求阶乘的和
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Description
给定正整数n，求不大于n的正整数的阶乘的和（即求1!+2!+3!+...+n!），输出阶乘的和。
Input Format
输入有一行，包含一个正整数n（1 < n < 12）。
Output Format
输出有一行：阶乘的和。
5
153
2025-11-1周训练
- Status
- Done
- Rule
- XCPC
- Problem
- 9
- Start at
- 2025-11-1 13:45
- End at
- 2025-11-1 16:45
- Duration
- 3 hour(s)
- Host
-
xinling
- Partic.
- 50