In array

Question

Find Unique
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Given an integer array of size 2N + 1. In this given array, N numbers are present twice and one number is present only once in the array.
You need to find and return that number which is unique in the array.
Note : Given array will always contain odd number of elements.
Input format :
Line 1 : Array size i.e. 2N+1
Line 2 : Array elements (separated by space)
Output Format :
Unique element present in the array
Constraints :
1 <= N <= 10^3
Sample Input :
7
2 3 1 6 3 6 2
Sample Output :
1

Answer 1

my try
https://code.sololearn.com/c7XQm5TmOxHE/?ref=app

it is up to you but in my opinion there is nothing worse than reading the code before trying exhausted

Answer 2

where is the error

Answer 3

I didn't understand

Answer 4

hi, the rule is that you first should do a try until you stuck. Then show this try here and you will get support.

Answer 5

What ?

Answer 6

In which language should be this program?

Answer 7

In java

Answer 8

There is a error friend and yes I tried a lot

Answer 9

This is for the first time that I have posted next I will upload the code

Answer 10

Can you write it's code

Answer 11

Output is coming 2 as per your input