题解 | #明明的随机数#
方法1:
const len = parseInt(readline());
let arr = new Array(len),
ans = new Array(),
temp = {};
for(let i = 0; i < len; i ++){
arr[i] = parseInt(readline());
if(!temp[arr[i]]){
temp[arr[i]] = "no-empty";
ans.push(arr[i]);
}
}
ans.sort(function(a, b){return a - b;});
const len2 = ans.length;
for(let i = 0; i < len2; i ++){
console.log(ans[i]);
}
数组去重+排序
方法2:
利用Set集合类型会更便捷。
const n = readline(),
set = new Set();
for(let i = 0; i < n; i ++){
set.add(readline());
}
const resArr = Array.from(set).sort((a,b) => a - b),
len = resArr.length;
for(let i = 0; i < len; i ++){
console.log(resArr[i]);
}