【leetcode 【 Sort Colors 】python 实现】的更多相关文章

[leetcode]Sort Colors @ Python

原题地址:https://oj.leetcode.com/problems/sort-colors/ 题意: 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 integer…

LeetCode: Sort Colors 解题报告

Sort ColorsGiven 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, wh…

[LeetCode] Sort Colors 颜色排序

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…

[Leetcode] Sort Colors (C++)

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…

75.[LeetCode] Sort Colors

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] Sort Colors 对于元素取值有限的数组，只遍历一遍的排序方法

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…

[LeetCode] Sort Colors 只有3个类型的排序

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…

[leetcode]Sort List @ Python

原题地址:http://oj.leetcode.com/problems/sort-list/ 题意:链表的排序.要求:时间复杂度O(nlogn),空间复杂度O(1). 解题思路:由于题目对时间复杂度和空间复杂度要求比较高,所以查看了各种解法,最好的解法就是归并排序,由于链表在归并操作时并不需要像数组的归并操作那样分配一个临时数组空间,所以这样就是常数空间复杂度了,当然这里不考虑递归所产生的系统调用的栈.   这里涉及到一个链表常用的操作,即快慢指针的技巧.设置slow和fast指针,开始它们都…

LeetCode Sort Colors （技巧）

题意: 一个数组只可能含有3种数据,分别为1,2,3,请将数组排序(只能扫一遍). 思路: 如果扫两遍的话,用个桶记录一下,再赋值上去就行了. class Solution { public: void sortColors(vector<int>& nums) { ]={}; ; i<nums.size(); i++) cnt[nums[i]]++; ,i=; j<; j++) ) nums[i++]=j; } }; AC代码 还有这种傻瓜方法,扫一遍先将2移到末尾,再扫…

【LeetCode】Sort Colors 数组排序

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…