LeetCode-961 N-Repeated Element in Size 2N Array Solution (with Java)

1. Description: 

Notes:

2. Examples:

3.Solutions:

/**
 * Created by sheepcore on 2019-02-24
 */
class Solution {
    public int repeatedNTimes(int[] A) {
        int[] count = new int[10000];
        for(int i=0;i<A.length;i++)
            if(count[A[i]]++ == 1)
                return A[i];
            return -1;
        }
}