Submission

Score: 100

User: Prap

Problemset: ISBN

Language: cpp

Time: 0.002 second

Submitted On: 2026-04-01 12:11:56

#include <iostream>
#include <string>
#include <cmath>
#include <vector>
using namespace std;
int main() {
	int nig;
	int count = 0;
	for (int i = 0; i<9; i++) {
		cin>>nig;
		count = count + nig*(10-i);
	}
	for (int i = 0; i<12; i++) {
		if ((count+i) % 11 == 0) {
			cout<<i;
			return 0;
		}
	}
	return 0;
}