编辑代码

#include <iostream>
using namespace std;

const int K = 11;

// 插入排序

void insertSort(int  arr[], int length) {
    for (int i = 1; i < length; i++) {
        int temp = arr[i]; // 保存当前位置的值
        int j = i - 1;

        while (j >= 0 && arr[j] > temp) { // 往前找插入的位置
            arr[j + 1] = arr[j]; // 往后移
            j--;
        }
        arr[j + 1] = temp;
    }

}

int main(int argc, const char* argv[]) {
    int i, n, arr[K];

    cout << "请输入要排序的数的个数：";
    cin >> n;
    cout << "请输入要排序的数：";
    for (i = 0; i < n; i++)
        cin >> arr[i];
    cout << "排序前：" << endl;
    for (i = 0; i < n; i++)
        cout << arr[i] << " ";
    cout << endl;
    insertSort(arr, n);
    cout << "排序后：" << endl;
    for (i = 0; i < n; i++)
        cout << arr[i] << " ";
    cout << endl;
    return 0;
}