4/06/2017

Geeksforgeeks Solution For " Element appearing once "

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Problem :- Element appearing once

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Solution :- 

#include <bits/stdc++.h>
using namespace std;
int findOdd(int arr[], int n) 
{
int res = 0, i;
for (i = 0; i < n; i++)
res ^= arr[i];
return res;
}

int main()
{
    int t;
    cin>>t;
    while(t--)
    {
        int n,i,j,sum,res=0;
        cin>>n;
        int arr[n];
        for(i=0;i<n;i++)
        cin>>arr[i];
        printf ("%d\n", findOdd(arr, n));
    }
return 0;
}

Output:-



Geeksforgeeks Solution For " Element appearing once "

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Hi, I’m Ghanendra Yadav, SEO Expert, Professional Blogger, Programmer, and UI Developer. Get a Solution of More Than 500+ Programming Problems, and Practice All Programs in C, C++, and Java Languages. Get a Competitive Website Solution also Ie. Hackerrank Solutions and Geeksforgeeks Solutions. If You Are Interested to Learn a C Programming Language and You Don't Have Experience in Any Programming, You Should Start with a C Programming Language, Read: List of Format Specifiers in C.
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