문제 링크입니다: www.acmicpc.net/problem/6749 6749번: Next in line You know a family with three children. Their ages form an arithmetic sequence: the difference in ages between the middle child and youngest child is the same as the difference in ages between the oldest child and the middle child. For example, their ages c www.acmicpc.net 간단한 수학 문제였습니다. 개발환경:Visual Studio 2017 지적, 조언, 질문 환영입니다! 댓글 남겨주세요~