https://icpcarchive.github.io/North%20America%20Contests/North%20Central%20Regional%20Contest/2020%20North%20Central%20Regional%20Contest/problems.pdf

source e9065a6e8ac9 · match key icpcarchive.github.io/north%20america%20contests/north%20central%20regional%20contest/2020%20north%20central%20regional%20contest/problems.pdf · all sources

live
https://icpcarchive.github.io/North%20America%20Contests/North%20Central%20Regional%20Contest/2020%20North%20Central%20Regional%20Contest/problems.pdf
wayback
calendar of snapshots
roles
problem set
health
live checked 2026-11-03 — mentions year 2020±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-2020 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 e9065a6e8ac9@20261102052148

wayback
snapshot nearest 2026-11-02 05:21
artifacts
problemset
contestartifactfetchedviafetched fromtypesizesha256pathlinks
ncna-2020problemset 2026-11-02 05:21livehttps://icpcarchive.github.io/North%20America%20Contests/North%20Central%20Regional%20Con…application/pdf1925604f9d2fec549a5d61ancna/ncna-2020/problemset/20261101-live-75c8c273/problems.pdfraw

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.

whenviaoutcomeevidence
2026-11-02livecontentlive: mentions year 2020±1 (no snapshot to compare)
2026-11-03livecontentlive: mentions year 2020±1 (no snapshot to compare)