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| ID | 题目 显示标签 隐藏标签 | AC / 尝试 | 难度 | |
|---|---|---|---|---|
| 8105 | ATagc052b [AGC052B] Tree Edges XOR | 1 / 1 | 10 | |
| 227 | ATarc161c [ARC161C] Dyed by Majority (Odd Tree) | 3 / 8 | 10 | |
| 11519 | ATarc169a [ARC169A] Please Sign | 1 / 1 | 10 | |
| 6941 | lg1701 [USACO19OPEN] Cow Evolution B | 7 / 50 | 8 | |
| 2583 | lg11840 *【树上模拟】确定学生编号[USACO25FEB] Vocabulary Quiz S | 30 / 124 | 7 | |
| 7277 | loj3814 「CEOI2022」Homework | 1 / 2 | 10 | |
| 11042 | loj5362 「OOI 2024 Day 1」线索板 | 1 / 1 | 10 |