https://leetcode.com/problems/minimum-score-triangulation-of-polygon/ 题意:给定一个凸的N边形(N<=50),每个顶点有一个权值A[i],把它分为N-2个三角形,每个三角形的val等于三个顶点的权值的乘积,问划分之后图形的val总和最小为多少. 一开始想到了,问题可以转换为求解子问题,由于没有想到如何进行状态转换,并且感觉贪心可行, 如下图1,将当前图形可以构成的三角形找出(红线为底边),从中找到val最小的三角形如图2,然后…

原题链接在这里:https://leetcode.com/problems/minimum-score-triangulation-of-polygon/ 题目: Given N, consider a convex N-sided polygon with vertices labelled A[0], A[i], ..., A[N-1] in clockwise order. Suppose you triangulate the polygon into N-2 triangles.  F…

Given N, consider a convex N-sided polygon with vertices labelled A[0], A[i], ..., A[N-1] in clockwise order. Suppose you triangulate the polygon into N-2 triangles.  For each triangle, the value of that triangle is the product of the labels of the v…

题目如下: Given N, consider a convex N-sided polygon with vertices labelled A[0], A[i], ..., A[N-1] in clockwise order. Suppose you triangulate the polygon into N-2 triangles.  For each triangle, the value of that triangle is the product of the labels of…

Hello everyone, I am a Chinese noob programmer. I have practiced questions on leetcode.com for 2 years. During this time, I studied a lot from many Great Gods' articles. After worship, I always wanted to write an article as they did, and now I take t…

这周比赛的题目很有特点.几道题都需要找到一定的技巧才能巧妙解决,和以往靠数据结构的题目不太一样. 就是如果懂原理,代码会很简单,如果暴力做,也能做出来,但是十分容易出错. 第四题还挺难想的,想了好久才想明白.这次先讲第四题,然后再讲其他的题目. 下面是详细的题解和思考. 比赛的地址 Weekly Contest 135 https://leetcode-cn.com/contest/weekly-contest-135 移动石子直到连续 II 题目:移动石子直到连续 II(Moving Ston…

Description There is a stone game.At the beginning of the game the player picks n piles of stones in a circle. The goal is to merge the stones in one pile observing the following rules: At each step of the game,the player can merge two adjacent piles…

题目链接:https://icpcarchive.ecs.baylor.edu/index.php?option=com_onlinejudge&Itemid=8&category=648&page=show_problem&problem=5159 In normal football games, the winner team gets 3 points, loser team gets 0 point, and if there is a drawgame, bot…

C. Quiz time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Manao is taking part in a quiz. The quiz consists of n consecutive questions. A correct answer gives one point to the player. The gam…

转载请注明出处: http://www.cnblogs.com/fraud/          ——by fraud Quiz Manao is taking part in a quiz. The quiz consists of n consecutive questions. A correct answer gives one point to the player. The game also has a counter of consecutive correct answers.…