编辑代码

#include <stdio.h>

void CharuPX(int *a, int n) {
    int i, j, key;
    for (i = 1; i < n; i++) {
        key = a[i];
        j = i - 1;
        while (j >= 0 && a[j] > key) {
            a[j + 1] = a[j];
            j--;
        }
        a[j + 1] = key;
    }
}

int main() {
    int a[] = {11, 9, 20, 7, 56, 9, 42, 3, 7, 15, 16};
    int n = sizeof(a) / sizeof(int);

    CharuPX(a, n);

    printf("插入排序为 ");
    for (int i = 0; i < n; i++) {
        printf("%d ", a[i]);
    }
    printf("\n");

    return 0;
}