Laffey
UID: 2839, 註冊於 2021-10-18 22:28:33, 最後登入於 2022-9-14 17:57:15, 目前離線.
解決了 1 道題目，RP: 8.4 (No. 4770)
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個人簡介
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通过的题目
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最近活動
This person is lazy and didn't join any contests or homework. -
最近題解
This person is lazy and didn't write any solutions. -
Stat
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Rating
题目标签
- LCA
- 1