docs: add documentation for parameter n

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realstealthninja 2023-06-19 09:46:01 +05:30 committed by GitHub
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@ -21,6 +21,7 @@ namespace math {
/**
* @brief function to find factorial of given number
* @param n is the number which is to be factorialized
* @warning Maximum value for the parameter is 20 as 21!
* cannot be represented in 64 bit unsigned int
*/