Open Cup 资源整理

参考 https://codeforces.com/blog/entry/84466。

目前还没整理完，鸽着。

XXII Open Cup

• Grand Prix of Dolgoprudny
  • Source: Petrozavodsk Summer 2021, Day 7: MIPT Contest
  • Upsolving Link: Baekjoon QOJ Yandex
  • Material: Statement Tutorial Discuss
• Grand Prix of IMO
  • Source: Petrozavodsk Summer 2021, Day 3: IQ test by kefaa2, antontrygubO_o, and gepardo
  • Upsolving Link: Baekjoon QOJ Yandex
  • Material: Statement Tutorial Discuss