題目如下：
Suppose you have a random list of people standing in a queue. Each person is described by a pair of integers (h, k), where h is the height of the person and k is the number of people in front of this person who have a height greater than or equal to h. Write an algorithm to reconstruct the queue.
我的提交：
//17.3.30
//貪心
//lambda表達式
import java.util.Arrays;
import java.util.ArrayList;
public class Solution {
public int[][] reconstructQueue(int[][] people) {
//高度相等，則按照人數升序排列；高度不相等，按照高度降序排列
Arrays.sort(people,(p1,p2)->p1[0]==p2[0]?p1[1]-p2[1]:p2[0]-p1[0]);
ArrayList<int[]> list = new ArrayList<>();
//排隊
for(int[] p:people){
list.add(p[1],p);
}
//將list轉化為數組
return list.toArray(people);
}
}
