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/**
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 * @param {number} n - a positive integer
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 * @return {number} - a positive integer
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 */
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// remember the binary must always be of length 32 ;);
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var reverseBits = function (n) {
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  const reversedBin = n.toString(2).split("").reverse().join("");
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  const result = reversedBin.padEnd(32, "0");
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  return parseInt(result, 2);
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};