题目来源
- A: Petrozavodsk Winter 2020. Day 8. Almost Algorithmic Contest, Problem I
- 彼得罗扎沃茨克(Петрозаводск,Petrozavodsk)是俄罗斯卡累利阿共和国(Республика Карелия,Republic of Karelia)首府,位于奥涅加湖畔。
- Petrozavodsk Programming Camp:https://camp.icpc.petrsu.ru/2022w
- https://qoj.ac/contest/448/problem/1462
- B: 2021-2022 ICPC Asia Pacific - Yokohama Regional, Problem E
- 横滨市(横浜市,Yokohama)是位于日本神奈川县东部的都市,Yokohama Regional 属于 ICPC Asia Pacific。
- 随后,被用在了 Moscow Pre-Finals Workshops 2022 Day 4, Problem E.
- https://qoj.ac/contest/912/problem/3798
- C: Petrozavodsk Winter 2022. Day 6. 2022 ICPC Training Camp powered by Huawei — Day 1, Problem F