2026, the following contests are applicable.
// Note: The classification logic may need to be revised when new contests are added.
// ABC_LIKE / ARC_LIKE: exact match — add sequels (e.g. diverta2019-2) explicitly. Others: prefix match.
export const ABC_LIKE: ContestPrefix = {
'tenka1-2017-beginner': 'Tenka1 Programmer Beginner Contest 2017',
abl: 'ACL Beginner Contest',
Expand All @@ -31,11 +32,14 @@ export const ARC_LIKE: ContestPrefix = {
'dwacon5th-prelims': '第5回 ドワンゴからの挑戦状 予選',
'dwacon6th-prelims': '第6回 ドワンゴからの挑戦状 予選',
diverta2019: 'diverta 2019 Programming Contest',
'diverta2019-2': 'diverta 2019 Programming Contest 2',
keyence2019: 'キーエンス プログラミング コンテスト 2019',
keyence2020: 'キーエンス プログラミング コンテスト 2020',
keyence2021: 'キーエンス プログラミング コンテスト 2021',
'jsc2019-qual': '第一回日本最強プログラマー学生選手権-予選-',
'nikkei2019-qual': '全国統一プログラミング王決定戦予選',
'nikkei2019-2-qual': '第二回全国統一プログラミング王決定戦予選',
'ddcc2020-qual': 'DISCO presents ディスカバリーチャンネル コードコンテスト2020 予選',
acl1: 'ACL Contest 1',
} as const;

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