https://codeforces.com/gym/100765

source 53c078e78e71 · match key codeforces.com/gym/100765 · all sources

live: https://codeforces.com/gym/100765
wayback: calendar of snapshots
roles: problem set
health: changed checked 2026-11-03 — snapshot similarity 0.57
changed: same place, drifted content (30–75% similar to the snapshot, never mentions the year, or a JS shell / login wall)
referenced by: south-russia-2005 problem set as of 2021-05-06 18:23

Snapshots (2)

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.

2021-05-06 18:23 wayback held 53c078e78e71@20210506182315

wayback: snapshot nearest 2021-05-06 18:23
artifacts: problemset
referenced by: south-russia-2005 problem set

contest	artifact	fetched	via	fetched from	type	size	sha256	path	links
south-russia-2005	problemset	2026-11-02 15:39	wayback	https://web.archive.org/web/20210506182315id_/https://codeforces.com/gym/100765	text/html	126526	`c8a88830b66d54cd`	south-russia/south-russia-2005/problemset/20210506-wayback-57942172/page.html	raw

2026-11-02 15:38 live held 53c078e78e71@20261102153849

wayback: snapshot nearest 2026-11-02 15:38
artifacts: problemset

contest	artifact	fetched	via	fetched from	type	size	sha256	path	links
south-russia-2005	problemset	2026-11-02 15:38	live	https://codeforces.com/gym/100765	text/html	133112	`40e2c3269948def6`	south-russia/south-russia-2005/problemset/20261102-live-6a5236af/page.html	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: snapshot similarity 0.57
2026-11-03	live	content	changed: snapshot similarity 0.57