Given an array with n objects colored red, white or blue, sort them in-place so that objects of the same color are adjacent, with the colors in the order red, white and blue. Here, we will use the integers 0, 1, and 2 to represent the color red, whit…

翻译 给定一个包括红色.白色.蓝色这三个颜色对象的数组.对它们进行排序以使同样的颜色变成相邻的,其顺序是红色.白色.蓝色. 在这里,我们将使用数字0.1和2分别来代表红色.白色和蓝色. 原文 Given an array with n objects colored red, white or blue, sort them so that objects of the same color are adjacent, with the colors in the order red, whit…

Given an array with n objects colored red, white or blue, sort them so that objects of the same color are adjacent, with the colors in the order red, white and blue. Here, we will use the integers 0, 1, and 2 to represent the color red, white, and bl…

题目:Sort color <span style="font-size:18px;">/*LeetCode sort colors 题目:输入一个数组.包括0,1,2分别代表红白蓝三种颜色,要求依照0,1,2的顺序,将同类颜色的连续排列 思路:计数排序,是一个遍历两遍的方法:能够先统计每种的数量,之后直接将这一范围内的全部值都赋值为对应的数字就可以 遍历一遍的话能够在遍历的同一时候分别与0和2比較,从头和尾一起交换.1的在中间不用做处理: * */ package jav…

Given an unsorted array nums, reorder it in-place such that nums[0] <= nums[1] >= nums[2] <= nums[3].... For example, given nums = [3, 5, 2, 1, 6, 4], one possible answer is [1, 6, 2, 5, 3, 4]. 这道题让我们求摆动排序,跟Wiggle Sort II相比起来,这道题的条件宽松很多,只因为多了一个等号…

Sort Colors题解 原创文章,拒绝转载 题目来源:https://leetcode.com/problems/sort-colors/description/ Description Given an array with n objects colored red, white or blue, sort them so that objects of the same color are adjacent, with the colors in the order red, whit…

Sort Colors Given an array with n objects colored red, white or blue, sort them so that objects of the same color are adjacent, with the colors in the order red, white and blue. Here, we will use the integers 0, 1, and 2 to represent the color red, w…

Given an array with n objects colored red, white or blue, sort them so that objects of the same color are adjacent, with the colors in the order red, white and blue. Here, we will use the integers 0, 1, and 2 to represent the color red, white, and bl…

Given an array with n objects colored red, white or blue, sort them in-place so that objects of the same color are adjacent, with the colors in the order red, white and blue. Here, we will use the integers 0, 1, and 2 to represent the color red, whit…

Given an array with n objects colored red, white or blue, sort them so that objects of the same color are adjacent, with the colors in the order red, white and blue. Here, we will use the integers 0, 1, and 2 to represent the color red, white, and bl…

问题描述:Given an array with n objects colored red, white or blue, sort them so that objects of the same color are adjacent, with the colors in the order red, white and blue. Here, we will use the integers 0, 1, and 2 to represent the color red, white, a…

Given an array with n objects colored red, white or blue, sort them in-place so that objects of the same color are adjacent, with the colors in the order red, white and blue. Here, we will use the integers 0, 1, and 2 to represent the color red, whit…

Level:   Medium 题目描述: Given an array with n objects colored red, white or blue, sort them in-place so that objects of the same color are adjacent, with the colors in the order red, white and blue. Here, we will use the integers 0, 1, and 2 to represe…

解法一:计数排序:统计0,1,2 的个数 时间复杂度:O(n) 空间复杂度:O(k)    k为元素的取值范围, 此题为O(1) class Solution { public: void sortColors(vector<int>& nums) { ] = {}; //存放0,1,2三个元素的频率 ;i<nums.size();i++){ assert(nums[i] >= && nums[i]<=); //若不符合条件则报错 count[nums…

前言   [LeetCode 题解]系列传送门:  http://www.cnblogs.com/double-win/category/573499.html   1.题目描述 Given an array with n objects colored red, white or blue, sort them so that objects of the same color are adjacent, with the colors in the order red, white and…

Given an array with n objects colored red, white or blue, sort them so that objects of the same color are adjacent, with the colors in the order red, white and blue. Here, we will use the integers 0, 1, and 2 to represent the color red, white, and bl…

Given an array with n objects colored red, white or blue, sort them so that objects of the same color are adjacent, with the colors in the order red, white and blue. Here, we will use the integers 0, 1, and 2 to represent the color red, white, and bl…

[题目] Given an array with n objects colored red, white or blue, sort them so that objects of the same color are adjacent, with the colors in the order red, white and blue. Here, we will use the integers 0, 1, and 2 to represent the color red, white, a…

题目: Given an array with n objects colored red, white or blue, sort them so that objects of the same color are adjacent, with the colors in the order red, white and blue. Here, we will use the integers 0, 1, and 2 to represent the color red, white, an…

给定一个包含红色.白色和蓝色,且含有 n 个元素的数组,对它们进行排序,使得相同颜色的元素相邻,颜色顺序为红色.白色.蓝色.此题中,我们使用整数 0, 1 和 2 分别表示红色,白色和蓝色.注意:不能使用代码库中的排序函数来解决这道题.进阶:一个相当直观的解决方案是使用计数排序的 two-pass 算法.首先,迭代计算出0,1 和 2 元素的个数,然后重写当前数组.你能想出一个仅使用恒定空间的 one-pass 算法吗?详见:https://leetcode.com/problems/sort-…

Given an array with n objects colored red, white or blue, sort them so that objects of the same color are adjacent, with the colors in the order red, white and blue. Here, we will use the integers 0, 1, and 2 to represent the color red, white, and bl…

Given an array with n objects colored red, white or blue, sort them so that objects of the same color are adjacent, with the colors in the order red, white and blue. Here, we will use the integers 0, 1, and 2 to represent the color red, white, and bl…

Given an array with n objects colored red, white or blue, sort them in-place so that objects of the same color are adjacent, with the colors in the order red, white and blue. Here, we will use the integers 0, 1, and 2 to represent the color red, whit…

LeetCode 75. Sort Colors (python一次遍历,模拟三路快排) 题目分析: 本题需要实现数字只包含0,1,2的排序,并且要求一次遍历. 由于只用把数字隔离开,很容易想到快排的分割操作partition. 将三类数字隔离开,也就是模拟三路快排了. 解题思路 快排是选取哨兵p,将一段数组分成<p,=p,>p三类,并按这个顺序隔离开. 本题类似,哨兵为1,将一段数组分成0,1,2,即<1,=1,>1,并按这个顺序隔离开. 代码如下 class Solution:…

  75. Sort Colors   给定一个具有红色,白色或蓝色的n个对象的数组,将它们就地 排序,使相同颜色的对象相邻,颜色顺序为红色,白色和蓝色. 这里,我们将使用整数0,1和2分别表示红色,白色和蓝色. 注意:  您不应该使用库的排序功能来解决此问题. 例: 输入: [2,0,2,1,1,0]输出: [0,0,1,1,2,2] 跟进: 一个相当直接的解决方案是使用计数排序的两遍算法.首先,迭代0,1,和2的数组计数,然后覆盖总数为0的数组,然后是1,然后是2. 你能想出一个只使用恒定空…

75. 颜色分类 75. Sort Colors 题目描述 给定一个包含红色.白色和蓝色,一共 n 个元素的数组,原地对它们进行排序,使得相同颜色的元素相邻,并按照红色.白色.蓝色顺序排列. 此题中,我们使用整数 0. 1 和 2 分别表示红色.白色和蓝色. 注意: 不能使用代码库中的排序函数来解决这道题. 每日一算法2019/6/2Day 30LeetCode75. Sort Colors 示例: 输入: [2,0,2,1,1,0] 输出: [0,0,1,1,2,2] 进阶: 一个直观的解决方…

Given an unsorted array nums, reorder it such that nums[0] < nums[1] > nums[2] < nums[3].... Example:(1) Given nums = [1, 5, 1, 1, 6, 4], one possible answer is [1, 4, 1, 5, 1, 6]. (2) Given nums = [1, 3, 2, 2, 3, 1], one possible answer is [2, 3…

Given an unsorted array nums, reorder it such that nums[0] < nums[1] > nums[2] < nums[3].... Example 1: Input: nums = [1, 5, 1, 1, 6, 4] Output: One possible answer is [1, 4, 1, 5, 1, 6]. Example 2: Input: nums = [1, 3, 2, 2, 3, 1] Output: One po…

[075-Sort Colors (颜色排序)] [LeetCode-面试算法经典-Java实现][全部题目文件夹索引] 原题 Given an array with n objects colored red, white or blue, sort them so that objects of the same color are adjacent, with the colors in the order red, white and blue. Here, we will use th…

Sort a linked list in O(n log n) time using constant space complexity. Example 1: Input: 4->2->1->3 Output: 1->2->3->4 Example 2: Input: -1->5->3->4->0 Output: -1->0->3->4->5 常见排序方法有很多,插入排序,选择排序,堆排序,快速排序,冒泡排序,归并排序…