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50 changes: 0 additions & 50 deletions src/algorithm-mandatory/handtearing.md
Original file line number Diff line number Diff line change
Expand Up @@ -469,56 +469,6 @@ public class MergeSort {
}
}
}
public class HeapSort {
public static void heapSort(int[] arr) {
int n = arr.length;

// 构建大顶堆
for (int i = n / 2 - 1; i >= 0; i--) {
adjustHeap(arr, i, n);
}

// 排序
for (int i = n - 1; i >= 0; i--) {
// 交换堆顶元素和最后一个元素
int temp = arr[0];
arr[0] = arr[i];
arr[i] = temp;

// 调整堆
adjustHeap(arr, 0, i);
}
}

private static void adjustHeap(int[] arr, int i, int n) {
int temp = arr[i];

for (int k = 2 * i + 1; k < n; k = 2 * k + 1) {
// 找到左右子节点中较大的一个
if (k + 1 < n && arr[k] < arr[k + 1]) {
k++;
}

// 如果子节点大于父节点,则交换它们
if (arr[k] > temp) {
arr[i] = arr[k];
i = k;
} else {
break;
}
}

arr[i] = temp;
}

public static void main(String[] args) {
int[] arr = {3, 6, 8, 2, 4, 1, 9, 5, 7};
heapSort(arr);
for (int num : arr) {
System.out.print(num + " ");
}
}
}
```

@tab golang
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