This video is about Step by step explanation of Lonely Integer problem on Hacker Rank. Solved in 2 Methods:-
1) O(n*n) Method
2) O(n) Method
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Given an array of integers, where all elements but one occur twice, find the unique element.
Example:-
a = [1, 2, 3, 4, 3, 2, 1]
The unique element is 4.
Function Description:-
Complete the lonelyinteger function in the editor below.
lonelyinteger has the following parameter(s):
⚫int a[n]: an array of integers Returns
⚫int: the element that occurs only once
Input Format:-
The first line contains a single integer, n, the number of integers in the array. The second line contains n space-separated integers that describe the values in a.
#lonelyinteger #hackerrank #solution
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http://bit.do/nobi
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