#10773. 求10000以内n的阶乘
求10000以内n的阶乘
Description
求10000以内n的阶乘。
## Input Format
只有一行输入,整数n(0≤n≤10000)。
## Output Format
一行,即n!的值。
```input1 4
```output1
24
求10000以内n的阶乘。
## Input Format
只有一行输入,整数n(0≤n≤10000)。
## Output Format
一行,即n!的值。
```input1 4
```output1
24
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