题解 | #整型数组合并#

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
    let arr=[];
    while(line = await readline()){
        arr.push(line)
    }
    let arrnum1=arr[1].split(' ');
    let arrnum2=arr[3].split(' ');
    let arrnum=arrnum1.concat(arrnum2);
    let result=[...new Set(arrnum)];
    result.sort((a,b)=>a-b);
    console.log(result.join(''))

}()