https://open.kattis.com/problem-sources/2021%20ICPC%20North%20American%20Qualifier%20Contest%20%28Jan%202022%29
source af481eaca2f5 · match key open.kattis.com/problem-sources/2021%20icpc%20north%20american%20qualifier%20contest%20%28jan%202022%29 · all sources
- live
- https://open.kattis.com/problem-sources/2021%20ICPC%20North%20American%20Qualifier%20Contest%20%28Jan%202022%29
- wayback
- calendar of snapshots
- roles
- problem setjudge page
- health
- replaced checked 2026-11-03 — snapshot similarity 0.25
replaced: something else lives there now (redirects off-host, or <30% similar to the snapshot) — use wayback/archived
- referenced by
- naq-2021 problem set as of 2022-06-29 01:40
Snapshots (3)
One entry per time this address is known at: Wayback snapshots we captured, our live fetches, and times the catalogue declares (as_of) without a capture. Each capture is our stored copy, with its provenance.
2022-06-29 01:40 wayback held af481eaca2f5@20220629014045
- wayback
- snapshot nearest 2022-06-29 01:40
- artifacts
- judge-kattis · problemset
- referenced by
- naq-2021 problem set
- consistency
- all captures hash identically — the same content was fetched each time
Checks (3)
Every time this address was looked at and what came back. A check that found no content is a record of the attempt, not a snapshot.
| when | via | outcome | evidence |
|---|
| 2026-11-02 | live | content | replaced: snapshot similarity 0.25 |
| 2026-11-02 | live | content | live: mentions year 2021±1 (no snapshot to compare) |
| 2026-11-03 | live | content | replaced: snapshot similarity 0.25 |