题解 | #无重复数组#
无重复数组
http://www.nowcoder.com/practice/d2fa3632268b41df9bc417b74802ad8c
const _getUniqueNums = (start,end,n) => {
// 补全代码
var arr=new Set()
for(var i=0;i<n;i++){
let random=Math.floor(Math.random()*(end-1)+start)
arr.add(random)
}
return [...arr.values()]
}
