C语言堆排序算法,形成小堆

C语言实现堆排序算法时，可以通过以下步骤来构建小堆：
1. 首先，将待排序的数组转化为一个初始堆。可以使用下面的代码来实现这一步骤：

void heapify(int arr[], int n, int i) {
    int smallest = i;
    int left = 2 * i + 1;
    int right = 2 * i + 2;

    if (left < n && arr[left < arr < arr<span class="em">1</span><span class="em">2</span><span class="em">3</span>
#### 引用[.reference_title]
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