【leetcode-1072 Flip Columns For Maximum Number of Equal Rows】的更多相关文章

【leetcode】1072. Flip Columns For Maximum Number of Equal Rows

题目如下: Given a matrix consisting of 0s and 1s, we may choose any number of columns in the matrix and flip every cell in that column.  Flipping a cell changes the value of that cell from 0 to 1 or from 1 to 0. Return the maximum number of rows that hav…

翻转-Flip Columns For Maximum Number of Equal Rows

2020-02-20 11:00:06 问题描述: 问题求解: 翻转题一个常见的思路就是站在结束的状态来反推最初的状态,本题的解题思路就是站在结束的时候的状态来进行反推. 如果在最终的状态i-row是全0,那么如果j-row也是全0,那么i,j最初的状态一定是一样的:如果j-row是全1,那么i,j最初的状态一定是完全相反的. 所以原问题就转化成了去求解matirx中相同或者完全相反的最多的行数是多少. public int maxEqualRowsAfterFlips(int[][] matr…

LeetCode Array Easy 414. Third Maximum Number

Description Given a non-empty array of integers, return the third maximum number in this array. If it does not exist, return the maximum number. The time complexity must be in O(n). Example 1: Input: [, , ] Output: Explanation: The third maximum .  E…

LeetCode.1189-balloon实例数最大值(Maximum Number of Balloons)

这是小川的第次更新,第篇原创 看题和准备 今天介绍的是LeetCode算法题中Easy级别的第267题(顺位题号是1189).给定一个字符串文本,使用文本字符来构成单词"balloon"的尽可能多的实例.每个字符最多可以在文本中使用一次.返回可以形成的最大实例数. 例如: 输入:text = "nlaebolko" 输出:1 输入:text = "loonbalxballpoon" 输出:2 输入:text = "leetcode&qu…

【leetcode❤python】 414. Third Maximum Number

#-*- coding: UTF-8 -*- #l1 = ['1','3','2','3','2','1','1']#l2 = sorted(sorted(set(l1),key=l1.index,reverse=False),reverse=True)class Solution(object):    def thirdMax(self, nums):        """        :type nums: List[int]        :rtype: int  …

[LeetCode] Third Maximum Number 第三大的数

Given a non-empty array of integers, return the third maximum number in this array. If it does not exist, return the maximum number. The time complexity must be in O(n). Example 1: Input: [3, 2, 1] Output: 1 Explanation: The third maximum is 1. Examp…

[LeetCode] Create Maximum Number 创建最大数

Given two arrays of length m and n with digits 0-9 representing two numbers. Create the maximum number of length k <= m + n from digits of the two. The relative order of the digits from the same array must be preserved. Return an array of the k digit…

LeetCode 414. Third Maximum Number （第三大的数）

Given a non-empty array of integers, return the third maximum number in this array. If it does not exist, return the maximum number. The time complexity must be in O(n). Example 1: Input: [3, 2, 1] Output: 1 Explanation: The third maximum is 1. Examp…

C#版 - Leetcode 414. Third Maximum Number题解

版权声明: 本文为博主Bravo Yeung(知乎UserName同名)的原创文章,欲转载请先私信获博主允许,转载时请附上网址 http://blog.csdn.net/lzuacm. C#版 - Leetcode 414. Third Maximum Number题解 在线提交: https://leetcode-cn.com/problems/third-maximum-number 题目描述 414. 第三大的数 给定一个非空数组,返回此数组中第三大的数.如果不存在,则返回数组中最大的数.…

【leetcode】414. Third Maximum Number

problem 414. Third Maximum Number solution 思路:用三个变量first, second, third来分别保存第一大.第二大和第三大的数,然后遍历数组. class Solution { public: int thirdMax(vector<int>& nums) { //1.LONG_MIN; long first = LONG_MIN, second = LONG_MIN, third = LONG_MIN;// for(auto a:n…