백준: 6810번 ISBN (Python3) ISBN 성공다국어 시간 제한메모리 제한제출정답맞힌 사람정답 비율 1 초 128 MB 1334 933 867 70.146% 문제 The International Standard Book Number (ISBN) is a 13-digit code for identifying books. These numbers have a special property for detecting whether the number was written correctly.
The 1-3-sum of a 13-digit number is calculated by multiplying the digits alternately by 1’s and 3’s (see example) and t.....
원문 링크 : 백준: 6810번 ISBN (Python3)
