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#T62. 素数个数
ID: 639
Type: Default
1000ms
256MiB
Tried: 0
Accepted: 0
Difficulty: (None)
Uploaded By:
chengweisun
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一本通在线评测
素数个数
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简体中文
Description
编程求2~n(n为大于2的正整数)中有多少个素数。
Input Format
输入n(2≤n≤50000)。
Output Format
素数个数。
10
4
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