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DmitryMyadzelets/index.js

Last active September 23, 2017 23:15
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Combination
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index.js
const factorial = (n) => n ? n * factorial(n - 1) : 1
// Given n, choose k - [Combination](https://en.wikipedia.org/wiki/Combination)
const C = (n, k) => factorial(n) / (factorial(k) * factorial(n-k))
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