백준-1038번(감소하는 수)-python3
from itertools import combinations CL=['0','1','2','3','4','5','6','7','8','9'] n=int(input()) ss=[] for i in range(1,11): a=list(combinations(CL,i)) for i in a: k=sorted(list(i),reverse=True) ss.append(int(''.join(k))) ss.sort() if n
2023. 11. 23.