In a deck of cards, every card has a unique integer.  You can order the deck in any order you want. Initially, all the cards start face down (unrevealed) in one deck. Now, you do the following steps repeatedly, until all cards are revealed: Take the…

作者: 负雪明烛 id: fuxuemingzhu 个人博客: http://fuxuemingzhu.cn/ 目录 题目描述 题目大意 解题方法 模拟 日期 题目地址:https://leetcode.com/problems/reveal-cards-in-increasing-order/description/ 题目描述 In a deck of cards, every card has a unique integer. You can order the deck in any o…

In a deck of cards, every card has a unique integer.  You can order the deck in any order you want. Initially, all the cards start face down (unrevealed) in one deck. Now, you do the following steps repeatedly, until all cards are revealed: Take the…

In a deck of cards, every card has a unique integer.  You can order the deck in any order you want. Initially, all the cards start face down (unrevealed) in one deck. Now, you do the following steps repeatedly, until all cards are revealed: Take the…

Difficulty: Medium Problem In a deck of cards, every card has a unique integer. You can order the deck in any order you want. Initially, all the cards start face down (unrevealed) in one deck. Now, you do the following steps repeatedly, until all car…

题目如下: In a deck of cards, every card has a unique integer.  You can order the deck in any order you want. Initially, all the cards start face down (unrevealed) in one deck. Now, you do the following steps repeatedly, until all cards are revealed: Tak…

For a binary tree T, we can define a flip operation as follows: choose any node, and swap the left and right child subtrees. A binary tree X is flip equivalent to a binary tree Y if and only if we can make X equal to Y after some number of flip opera…

Given an array of 4 digits, return the largest 24 hour time that can be made. The smallest 24 hour time is 00:00, and the largest is 23:59.  Starting from 00:00, a time is larger if more time has elapsed since midnight. Return the answer as a string…

2019-03-27 14:10:37 问题描述: 问题求解: 模拟题.考虑角度是从结果来进行反推. input - [2,3,5,7,11,13,17] (just sort the input that you get) The last number that you wanna get is the last number in the array - (17) The penultimate number is 13. So put 13 on top of 17 (13,17) an…

牌组中的每张卡牌都对应有一个唯一的整数.你可以按你想要的顺序对这套卡片进行排序. 最初,这些卡牌在牌组里是正面朝下的(即,未显示状态). 现在,重复执行以下步骤,直到显示所有卡牌为止: 从牌组顶部抽一张牌,显示它,然后将其从牌组中移出. 如果牌组中仍有牌,则将下一张处于牌组顶部的牌放在牌组的底部. 如果仍有未显示的牌,那么返回步骤 1.否则,停止行动. 返回能以递增顺序显示卡牌的牌组顺序. 答案中的第一张牌被认为处于牌堆顶部. 示例: 输入:[17,13,11,2,3,5,7] 输出:[2,13…