problem 812. Largest Triangle Area solution: class Solution { public: double largestTriangleArea(vector<vector<int>>& points) { double res = 0.0; , y1=, x2=, y2=, x3=, y3=; ; i<points.size(); ++i) { ; j<points.size(); ++j) { ; k<p…

题目要求 You have a list of points in the plane. Return the area of the largest triangle that can be formed by any 3 of the points. 题目分析及思路 给定一个平面上的一组点,要求得到由这些点中任意三个所能组成最大面积的三角形.可以对这一组点进行三三组合,然后利用已知三点求三角形面积的公式得到每一组点所对应的三角形面积,最后取其中的最大值即为所求. python代码 class…

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 三重循环 组合函数 日期 题目地址:https://leetcode.com/problems/largest-triangle-area/description/ 题目描述 You have a list of points in the plane. Return the area of the largest triangle that can…

static int wing=[]() { std::ios::sync_with_stdio(false); cin.tie(NULL); ; }(); class Solution { public: double largestTriangleArea(vector<vector<int>>& points) { ; for(auto &i:points) for(auto &j:points) for(auto &k:points) res…

You have a list of points in the plane. Return the area of the largest triangle that can be formed by any 3 of the points. Example: Input: points = [[0,0],[0,1],[1,0],[0,2],[2,0]] Output: 2 Explanation: The five points are show in the figure below. T…

You have a list of points in the plane. Return the area of the largest triangle that can be formed by any 3 of the points. Example: Input: points = [[0,0],[0,1],[1,0],[0,2],[2,0]] Output: 2 Explanation: The five points are show in the figure below. T…

给定包含多个点的集合,从其中取三个点组成三角形,返回能组成的最大三角形的面积. 示例: 输入: points = [[0,0],[0,1],[1,0],[0,2],[2,0]] 输出: 2 解释: 这五个点如下图所示.组成的橙色三角形是最大的,面积为2. 注意: 3 <= points.length <= 50. 不存在重复的点. -50 <= points[i][j] <= 50. 结果误差值在 10^-6 以内都认为是正确答案. class Solution { public:…

题目描述: You have a list of points in the plane. Return the area of the largest triangle that can be formed by any 3 of the points. Example: Input: points = [[0,0],[0,1],[1,0],[0,2],[2,0]] Output: 2 Explanation: The five points are show in the figure be…

题目链接:Kattis - largesttriangle Description Given \(N\) points on a \(2\)-dimensional space, determine the area of the largest triangle that can be formed using \(3\) of those \(N\) points. If there is no triangle that can be formed, the answer is \(0\…

题目地址:https://oj.leetcode.com/problems/largest-rectangle-in-histogram/ ,刚開始事实上没做这个题,而是在做https://oj.leetcode.com/problems/maximal-rectangle/当中非常重要的一步就是用到Largest Rectangular Area in a Histogram题中的算法. Given n non-negative integers representing the histog…

在HankerRank遇到一题计算柱状图连续矩形面积的问题. 举例 hist = [3, 2, 3]. 在这个柱状图里面最大可以容纳一个high = 2 length = 3的连续矩形, 其面积 = 2*3 = 6. 按照提示需要使用stack来是时间复杂度保持在O(n). 搜索提示和代码, 把自己的理解描述如下: 加入数组是升序的 hist = [1, 2, 3] 因为数组是升序的, 所以每一个都会和之后的 high 形成更大的连续面积. 也因为数组是升序的, 所以每一个都会和之前的 high…

Largest Allowed Area 题目链接(点击) 题目描述 A company is looking for land to build its headquarters. It has a lot of money and can buy as many land patches as it needs. Its goal, however, is finding the largest square region containing no forest. Unfortunatel…

<题目链接> 题目大意:给你一个由01组成的矩形,现在问你,该矩形中,最多只含一个1的正方形的边长最长是多少. 解题分析: 用二维前缀和维护一下矩形的01值,便于后面直接$O(1)$查询任意子矩阵中1的个数,然后就是二分答案枚举边长. #include <bits/stdc++.h> using namespace std; template<typename T> inline void read(T&x){ x=;;char ch = getchar();…

645. Set Mismatch The set S originally contains numbers from 1 to n. But unfortunately, due to the data error, one of the numbers in the set got duplicated to another number in the set, which results in repetition of one number and loss of another nu…

All LeetCode Questions List(Part of Answers, still updating) 题目汇总及部分答案(持续更新中) Leetcode problems classified by company 题目按公司分类(Last updated: October 2, 2017) .   Top Interview Questions # Title Difficulty Acceptance 1 Two Sum Medium 17.70% 2 Add Two N…

976. 三角形的最大周长 976. Largest Perimeter Triangle 题目描述 给定由一些正数(代表长度)组成的数组 A,返回由其中三个长度组成的.面积不为零的三角形的最大周长. 如果不能形成任何面积不为零的三角形,返回 0. 每日一算法2019/6/5Day 33LeetCode976. Largest Perimeter Triangle 示例 1: 输入:[2,1,2] 输出:5 示例 2: 输入:[1,2,1] 输出:0 示例 3: 输入:[3,2,3,4] 输出:…

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…

[2]Add Two Numbers (2018年12月23日,review) 链表的高精度加法. 题解:链表专题:https://www.cnblogs.com/zhangwanying/p/9797184.html [7]Reverse Integer (2018年12月23日, review) 给了一个32位的整数,返回它的reverse后的整数.如果reverse后的数超过了整数的范围,就返回 0. Example 1: Input: 123 Output: 321 Example 2:…

Description It is always very nice to have little brothers or sisters. You can tease them, lock them in the bathroom or put red hot chili in their sandwiches. But there is also a time when all meanness comes back! As you know, in one month it is Chri…

A - Triangles 记忆化搜索呗.搜索以某三角形为顶的最大面积,注意边界情况. #include <stdio.h> #include <cstring> #include <cstdlib> #include <algorithm> #include <cmath> using namespace std; #define lson o<<1 #define rson o<<1|1 #define max(a,b…

Description It is always very nice to have little brothers or sisters. You can tease them, lock them in the bathroom or put red hot chili in their sandwiches. But there is also a time when all meanness comes back! As you know, in one month it is Chri…

问题描述:离圣诞节只有一个月了,家里要你准备一个很大的星星,然后把它粘在圣诞树的顶端.你已经准备好了一个三角形的银色包装纸来做星星,可忽然有一天你发现在这张大纸上被弄了好多的小洞,原来是你的弟弟妹妹已经从这张大纸上剪掉了许多小的三角形,做了很多小星星.现在,你只能将就了,看怎样才能从这残缺的大纸中,找出一块最大的完整的三角形.如下图所示,假设给你一张大的三角形纸,里面黑的三角形是被你的弟弟妹妹剪掉了的,需要你在剩下的白色区域中找出一个最大的三角形区域. 问题求解:你现在要找出这样一个算法,并用程…

题意:求最大无坏点三角形 思路: 模拟? (为什么我模拟过了...) 有人用 DP,有人用 搜索... // by SiriusRen #include <cstdio> #include <cstring> #include <iostream> using namespace std; char a[222][222]; int cases=0,n,ans,answer,flag; int main(){ while(scanf("%d",&am…

Triangle 一个二维高质量网格(mesh)生成器和Delaunay三角化工具. PSLG(Planar Straight Line Graph)约束Delaunay三角网(CDT)与Delaunay三角网相似, 除了PSLG线段在CDT中表示为一条边. .poly文件格式 First line: <# of vertices> <dimension (must be 2)> <# of attributes> <# of boundary markers (…

Given n non-negative integers representing the histogram's bar height where the width of each bar is 1, find the area of largest rectangle in the histogram. Above is a histogram where width of each bar is 1, given height = [2,1,5,6,2,3]. The largest…

Description Like everyone, cows enjoy variety. Their current fancy is new shapes for pastures. The old rectangular shapes are out of favor; new geometries are the favorite.  I. M. Hei, the lead cow pasture architect, is in charge of creating a triang…

http://www.foundationsofgameenginedev.com/ Chapter1 Vectors and Matrices (已看) Chapter2 Transforms (已看) Chapter3 Geometry Chapter4 Adavanced Algebra Chapter1 Vectors and Matrices 1.1 Vector Fundamentals A scalar is a quantity such as distance,mass,or…

Description There has been considerable archeological work on the ancient Myacm culture. Many artifacts have been found in what have been called power fields: a fairly small area, less than 100 meters square where there are from four to fifteen tall…

Description   Problem B: Myacm Triangles Problem B: Myacm Triangles Source file: triangle.{c, cpp, java, pas} Input file: triangle.in Output file: triangle.out There has been considerable archeological work on the ancient Myacm culture. Many artifact…

描述Like everyone, cows enjoy variety. Their current fancy is new shapes for pastures. The old rectangular shapes are out of favor; new geometries are the favorite. I. M. Hei, the lead cow pasture architect, is in charge of creating a triangular pastur…