本地过了，但是全RE，qwq

#include<stdio.h>
#include<string.h>
#define _CRT_SECURE_NO_WARNINGS
#define _CRT_SECURE_NO_DEPRECATE
#pragma warning(disable:4996)
int box[100000];
int main()
{   
    int n;
    int length;
    int sum = 0;
    int S = 0;
    scanf("%d", &n);

    int i = 1;
    while(1)
    {
        scanf("%d", &box[i]);
        S += box[i];
        i++;
        if (S == n * n)
            break;
    }

    length = sizeof(box);

    for (int i = 1; i <= length; i++)
    {
        for (int j = 1; j <= box[i]; j++)
        {
            if (i % 2 == 1)
                printf("0");
            if (i % 2 == 0)
                printf("1");
            sum++;//当字符数达到n的时候换行
            if (sum % n == 0)
                printf("\n");
        }

    }

    return 0;
}