题解 | #提取不重复的整数#
提取不重复的整数
https://www.nowcoder.com/practice/253986e66d114d378ae8de2e6c4577c1
import sys
for line in sys.stdin:
str1 = str(line)
list1 = list(str1)
list1.reverse()
list2 = list(set(list1))
list2.sort(key=list1.index)
num2 = "".join(list2)
print(int(num2))
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