https://icpcarchive.github.io/ICPC-World-Finals/1991-ICPC-World-Finals/1991WorldFinalProblemSet.pdf
source a225378132e9 · match key icpcarchive.github.io/icpc-world-finals/1991-icpc-world-finals/1991worldfinalproblemset.pdf · all sources
- live
- https://icpcarchive.github.io/ICPC-World-Finals/1991-ICPC-World-Finals/1991WorldFinalProblemSet.pdf
- wayback
- calendar of snapshots
- roles
- problem set
- health
- changed checked 2026-11-03 — never mentions year 1991±1 (no snapshot to compare)
changed: same place, drifted content (30–75% similar to the snapshot, never mentions the year, or a JS shell / login wall) - referenced by
- wf-1991 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 15:32 live held a225378132e9@20261102153252
- wayback
- snapshot nearest 2026-11-02 15:32
- artifacts
- problemset
| contest | artifact | fetched | via | fetched from | type | size | sha256 | path | links |
|---|---|---|---|---|---|---|---|---|---|
| wf-1991 | problemset | 2026-11-02 15:32 | live | https://icpcarchive.github.io/ICPC-World-Finals/1991-ICPC-World-Finals/1991WorldFinalProb… | application/pdf | 42310 | 38d72dd564e516b2 | wf/wf-1991/problemset/20261102-live-7ad17294/1991WorldFinalProblemSet.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 | changed: never mentions year 1991±1 (no snapshot to compare) |
| 2026-11-03 | live | content | changed: never mentions year 1991±1 (no snapshot to compare) |