题解 | #明明的随机数#

const readline = require('readline');
const rl = readline.createInterface(process.stdin,process.stdout);
var n = 0,list = [];
rl.on('line',function(line){
    function print(list){
        let last = ''
        list.forEach(item=>{
            if(item!=last){
              console.log(item);
              last = item;  
            }
        })
    }
   if(n==0 && list.length==0){
       n = parseInt(line)
   }else{
       list.push(line);
       if(list.length == n){
           // 输出
           list.sort((a,b)=>{return a-b});
           print(list)
           // 清空
           n = 0;list = []
       }
   }
})