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...
Given an array of2nintegers, your task is to group these integers intonpairs of integer, say (a1, b1), (a2, b2), ..., (an, bn) which makes sum of min(ai, bi) for all i from 1 to n as large as possible. Example 1: Input:[ 1,4,3,2]Output:4Explanation:n is 2, and...
LeetCode Top Interview Questions 66. Plus One (Java版; Easy) 题目描述 Given a non-empty array of digits representing a non-negative integer, plus one to the integer. The digits are stored such that the most significant digit is at the head of the list, and each element in the array co...
1413. Minimum Value to Get Positive Step by Step Sum solution #1: 按步骤一步步计算求解; code: solution #2: 推演数学逻辑; 1. 能够推导求解背后的逻辑过程; 2. 确定最大值还是最小值; 3. 记得结果不能小于1; 4. 可以边求累加和边确定比较值; 参考 1. leetcode_1413. M...
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/maximum-subarray/descrip...
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...
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。
刷题链接:https://leetcode-cn.com/problems/merge-sorted-array/ 在这里提供两套解题思路: 直接将nums1后续的值填满,调用Arrays...不断++,则可不断获得n-1,n-2,n-3的值。即可成功解题。 public void merge(int[] nums1, int m, int[] nums2, int n) { for(int 88. Merge Sorted Array Given...
[leetcode][easy][Array][1][Two Sum]Two Sum 题目链接 题目描述 给定一个int类型数组,要求返回其中两个数字的索引,使得它们的和为指定的目标值。 约定 每个给定输入有且只有1种结果。 返回的两个索引不能为同一个值。 示例 Given nums = [2, 7, 11, 15], target = 9, Because nums[0] + nums[...
LeetCode Array Easy169. Majority Element Description Given an array of sizen, find the majority element. The majority element is the element that appears more than⌊ n/2 ⌋times. You may assume that the array is non-empty and the majority element always exist in the array....