80分！思路没问题！大佬求解！

XiMeng_2077 @ 2023-08-01 22:23:17

#include<bits/stdc++.h>
using namespace std;
int main(){
    char ch[15];int a[15]={0};
    int temp=0;int ans=0;int np=1;
    for(int i=1;i<=13;i++){
        scanf("%c",&ch[i]);
    }
    for(int i=1;i<=13;i++){
        temp=int(ch[i]);
        if(temp!=45){
            a[np]=temp-48;
            np++;
        }
    }
    for(int i=1;i<=9;i++){
        ans=ans+a[i]*i;
    }
    if(ans%11==a[10]){
        cout<<"Right";
        return 0;
    }else{
        for(int i=1;i<=12;i++){
            printf("%c",ch[i]);
        }
        if(ans%11==10){
            cout<<"X";
        }else{
            cout<<ans%11;
        }
    }
    return 0;
}

by XiMeng_2077 @ 2023-08-01 22:48:51

解决了没有考虑到识别码为本来就为X的情况，谢谢大佬

if(ans%11==a[10]||(ans%11==10&&ch[13]=='X')){
        cout<<"Right";
        return 0;

by zhanghe724_1 @ 2023-08-04 14:58:38

#include<iostream>
#include<cstring>
using namespace std;
int main(){
    string a;
    cin>>a;
    int s=(a[0]-'0')*1+(a[2]-'0')*2+(a[3]-'0')*3+(a[4]-'0')*4+(a[6]-'0')*5+(a[7]-'0')*6+(a[8]-'0')*7+(a[9]-'0')*8+(a[10]-'0')*9;
    s%=11;
    if(s==10&&a[12]=='X')cout<<"Right";
    if(s<10&&s==a[12]-'0')cout<<"Right";
    if(s==10&&a[12]!='X'){
        a[12]='X';
        cout<<a;
    }
    if(s<10&&s!=a[12]-'0'){
        a[12]=s+'0';
        cout<<a;
    }
}