LeetCode: Reordered Power Of 2 Solution
1/**2 * @param {number} N3 * @return {boolean}4 */5var reorderedPowerOf2 = function (N) {6 const getDigits = number => {7 const digits = Array(10).fill(0)8 while (number) {9 digits[number % 10]++10 number = Math.floor(number / 10)11 }12 return digits.join("")13 }1415 // 0 <= N <= 1e916 // 0 <= 2^NUMBER_OF_DIGITS <= 1e917 // 0 <= NUMBER_OF_DIGITS <= 3018 const MAX_NUMBER_OF_DIGITS = Math.ceil(Math.log2(1e9))1920 for (let exp = 0; exp <= MAX_NUMBER_OF_DIGITS; exp++) {21 if (getDigits(N) === getDigits(Math.pow(2, exp))) {22 return true23 }24 }25 return false26}
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