백준: 16017번 Telemarketer or not? (Python3) Telemarketer or not?
성공다국어 시간 제한메모리 제한제출정답맞힌 사람정답 비율 2 초 512 MB 1580 1105 1022 70.096% 문제 Here at the Concerned Citizens of Commerce (CCC), we have noted that telemarketers like to use seven-digit phone numbers where the last four digits have three properties. Looking just at the last four digits, these properties are: the first of these four digits is a.....
