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 …

public class Solution { public int[,] ReconstructQueue(int[,] people) { ) { return new int[,] { }; } );//二元组个数 ); var dic = new Dictionary<int, List<int>>(); var ary = new int[row, col]; //将前面为0的“队头”确定 ; i < row; i++) { ]; ]; if (!dic.Conta…

Description 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…

LeetCode 406. Queue Reconstruction by Height 解题报告题目描述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 th…

题目详情 假设有打乱顺序的一群人站成一个队列. 每个人由一个整数对(h, k)表示,其中h是这个人的身高,k是排在这个人前面且身高大于或等于h的人数. 编写一个算法来重建这个队列. 注意: 总人数少于1100人. 示例 输入: [[7,0], [4,4], [7,1], [5,0], [6,1], [5,2]] 输出: [[5,0], [7,0], [5,2], [6,1], [4,4], [7,1]] 解题思路 此题放在贪心算法中, 是用贪心的思想来解题 首先对数组 按照第一个元素height…

leetcode现在每周末举办比赛,这是今天上午参加的比赛的题解.题目难度不算大,两个easy,一个medium,一个hard.hard题之前接触过,所以做得比较顺利. 1.  Sum of Left Leaves(Leetcode 404 Easy) Find the sum of all left leaves in a given binary tree. Example: 3 / \ 9 20 / \ 15 7 There are two left leaves in the binar…