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比賽歸檔: 2019-2020 Season
| 比賽歸檔 | #(比賽) | #(題目) | |
|---|---|---|---|
| USACO 2019 December Contest (Platinum) | A B C | 3 | |
| USACO 2020 January Contest (Platinum) | A B C | 3 | |
| USACO 2020 February Contest (Platinum) | A B C | 3 | |
| USACO 2020 US Open Contest (Platinum) | A B C | 3 |