Python으로 구현한 6749번 수강변경 문제 풀이입니다. https://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 y = int(input()) m = int(input()) ..
