```
如果余数为10，则识别码为大写字母X
```
by Soledad_S @ 2018-11-26 22:13:15
@[qzh091818](/space/show?uid=122995)
by Soledad_S @ 2018-11-26 22:13:41
```
#include<iostream>
using namespace std;
int main(){
char a[15];
int x=0,m=0,t,b[30];
for(int i=1;i<=13;i++){
cin>>a[i];
}
for(int i=1;i<=13;i++){
if(i!=2&&i!=6&&i!=12&&i!=13){
b[i]=a[i]-'0';
}
if(i==13)
if(a[i]=='X')b[i]=10;
else b[i]=a[i]-'0';
}
for(int i=1;i<=13;i++){
if(i!=2&&i!=6&&i!=12&&i!=13){
m++;
x+=(b[i])*m;
}
}
//cout<<x<<endl;
//cout<<x%11<<endl;
//cout<<b[13]+2<<endl;
if((x%11)==(b[13])){
cout<<"Right"<<endl;
}
else{
b[13]=x%11;
//cout<<"xxx "<<x%11<<endl;
//cout<<"yyy "<<b[13]<<endl;
for(int i=1;i<=13;i++){
if(i==2||i==6||i==12){
cout<<a[i];
}
else if(b[i]!=10){
cout<<b[i];
}
else cout<<"X";
}
}
return 0;
}
```
by Soledad_S @ 2018-11-26 22:18:52