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CONTEST ID : 1411
8.9
完全数指不包括它本身的所有因子之和:即6的因子有1,2,3,6,除了它本身以外1+2+3=6
-- jzlb_gzj
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2024-11-24 00:30:07
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Start Time : 2022-08-10 13:00:00
End Time : 2022-08-16 21:00:00
ProblemSet
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Problem ID
Title
Solved
Submit
A
§1 6.1.1求正整数2和n之间的完全数
1
1
B
§1 6.1.2短信计费
2
2
C
山路艰险 I
1
7
D
山路艰险 II
1
1
E
计算组合数
1
2