Submission

Score: 100

User: I_am_me

Problemset: ISBN

Language: c

Time: 0.003 second

Submitted On: 2025-09-25 12:18:59

#include <stdio.h>
#include <string.h>
#include <math.h>
int main()
{
  int num[9];
    for(int i = 0;i<9;i++) {
      scanf("%d",&num[i]);
    }
  int sum = 10*num[0] + 9*num[1] + 8*num[2] + 7*num[3] + 6*num[4] + 5*num[5] + 4*num[6] + 3*num[7] + 2*num[8] ;
  for (int i = sum;i<sum+11;i++) {
      if(i%11==0) {
        printf("%d",i-sum) ;
        break;
      }
  }
}