shenjin1

UID: 619, 注册于 2021-6-10 17:53:46, 最后登录于 2021-6-12 16:54:36, 目前离线.

解决了 1 道题目，RP: 3 (No. 5230)

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软件201刘宝庆
通过的题目
H1004
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This person is lazy and didn't join any contests or homework.
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This person is lazy and didn't write any solutions.
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最小生成树: 1