황소개발자

n, m = map(int, input().split()) num_list = list(map(int, input().split())) num_list = list(set(num_list)) num_list.sort() anses = [] a = [0 for i in range(m)] def go(selected, m): if selected == m: anses.append(' '.join(map(str, a))) return for i in range(len(num_list)): a[selected] = num_list[i] go(selected + 1, m) go(0, m) print(anses[0]) for i in range(1, len(anses)): if anses[i - 1] != anse..