LeetCode-973 K Closest Points to Origin Solution (with Java)

1. Description:

Notes:

2. Examples:

3.Solutions:

/**
 * Created by sheepcore on 2019-02-24
 */
class Solution {
    public int[][] kClosest(int[][] points, int K) {
         Arrays.sort(points, (p1, p2) -> p1[0] * p1[0] + p1[1] * p1[1] - p2[0] * p2[0] - p2[1] * p2[1]);
         return Arrays.copyOfRange(points, 0, K);
    } 
}