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=input()
n=n[::-1]
num=[]
for i in range(len(n)):
if n[i:i+1] in num:
continue
else:
num.append(n[i:i+1])
str_num = ''.join(map(str,num))
print(int(str_num))
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