This dataset holds ICPC World Finals problem statements and test data, which are © ICPC Foundation and carry no open licence. It is shared only with collaborators of the insight-generation research project, for research use, and requests are reviewed by hand.

ICPC insight bank — v0.1

Problems for studying insights: short hints that let an open model solve a competitive-programming problem it otherwise struggles with, and whether those hints carry over to related problems.

This release holds 24 ICPC World Finals problems (2021–2025), the set the project's first insight experiments ran on. They are repackaged so that they download in a few pieces and unpack into exactly the tree the evaluation harness reads. 22 of them are distinct problems; repeated across the 2022 and 2023 Finals: 2022/P-turning-red = 2023/G-turning-red; 2022/T-carls-vacation = 2023/D-carls-vacation.

What is inside

path	contents
`packages/<contest>/<L>-<slug>.tar`	one problem: statement (text and PDF), samples and secret tests, a reference solution, a solution write-up
`verify/_verify.tar`	the judging config and the checkers (4 problems need a checker or an interactor)
`metadata/problems.jsonl`	one row per problem: limits and judging mode as the harness resolves them, test counts, rights, duplicate cluster
`metadata/runs.jsonl`	the earlier selection runs: Nemotron-Cascade-2-30B-A3B, no insight, 3 seeds, 7200 s clock
`manifests/checksums.sha256`	a hash for every file, which the fetch script checks after unpacking

Problems

id	title	judging	time limit	secret tests
`2021/A-crystal-crosswind`	Crystal Crosswind	exact	5 s	27
`2021/C-fair-division`	Fair Division	exact	3 s	70
`2021/E-hand-of-the-free-marked`	Hand of the Free Marked	absolute_tol(1e-09)	2 s	64
`2021/G-mosaic-browsing`	Mosaic Browsing	exact	6 s	42
`2021/H-prehistoric-programs`	Prehistoric Programs	custom	6 s	76
`2021/J-splitstream`	Splitstream	exact	3 s	69
`2021/L-where-am-i`	Where Am I?	absolute_tol(0.001)	2 s	146
`2022/P-turning-red`	Turning Red	exact	3 s	29
`2022/T-carls-vacation`	Carl’s Vacation	tol(1e-06)	1 s	44
`2022/Y-compression`	Compression	exact	1 s	30
`2023/A-riddle-of-the-sphinx`	Riddle of the Sphinx	interactive	2 s	48
`2023/D-carls-vacation`	Carl’s Vacation	tol(1e-06)	1 s	44
`2023/G-turning-red`	Turning Red	exact	3 s	29
`2023/K-alea-iacta-est`	Alea Iacta Est	tol(1e-06)	10 s	23
`2024/C-citizenship`	Citizenship	exact	4 s	38
`2024/F-friendly-rivalry`	Friendly Rivalry	custom	2 s	37
`2024/I-steppe-on-it`	Steppe on It	exact	3 s	86
`2025/C-bride-of-pipe-stream`	Bride of Pipe Stream	absolute_tol(1e-06)	12 s	80
`2025/D-buggy-rover`	Buggy Rover	exact	2 s	23
`2025/E-delivery-service`	Delivery Service	exact	12 s	24
`2025/F-herding-cats`	Herding Cats	exact	2 s	47
`2025/J-stacking-cups`	Stacking Cups	custom	2 s	134
`2025/K-treasure-map`	Treasure Map	exact	4 s	50
`2025/L-walking-on-sunshine`	Walking on Sunshine	tol(1e-07)	2 s	53

Use

python3 dataset/fetch.py --repo yudduy/icpc-bank --revision v0.1 --dest data/problems
export WF_ARCHIVE=$PWD/data/problems

dataset/ lives in the project repository. Pin --revision, so that every run names the version of the bank it used.

Rights

ICPC World Finals statements and test data are © ICPC Foundation. No open licence is granted, and Kattis lists these problems as "Restricted, used with permission". They are shared here only with approved collaborators, for research; do not redistribute them. The solution write-ups are community-written and unattributed.

Roadmap

Version 1.0 adds more World Finals years and regional contests, technique labels, families of related problems with held-out members, rewrites of each problem with a new story but the same specification, and a sealed set of problems released after the model — the pieces needed to test whether an insight generalizes.

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