#define OK 1
#define ERROR 0
#define TURE 1
#define FALSE 0
#define INFEASIBLE -1
#define OVERFLOW -2
#define LIST_INIT_SIZE 100
#define LISTINCREMENT 10
typedef struct link
{
    char name[20];
    char yuanxi[20];
    char xingbie[20];
    float data;   
}link;
typedef struct
{
     link *elem;
     int length;
     int listsize;
}Sqlist;

Initlist_Sq(Sqlist *L)
{
    L->elem=(link*)malloc(LIST_INIT_SIZE*sizeof(link));
    if(!L->elem)
    {
        printf("申请失败！");
        exit(0);
    }
    L->length=0;
    L->listsize=LIST_INIT_SIZE;
    return OK;
}
Inputdata(Sqlist *L)
{
    int n,i;
    printf("参赛人数：");
    scanf("%d",&n);
    printf("输入成绩\n");
    n=L->length+n;
    if(L->length<LIST_INIT_SIZE)
    {
        if(n<=LIST_INIT_SIZE)
        {
            for(;L->length<n;L->length++)
            {
                scanf("%d",&L->elem[L->length]);
            }
        }
        else
        {
            i=LIST_INIT_SIZE;
            while(n>=i)
            {
                L->elem=(link*)malloc(LISTINCREMENT*sizeof(link));
                i=i+LISTINCREMENT;
                L->listsize=L->listsize+LISTINCREMENT;
            }
            for(;L->length<n;L->length++)
            {
                scanf("",&L->elem[L->length]);
            }
        }
    }
    else
    {
        i=LIST_INIT_SIZE;
        while(n<=i)
        {
            L->elem=(link*)malloc(LISTINCREMENT*sizeof(link));
            i=i+LISTINCREMENT;
            L->listsize=L->listsize+LISTINCREMENT;
        }
        for(;L->length<n;L->length++)
        {
            scanf("%d",&L->elem[L->length]);
        }
    }
}
Outputdata(Sqlist *L)
{
    int i;
    for(i=0;i<L->length;i++)
    {
        printf("%d\n",L->elem[i]);
    }
}

void wushi()
{
    Sqlist L;
    int i;
    printf("               50米比赛成绩\n");
    link *head=NULL;
    Initlist_Sq(&L) ;
    Inputdata(&L);
    Outputdata(&L);
}
上面的两个结构体是否有啥错误，程序运行完后输入的时候无法达到我要的效果