程序代码：

#include <stdio.h>
#include <stdlib.h>
typedef struct
{
    int data[50];
    int length;
} sList;
sList* createList(sList* L1, int n, int a[])
{
    int i = 0, k = 0;
    L1 = (sList*)malloc(sizeof(sList));
    while (i