题解 | #提取不重复的整数#

const rl = require("readline").createInterface({ input: process.stdin });
var iter = rl[Symbol.asyncIterator]();
const readline = async () => (await iter.next()).value;

void async function () {
    // Write your code here
    while(line = await readline()){
        let num = line.trim();
        numTemp = num.toString().split("").reverse();

        let newNum = []
        for(let i = 0;i<numTemp.length;i++){
            if(!newNum.includes(numTemp[i])){
                newNum.push(numTemp[i])
            }
        }
        console.log(Number(newNum.join("")));
    }
}()