题解 | 提取不重复的整数
提取不重复的整数
https://www.nowcoder.com/practice/253986e66d114d378ae8de2e6c4577c1
n = int(input())
li = []
if 1<=n<=10**8 and str(n).split()[-1] != '0':
n = list(str(n))[::-1]
for i in n:
if i not in li:
li.append(i)
for i in li:
print(i,end='')
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