Retoayd @ 2023-10-14 19:27:26
#include <bits/stdc++.h>
using namespace std;
string a;
int main()
{
cin>>a;
int ans=0,l=1;
for(int i=0; i<12-1; i++)
{
if (a[i]=='-') continue;
else
{
ans+=(a[i]-'0')*l;
l++;
}
}
ans%=11;
if(ans==a[12]-'0')
{
cout<<"Right";
}
else
{
for(int i=0; i<12; i++)
{
cout<<a[i];
}
cout<<ans;
}
return 0;
}
by cmpt_xiaoxiao @ 2023-10-14 19:38:28
X?
by wo_shi_zhong_guo_ren @ 2023-10-17 20:30:30
如果mod11为十或十以上,要改为X