4/06/2017

Geeksforgeeks Solution For " Element that appears once where every element occurs twice "

GeeksforGeeks Solution For Hard Domain .Below You Can Find The Solution Of  School Basic ,Easy ,Medium . Or Hackerrank Solution You Can Also Direct Submit Your Solution to Geeksforgeeks Same Problem .You Need to login then you can submit you answers 

Problem :-  Element that appears once where every element occurs twice

Submit Your Solution :- Click Here 

Solution :- 

#include <iostream>
using namespace std;

int appearance(int a[],int n){
    int res=a[0];
    //int bit_mask;
    for(int i=1; i<n; i++){
        res=res^a[i];
    }
    return res;
}

int main() {
int t;
cin>>t;
while(t--){
   int n;
   cin>>n;
   int a[n];
   for(int i=0;i<n;i++)
       cin>>a[i];
   cout<<appearance(a,n)<<endl;
   
}
return 0;
}

Output:-



Geeksforgeeks Solution For " Element that appears once where every element occurs twice "
Add caption

Previous Post
Next Post

post written by:

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.
Follow Me

0 Comments: