原题链接在这里:https://leetcode.com/problems/capacity-to-ship-packages-within-d-days/ 题目: A conveyor belt has packages that must be shipped from one port to another within D days. The i-th package on the conveyor belt has a weight of weights[i].  Each day,…

二分搜索 class Solution(object): def shipWithinDays(self, weights, D): """ :type weights: List[int] :type D: int :rtype: int """ l, r, middle = max(weights), sum(weights), 0 # start the binary search strategy while l < r: midd…

Leetcode之二分法专题-1011. 在 D 天内送达包裹的能力(Capacity To Ship Packages Within D Days) 传送带上的包裹必须在 D 天内从一个港口运送到另一个港口. 传送带上的第 i 个包裹的重量为 weights[i].每一天,我们都会按给出重量的顺序往传送带上装载包裹.我们装载的重量不会超过船的最大运载重量. 返回能在 D 天内将传送带上的所有包裹送达的船的最低运载能力. 示例 1: 输入:weights = [1,2,3,4,5,6,7,8,9…

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 日期 题目地址:https://leetcode.com/problems/capacity-to-ship-packages-within-d-days/ 题目描述 A conveyor belt has packages that must be shipped from one port to another within D days. Th…

A conveyor belt has packages that must be shipped from one port to another within D days. The i-th package on the conveyor belt has a weight of weights[i].  Each day, we load the ship with packages on the conveyor belt (in the order given by weights)…

A conveyor belt has packages that must be shipped from one port to another within D days. The i-th package on the conveyor belt has a weight of weights[i]. Each day, we load the ship with packages on the conveyor belt (in the order given by weights).…

题目如下: A conveyor belt has packages that must be shipped from one port to another within D days. The i-th package on the conveyor belt has a weight of weights[i].  Each day, we load the ship with packages on the conveyor belt (in the order given by we…

A conveyor belt has packages that must be shipped from one port to another within D days. The i-th package on the conveyor belt has a weight of weights[i].  Each day, we load the ship with packages on the conveyor belt (in the order given by weights)…

A conveyor belt has packages that must be shipped from one port to another within D days. The i-th package on the conveyor belt has a weight of weights[i].  Each day, we load the ship with packages on the conveyor belt (in the order given by weights)…

A conveyor belt has packages that must be shipped from one port to another within D days. The i-th package on the conveyor belt has a weight of weights[i].  Each day, we load the ship with packages on the conveyor belt (in the order given by weights)…

https://leetcode.com/problems/capacity-to-ship-packages-within-d-days/ 传送带每天有最大传送量V,对于n个货物[w1,w2,w3...wn],要在D天内将所有货物传送完的V最小为多少? 二分每天最大传送量V,初始:Vhigh = sum(w),Vlow = max(w). class Solution { public: int calc_days(vector<int>& weights, int V) { , i…

https://leetcode.com/problems/capacity-to-ship-packages-within-d-days/ 传送带要在D天内把所有货物传送完,但是传送带每天有传送容量的限制,问保证货物在D天内传送完的最小容量限制.货物重量以weights[]给出. 1 <= D <= weights.length <= 50000 1 <= weights[i] <= 500 一开始想从weights来求最小容量,发现无论如何都不能达到线性时间复杂度.想了好…

Binary Search基础 应用于已排序的数据查找其中特定值,是折半查找最常的应用场景.相比线性查找(Linear Search),其时间复杂度减少到O(lgn).算法基本框架如下: //704. Binary Search int search(vector<int>& nums, int target) { //nums为已排序数组 ,j=nums.size()-; while(i<=j){ ; if(nums[mid]==target) return mid; ; ;…

Binary Search基础 应用于已排序的数据查找其中特定值,是折半查找最常的应用场景.相比线性查找(Linear Search),其时间复杂度减少到O(lgn).算法基本框架如下: //704. Binary Search int search(vector<int>& nums, int target) { //nums为已排序数组 ,j=nums.size()-; while(i<=j){ ; if(nums[mid]==target) return mid; ; ;…

请点击页面左上角 -> Fork me on Github 或直接访问本项目Github地址:LeetCode Solution by Swift    说明:题目中含有$符号则为付费题目. 如:[Swift]LeetCode156.二叉树的上下颠倒 $ Binary Tree Upside Down 请下拉滚动条查看最新 Weekly Contest!!! Swift LeetCode 目录 | Catalog 序        号 题名Title 难度     Difficulty  两数之…

原题链接在这里:https://leetcode.com/problems/koko-eating-bananas/ 题目: Koko loves to eat bananas.  There are N piles of bananas, the i-th pile has piles[i] bananas.  The guards have gone and will come back in H hours. Koko can decide her bananas-per-hour eat…

1012. Complement of Base 10 Integer Every non-negative integer N has a binary representation.  For example, 5 can be represented as "101" in binary, 11 as "1011" in binary, and so on.  Note that except for N = 0, there are no leading z…

1.Algorithm - at least one leetcode problem per week(Medium+) 986. Interval List Intersections https://leetcode.com/problems/interval-list-intersections/  Medium Basic sorting and one time scan, be sure to process the start and end of each interval,…

Given an array which consists of non-negative integers and an integer m, you can split the array into m non-empty continuous subarrays. Write an algorithm to minimize the largest sum among these m subarrays. Examples: Input: nums = [7,2,5,10,8] m = 2…

Koko loves to eat bananas.  There are N piles of bananas, the i-th pile has piles[i] bananas.  The guards have gone and will come back in H hours. Koko can decide her bananas-per-hour eating speed of K.  Each hour, she chooses some pile of bananas, a…

导语 上篇系列文 混部之殇-论云原生资源隔离技术之CPU隔离(一) 介绍了云原生混部场景中CPU资源隔离核心技术:内核调度器,本系列文章<Linux内核调度器源码分析>将从源码的角度剖析内核调度的具体原理和实现,我们将以 Linux kernel 5.4 版本(TencentOS Server3 默认内核版本)为对象,从调度器子系统的初始化代码开始,分析 Linux 内核调度器的设计与实现. 调度器(Scheduler)子系统是内核的核心子系统之一,负责系统内 CPU 资源的合理分配,需要能处…

https://oj.leetcode.com/problems/add-binary/ 实” 1 public class Solution { public String addBinary(String a, String b) { char c1[]=a.toCharArray(); char c2[]=b.toCharArray(); int len1=a.length(); int len2=b.length(); int lo=len1; if(len1<=len2) { lo=l…

Design and implement a data structure for Least Frequently Used (LFU) cache. It should support the following operations: get and put. get(key) - Get the value (will always be positive) of the key if the key exists in the cache, otherwise return -1.pu…

One way to serialize a binary tree is to use pre-oder traversal. When we encounter a non-null node, we record the node's value. If it is a null node, we record using a sentinel value such as #. _9_ / \ 3 2 / \ / \ 4 1 # 6 / \ / \ / \ # # # # # # For…

Write a function to generate the generalized abbreviations of a word. Example: Given word = "word", return the following list (order does not matter): ["word", "1ord", "w1rd", "wo1d", "wor1", &qu…

Design and implement a data structure for Least Recently Used (LRU) cache. It should support the following operations: get and set. get(key) - Get the value (will always be positive) of the key if the key exists in the cache, otherwise return -1. set…

82. Remove Duplicates from Sorted List II https://leetcode.com/problems/remove-duplicates-from-sorted-list-ii/ 下面代码是自写hashmap版,练一下hashmap,用一般的map<int,int>红黑树map也能过. /** * Definition for singly-linked list. * struct ListNode { * int val; * ListNode *…

https://leetcode.com/problems/two-sum/ Example: Given nums = [2, 7, 11, 15], target = 9, Because nums[0] + nums[1] = 2 + 7 = 9, return [0, 1]. Java: 版本1,暴力搜索(减少了部分搜索),预计打败全世界30%的答案. public int[] twoSum(int[] nums, int target) { int size = nums.length…

Design and implement a data structure for Least Frequently Used (LFU) cache. It should support the following operations: get and set. get(key) - Get the value (will always be positive) of the key if the key exists in the cache, otherwise return -1. s…

Design and implement a data structure for Least Recently Used (LRU) cache. It should support the following operations: get and set. get(key) - Get the value (will always be positive) of the key if the key exists in the cache, otherwise return -1. set…