add: 只出现一次的数字等
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19
src/array/bubble-sort.js
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19
src/array/bubble-sort.js
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// 冒泡排序
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// 平均时间复杂度 O(n * n), 最好情况 O(n),最坏情况 O(n * n)
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// 空间复杂度 O(1)
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// 稳定
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export default (arr) => {
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for (let n = 0, len = arr.length - 1, down = true; n < len; n++) {
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for (let i = 0, iLen = len - n; i < iLen; i++) {
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if (arr[i + 1] < arr[i]) {
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const tmp = arr[i]
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arr[i] = arr[i + 1]
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arr[i + 1] = tmp
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down = false
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}
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}
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if (down) break
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}
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return arr
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}
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