Submission

Score: 100

User: Phupa

Problemset: ISBN

Language: cpp

Time: 0.002 second

Submitted On: 2025-10-11 07:43:49

#include <iostream>
using namespace std;
int main()
{
    int arr[10];
    int i,j,n,sum=0,output;
    for (i = 0;i < 9;i++)
    {
      cin>>arr[i];
      arr[i]*=(10-i);
      sum+=arr[i];
    }
    sum=sum%11;
    output=11-sum;
    if (output == 11)
    {
      cout<<"0";
    }
    else
    cout<<output;
}