https://www.luogu.com.cn/contest/142625

source 6fd25d3950d0 · match key luogu.com.cn/contest/142625 · all sources

live

https://www.luogu.com.cn/contest/142625

wayback

calendar of snapshots

roles

judge page

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

shanghai-2020 judge page · Luogu 洛谷 (Luògǔ) — [ICPC2020 Shanghai R] ICPC2020 区域赛上海站重现赛 (judge hunt 2026-11-03: Luogu official-team mirror (重现赛 chóngxiànsài 'replay contest', run 2023-11-05) of 2020 ICPC Asia Shanghai Regional Contest (None); description says original problems+data; catalogue has no problem titles to check (13 problems on judge))

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.

Checks (1)

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.