Difference between revisions of "2019 CCPC Qinhuangdao Onsite Contest"
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Xiejiadong (talk | contribs) (Created page with "== Problem A == Solved by Kilo_5723. 01:45:25 (+) == Problem B == Unsolved. == Problem C == Unsolved. == Problem D == Solved by Xiejiadong. 00:02:50 (+) == Problem E =...") |
Xiejiadong (talk | contribs) |
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Solved by Xiejiadong. 00:02:50 (+) | Solved by Xiejiadong. 00:02:50 (+) | ||
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+ | 题意:判断 $\frac{1}{n}$ 是否是一个有限小数。 | ||
+ | |||
+ | 题解:显然 $n$ 只能是 $2$ 和 $5$ 的倍数。 | ||
== Problem E == | == Problem E == |
Revision as of 13:39, 28 September 2019
Problem A
Solved by Kilo_5723. 01:45:25 (+)
Problem B
Unsolved.
Problem C
Unsolved.
Problem D
Solved by Xiejiadong. 00:02:50 (+)
题意:判断 $\frac{1}{n}$ 是否是一个有限小数。
题解:显然 $n$ 只能是 $2$ 和 $5$ 的倍数。
Problem E
Solved by Weaver_zhu && Kilo_5723. 03:27:20 (+)
Problem F
Solved by Xiejiadong. 02:35:01 (+5)
Problem G
Upsolved by Kilo_5723. (-3)
Problem H
Unsolved.
Problem I
Solved by Weaver_zhu. 00:49:05 (+)
Problem J
Solved by Xiejiadong. 00:44:40 (+2)
Problem K
Unsolved.
Problem L
Unsolved.