求助各位大佬为什么这个只能拿30分

JynP @ 2023-10-04 17:08:43

#include<stdio.h>

int main()
{
    char isbn[13];
    int  sum=0,k=0;
    int temp;
    scanf("%s",isbn);
    for (int i =0 ; i<12;++i)
    {
        if (isbn[i] != '-')
        {
            k++;
            temp = isbn[i] - '0';
            sum += k*temp;
        }
    }
    sum %= 11;
    if (sum == 10 && isbn[12] == 'X')
        printf("Right");
    else if (sum == isbn[12] - '0')
        printf("Right");
    else
    {
        if (sum == 10)
            sum = 'X';
        isbn[12] = sum + '0' ;
        printf("%s",isbn);
    }
    return 0;
}

by Aoxiangcar @ 2023-10-05 10:36:58

#include<iostream>
#include<cstdio>
using namespace std;
int main()
{
    int a,b,c;
    char d,q,w,r;
    cin>>a>>q>>b>>w>>c>>r>>d;
    int emo=c;
    int e[9]={a,b/100,b/10%10,b%10,c/10000,c/1000%10,c/100%10,c/10%10,c%10};
    int sum=0;
    for(int i=1;i<=9;i++)
    {
        e[i-1]*=i;
        sum+=e[i-1];
    }
    sum%=11;
    if(sum==10)
    {
    if(d=='X')
    printf("Right");
    else
    cout<<a<<"-"<<b<<"-"<<emo<<"-"<<"X";
    }
    else
    {
    if(sum==d-48)
    printf("Right");
    else
    printf("%d-%d-%d-%d",a,b,emo,sum);
    }
    return 0;
}
```试试这样