素数个数
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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
2025-10-25-周训练
- Status
- Done
- Rule
- XCPC
- Problem
- 9
- Start at
- 2025-10-25 14:30
- End at
- 2025-10-25 17:30
- Duration
- 3 hour(s)
- Host
-
xinling
- Partic.
- 38