题解 | #提取不重复的整数#
提取不重复的整数
https://www.nowcoder.com/practice/253986e66d114d378ae8de2e6c4577c1
while True:
try:
num=list(input())[::-1]
lis=[]
if int(num[0])!=0:
for i in num:
if i in lis:
continue
lis.append(i)
print(i,end='')
except:
break
