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Merge pull request TheAlgorithms#505 from theepag/WhileLoopFactorial
Added while loop factorial
2 parents 9c9640c + 4e680d7 commit 1929509

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Maths/WhileLoopFactorial.js

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/*
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author: Theepag
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*/
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const factorialize = (num) => {
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// Step 1. variable result to store num
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let result = num
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// If num = 0 OR 1, the factorial will return 1
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if (num === 0 || num === 1) { return 1 }
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// Step 2. WHILE loop
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while (num > 1) {
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num-- // decrement 1 at each iteration
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result = result * num // or result = result * num;
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}
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// Step 3. Return the factorial
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return result
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}
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// test
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console.log(factorialize(5))
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console.log(factorialize(4))

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