【Leetcode_easy】1037. Valid Boomerang

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【Leetcode_easy】1037. Valid Boomerang

problem 1037. Valid Boomerang 参考 1. Leetcode_easy_1037. Valid Boomerang; 完…

【leetcode】1037. Valid Boomerang

题目如下: A boomerang is a set of 3 points that are all distinct and not in a straight line. Given a list of three points in the plane, return whether these points are a boomerang. Example 1: Input: [[1,1],[2,3],[3,2]] Output: true Example 2: Input: [[1,…

【LeetCode】1037. Valid Boomerang 解题报告（C++）

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中学数学题日期题目地址:https://leetcode.com/problems/valid-boomerang/ 题目描述 A boomerang is a set of 3 points that are all distinct and not in a straight line. Given a list of three point…

【Leetcode_easy】941. Valid Mountain Array

problem 941. Valid Mountain Array solution: class Solution { public: bool validMountainArray(vector<int>& A) { ) return false; ], max_id = ; ; i<A.size(); ++i) { if(A[i]>max) { max = A[i]; max_id = i; } } || max_id==A.size()-) return false…

【Leetcode_easy】680. Valid Palindrome II

problem 680. Valid Palindrome II solution: 不理解判断函数中的节点的问题... class Solution { public: bool validPalindrome(string s) { , right = s.size()-; while(left<right) { if(s[left]!=s[right]) { ) || isValid(s, left+, right);//err.. } left++; right--; } return…

【LeetCode】36. Valid Sudoku 解题报告（Python）

[LeetCode]36. Valid Sudoku 解题报告(Python) 作者: 负雪明烛 id: fuxuemingzhu 个人博客: http://fuxuemingzhu.cn/ 题目地址:https://leetcode.com/problems/valid-sudoku/description/ 题目描述: Determine if a 9x9 Sudoku board is valid. Only the filled cells need to be validated ac…

【LeetCode】593. Valid Square 解题报告（Python）

[LeetCode]593. Valid Square 解题报告(Python) 作者: 负雪明烛 id: fuxuemingzhu 个人博客: http://fuxuemingzhu.cn/ 题目地址:https://leetcode.com/problems/valid-square/description/ 题目描述: Given the coordinates of four points in 2D space, return whether the four points could…