求大佬帮忙看看代码出错在哪,在本地运行正确,提交上后便WA和RE,下载测试点#1数据也无异常,输出正确但仍然判WA

#include<bits/stdc++.h>
using namespace std;

int main()
{
    char ISBN[14]; //创建字符串
    cin >> ISBN;
    int check = ISBN[12] - '0'; //提取检查值
    int arr[20],k;
    for (int i = 0; i < 11; i++) 
    {
        //跳过"-"
        if (i == 1 || i == 5 )
        {
            continue; 
        }
        else
        {
            arr[k] = ISBN[i] - '0'; //将九个字符记入到数组中
            k++;
        }
    }
    int becheck; //创建被检查值
    for (int j = 1; j < 10; j++)
    {
        becheck += arr[j - 1]*j; //将九个数字按题目要求分别加进被检查值里
    }

    becheck %= 11; // 取mod11
    if (becheck != 10 && becheck == check) //如果被检查值与检查值相等(被检查值 ！= 10)时
    {
        cout << "Right";
    }
    else if (becheck == 10)
    {
        if (check == 40)  //"X"的ASCII - "0"的ASCII
        {
            cout << "Right";
        }
        else
        {
            char temp = 'X';
            ISBN[12] = temp;
            cout << ISBN;
        }
    }
    else
    {
        char temp2 = becheck + '0';
        ISBN[12] = temp2;
        cout <<ISBN;
    }
    
    system("pause");
    return(0);
}