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krahets
2024-05-24 16:12:17 +08:00
parent e434a3343c
commit 6bac0db1c4
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docs/chapter_sorting/quick_sort.md
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@@ -861,7 +861,7 @@ comments: true
/* 哨兵划分（三数取中值） */
func partitionMedian(nums: inout [Int], left: Int, right: Int) -> Int {
// 选取三个候选元素的中位数
let med = medianThree(nums: nums, left: left, mid: (left + right) / 2, right: right)
let med = medianThree(nums: nums, left: left, mid: left + (right - left) / 2, right: right)
// 将中位数交换至数组最左端
nums.swapAt(left, med)
return partition(nums: &nums, left: left, right: right)