` ````
```

Loading Question ...

The set `S`

originally contains numbers from 1 to `n`

. But unfortunately, due to the data error, one of the numbers in the set got duplicated to **another** number in the set, which results in repetition of one number and loss of another number.

Given an array `nums`

representing the data status of this set after the error. Your task is to firstly find the number occurs twice and then find the number that is missing. Return them in the form of an array.

**Example 1:**

Input:nums = [1,2,2,4]Output:[2,3]

**Note:**

- The given array size will in the range [2, 10000].
- The given array's numbers won't have any order.

Seen this question in a real interview before?

Yes

No

When did you encounter this question?

last week

last month

last 3 month

last 6 month

more than 6 months

other

Which company?

Adobe

Aetion

Airbnb

Alibaba

Amazon

Apple

Baidu

Bloomberg

Cloudera

Coursera

Cryptic Studios

Dropbox

eBay

Epic Systems

Expedia

Facebook

Fallible

Games

Gilt Groupe

GoDaddy

Goo

Google

Hedvig

Houzz

Hulu

Indeed

Intuit

IXL

LinkedIn

LiveRamp

Lyft

MAQ Software

Mathworks

Microsoft

NetEase

Netsuite

Palantir

Palantir Technologies

Pinterest

Pocket Gems

Poynt

Pure

Pure Storage

Rackspace

Riot

Riot Games

Samsung

Snapchat

Square

Storage

Tencent

TinyCo

Twitter

Two Sigma

Uber

Valve

WAP

Works Applications

Yahoo

Yahoo!

Yelp

Zappos

Zenefits

How can we help you?