Method search

C++/Code/elementAppearsOnce.cpp:24–31

class Solution{
public:	
	int search(int A[], int N){
	    //code
	    int ans = 0;
	    for(int i=0;i<N;i++){
	        ans =ans^A[i];
	    }
	    return ans;
	}
};

// { Driver Code Starts.