题解 | #提取不重复的整数#
https://www.nowcoder.com/practice/253986e66d114d378ae8de2e6c4577c1
let num = readline() //先反转再去重 num = String(num).split('').reverse() num = [... new Set(num)].join('') console.log(num)
https://www.nowcoder.com/practice/253986e66d114d378ae8de2e6c4577c1
let num = readline() //先反转再去重 num = String(num).split('').reverse() num = [... new Set(num)].join('') console.log(num)
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