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diff --git a/exercism/emacs-lisp/armstrong-numbers/README.md b/exercism/emacs-lisp/armstrong-numbers/README.md new file mode 100644 index 0000000..6ce997b --- /dev/null +++ b/exercism/emacs-lisp/armstrong-numbers/README.md @@ -0,0 +1,32 @@ +# Armstrong Numbers + +Welcome to Armstrong Numbers on Exercism's Emacs Lisp Track. +If you need help running the tests or submitting your code, check out `HELP.md`. + +## Instructions + +An [Armstrong number](https://en.wikipedia.org/wiki/Narcissistic_number) is a number that is the sum of its own digits each raised to the power of the number of digits. + +For example: + +- 9 is an Armstrong number, because `9 = 9^1 = 9` +- 10 is *not* an Armstrong number, because `10 != 1^2 + 0^2 = 1` +- 153 is an Armstrong number, because: `153 = 1^3 + 5^3 + 3^3 = 1 + 125 + 27 = 153` +- 154 is *not* an Armstrong number, because: `154 != 1^3 + 5^3 + 4^3 = 1 + 125 + 64 = 190` + +Write some code to determine whether a number is an Armstrong number. + +## Source + +### Created by + +- @cpaulbond + +### Contributed to by + +- @benreyn +- @vermiculus + +### Based on + +Wikipedia - https://en.wikipedia.org/wiki/Narcissistic_number
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