Submission

Status:

PPPPPPPPPPPPPPPPPPPP

Subtask/Task Score:

100/100

Score: 100

User: mnmpyuuu

Problemset: ISBN

Language: c

Time: 0.002 second

Submitted On: 2025-10-12 20:55:01

#include<stdio.h>

int main()
{
    int a[9];
    int sum=0;
    for(int i=0;i<9;i++){
        scanf("%d",&a[i]);
        sum=a[i]*(10-i)+sum;
    }
    if(sum%11==0){
        printf("0");
    }
    else{
        printf("%d",11-(sum%11));
    }
}