24 lines
573 B
Plaintext
24 lines
573 B
Plaintext
import Buffer from "buffer"
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import String from "string"
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let fib = j => {
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// set-up minimal, growable buffer
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let buf = Buffer.make(j * 2)
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let mut fnow = 0, fnext = 1
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for (let mut n = 0; n <= j; n += 1) {
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if (n == 0 || n == 1) {
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Buffer.addChar(' ', buf)
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Buffer.addString(toString(n), buf)
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} else {
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let tempf = fnow + fnext
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fnow = fnext
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fnext = tempf
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Buffer.addChar(' ', buf)
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Buffer.addString(toString(fnext), buf)
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}
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}
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// stringify buffer and return
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Buffer.toString(buf)
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}
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let output = fib(20)
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print(output)
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