[백준] 1427번 : 소트인사이드 - Python(파이썬)

https://www.acmicpc.net/problem/1427

n=int(input())
k=str(n)
m=len(k)
arr=[0]*m
for i in range(m):
    arr[i]=n%10;
    n//=10
arr.sort(reverse=True)
for i in range(m):
    print(arr[i],end='')