https://icpcarchive.github.io/North%20America%20Contests/North%20Central%20Regional%20Contest/2021%20North%20Central%20Regional%20Contest/problems.pdf
source f0ef0bdd130c · match key icpcarchive.github.io/north%20america%20contests/north%20central%20regional%20contest/2021%20north%20central%20regional%20contest/problems.pdf · all sources
- live
- https://icpcarchive.github.io/North%20America%20Contests/North%20Central%20Regional%20Contest/2021%20North%20Central%20Regional%20Contest/problems.pdf
- wayback
- calendar of snapshots
- roles
- problem set
- health
- live checked 2026-11-03 — mentions year 2021±1 (no snapshot to compare)
live: the address still serves the contest-era content (identical or ≥75% similar to the near-contest snapshot, or mentions the contest year) - referenced by
- ncna-2021 problem set
Snapshots (1)
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.
2026-11-02 05:21 live held f0ef0bdd130c@20261102052149
- wayback
- snapshot nearest 2026-11-02 05:21
- artifacts
- problemset
| contest | artifact | fetched | via | fetched from | type | size | sha256 | path | links |
|---|---|---|---|---|---|---|---|---|---|
| ncna-2021 | problemset | 2026-11-02 05:21 | live | https://icpcarchive.github.io/North%20America%20Contests/North%20Central%20Regional%20Con… | application/pdf | 1393358 | ba2e984038a9be5b | ncna/ncna-2021/problemset/20261101-live-9e1911ac/problems.pdf | raw |
Checks (2)
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 | live: mentions year 2021±1 (no snapshot to compare) |
| 2026-11-03 | live | content | live: mentions year 2021±1 (no snapshot to compare) |