classSolution{publicdoubletrimMean(int[]arr){intoffSet=(int)(arr.length*0.05);doubleresult=0;Arrays.sort(arr);for(inti=offSet;i<arr.length-offSet;i++){result+=arr[i];}returnresult/(arr.length-offSet*2);}} 其他人优秀的代码 https://leetcode.com/problems/mean-of-array-after-removing-some...
https://leetcode.com/problems/find-words-that-can-be-formed-by-characters/ Youare given an array of strings words and a string chars.Astring is goodifit can be formed by characters from chars(each character can only be used once).Returnthe sum of lengths of all good strings in words.Exa...
53. Maximum Subarray Find the contiguous subarray within an array (containing at least one number) which has the largest sum. For example, given the array[-2,1,-3,4,-1,2,1,-5,4], the contiguous subarray[4,-1,2,1]has the largest sum =6. 题目地址:https://leetcode.com/problems/...
Accumulate both diagonal sums simultaneously. Subtract the middle sum once if 1. 2. solution#1: code: 注意,如何求解方阵的对角线元素之和。 solution#2: one Liner Solutions; code 参考 1. leetcode_easy_array_1572. Matrix Diagonal Sum; 2. leetcode_discussion; 完...
https://leetcode.com/problems/find-all-numbers-disappeared-in-an-array/description/ 题目描述: Given an array of integers where 1 ≤ a[i] ≤n(n= size of array), some elements appear twice and others appear once. Find all the elements of [1,n] inclusive that do not appear in this ar...
leetcode-easy-array-删除排序数组中的重复项 审题 给定一个排序数组,你需要在 原地 删除重复出现的元素,使得每个元素只出现一次,返回移除后数组的新长度。 不要使用额外的数组空间,你必须在 原地 修改输入数组 并在使用 O(1) 额外空间的条件下完成。
Q1. 保龄球游戏的获胜者(Easy) https://leetcode.cn/problems/determine-the-winner-of-a-bowling-game/ 题目描述 给你两个下标从 0 开始的整数数组 player1 和player2 ,分别表示玩家 1 和玩家 2 击中的瓶数。 保龄球比赛由 n 轮组成,每轮的瓶数恰好为 10。 假设玩家在第 i 轮中击中 xi 个瓶子。
方法一:// https://leetcode.cn/problems/trim-a-binary-search-tree/description/ // 669. 修剪二叉搜索树 #include<iostream> #include<vector> using namespace std; struct TreeNode { int val; TreeNode *left; TreeNode *right; TreeNode() : val(...
Q1. 计算列车到站时间(Easy) 题目地址 https://leetcode.cn/problems/calculate-delayed-arrival-time/ 题目描述 给你一个正整数arrivalTime表示列车正点到站的时间(单位:小时),另给你一个正整数delayedTime表示列车延误的小时数。 返回列车实际到站的时间。
【leetcode_easy_array】1295. Find Numbers with Even Number of Digits,problem1295. FindNumberswithEvenNumberofDigitssolution1:计算数据的位数;code:solution2:根据数据范围确定数据位数;code:参考1.leetcode_1295. FindNumberswith