这段代码有哪些语法错误吗，

Question

#include<stdio.h>
#include<math.h>
#include<string.h>
int judge(int a, int b, int distance);
struct stu
{
    int numble;
    int ChineseScore;
    int MathScore;
    int EnglishScore;
    int sum;
    char name[];
};
struct stu score[2500];
struct cp
{
    char name1[];
    char name2[];
};
struct cp name[2000];
int main()
{
    int N = 0;
    int count = 0;
    scanf("%d", &N);
    for (int i = 0; i < N; i++)
    {
        scanf("%s%d%d%d", score[i].name,&score[i].ChineseScore,//输入名字
            &score[i].MathScore, &score[i].EnglishScore);
        score[i].sum = score[i].ChineseScore + score[i].MathScore + score[i].EnglishScore;
    }
    for (int i = 0; i < N; i++)
    {
        for (int j = i+1; j < N; j++)
        {
            int flag1 = 1,flag2=1,flag3=1,flag4=1;
            flag1 = judge(score[i].ChineseScore, score[j].ChineseScore, 5);
            flag2 = judge(score[i].MathScore, score[j].MathScore, 5);
            flag3 = judge(score[i].EnglishScore, score[j].EnglishScore, 5);
            flag4 = judge(score[i].sum, score[j].sum, 10);
            if (flag1&&flag2&&flag3&&flag4)
            {
                    if (strcmp(score.name[i],score.name[j])>0)
                {
                    strcpy(cp.name1[count],score.name[i]);
                    strcpy(cp.name2[count],score.name[j]);
                }
                    else if (strcmp(score.name[i],score.name[j])<0)
                {
                    strcpy(cp.name2[count],score.name[i]);
                    strcpy(cp.name1[count],score.name[j]);
                }
                count++;
            }

        }
    }
    for(int i=0;i<count;i++)
    {
        printf("%s%s",cp.name1[i],cp.name2[i]);
    }
    return 0;
}
int judge(int a, int b, int distance)
{
    int flag = 1;
    if (abs(a - b) > distance)
        flag = 0;
    return flag;
}

Answer 1

结构里的几个name都定义了数组，没写大小。把数组大小补上