leetcode---11. 盛最多水的容器 原题目链接: https://leetcode-cn.com/problems/container-with-most-water/ 以下是本人提供的两个方法 方法一: 方法一较为直接,采用双重循环来便利求解面积最大值.时间复杂度为O() 方法二 方法二的思路是我们第一观察的想法,面积是长乘以宽得来的,最大面积需要“越...
LeetCode--Greedy 621. Task Scheduler(任务调度) Given a char array representing tasks CPU need to do. It contains capital letters A to Z where different letters represent different tasks.Tasks could be done without original order. Each task could be done in one interval. For each interval, ...
problem:https://leetcode.com/problems/advantage-shuffle/ In ordered to maximize the advantage of array A with respect to B, we had better choose the smallest element in array A that is larger than the element in B. After each selection, we erase the data we choose in A to avoid repetit...
最近在leetcode上刷题的时候,新学到一个sliding window algorithm。 leetcode原题 解题思路: 1.根据k值,确定窗口的大小; 2.然后从index 1开始挪位; 例子: lower = 2; upper = 3; k = 2 calories = {1,1,0,2,1,0} 时间复杂度: O(n),遍历calories中的每个元素一次。 如有错误,求指出。...Algori...
LeetCode122. 买卖股票的最佳时机 II(动态规划、贪心算法) 题目:贪心算法贪心算法原理 原理链接 动态规划 贪心算法 贪心算法什么是贪心算法1、与动态规划算法先死,贪心算法多用来解决优化问题。 2、在动态规划中,递归属性是用于将实例划分为较小的实例。 3、贪心算法只考虑当前步骤的最优解,不保证全局的最优解。所...
摘要:Problem: We are given an array A of N lowercase letter strings, all of the same length. Now, we may choose any set of deletion indices, and for each s阅读全文 posted @2019-02-17 04:11周浩炜 Leetcode 753. Cracking the Safe ...
problem 1518. Water Bottles 题意: solution#1:迭代; code solution#2: 迭代; code solution#3: 数学;oneline; code 参考 1. leetcode_easy_greedy_1518. Water Bottles; 2. leetcode1518(换酒问题)--Java语言实现; ...
I came across this problem on leetcode. (https://leetcode.com/problems/task-scheduler/) . I get the intuition of why greedy approach (round-robin fashion) should work but not able to prove that it's always optimal. Can someone help me in proving it ?
A Python repository for finding the densest subgraph in a undirected graph pythongraph-algorithmsapproximationdensitygreedynetworksmaxflowgoldbergmaxflow-mincutcharikar UpdatedDec 30, 2020 Python Php-based LeetCode algorithm problem solutions, regularly updated. ...
❓ FIND ALL WORDS WITH GIVEN PREFIX 🐣 Word Search, Word Break Problem, etc. 🎭 PsuendoCode 📘 Trie Pattern 📘 ⏰: O(n) 🪐: O(n) TrieNode root = new TrieNode(); for (String word : words) { TrieNode node = root; for (char letter : word.toCharArray()) { if (node...