https://discuss.leetcode.com/topic/64735/java-simple-solution LeetCode 题目列表 -LeetCode Questions List
CodeTestcase Test Result Test Result 565. Array Nesting Medium Topics Companies You are given an integer array nums of length n where nums is a permutation of the numbers in the range [0, n - 1]. You should build a set s[k] = {nums[k], nums[nums[k]], nums[nums[nums[k]]...
LeetCode 题目列表 -LeetCode Questions List
Returnanm x n2D array constructed according to the above procedure, or an empty 2D array if it is impossible. Example 1: Input:original = [1,2,3,4], m = 2, n = 2Output:[[1,2],[3,4]]Explanation:The constructed 2D array should contain 2 rows and 2 columns. The first group of...
https://leetcode.com/explore/interview/card/top-interview-questions-easy/92/array/646/leetcode.com/explore/interview/card/top-interview-questions-easy/92/array/646/ Solutions: Given an array, rotate the array to the right byksteps, wherekis non-negative. ...
Leetcode之 Spiral Matrix 问题 问题描述: Given a matrix of m x n elements (m rows, n columns), return all elements of the matrix in spiral order. 示例: [ [ 1, 2, 3 ], [ 4, 5, 6 ], [ 7, 8, 9 ] ] You should return [1,2,3,6,9,8,7,4,5]. 问题来源... ...
https://leetcode-cn.com/explore/interview/card/top-interview-questions-easy/1/array/30/ 题目分析 原题内容如下: 题意拆解: 1、首先,输入是一个二维数组,二维数组的结果是列表嵌套列表,而最里层的列表里接收的是数字和 . 号。 2、根据已经输入的数字,判断是否符合数独的条件。 3、数独条件为:每一列...
LeetCode Top 100 Liked Questions 238. Product of Array Except Self (Java版; Medium) 题目描述 Given an array nums of n integers where n > 1, return an array output such that output[i] is equal to the product of all the elements of nums except nums[i]. ...
LeetCode Top 100 Liked Questions 34. Find First and Last Position of Element in Sorted Array(Java版; Medium) 题目描述 Given an array of integers nums sorted in ascending order, find the starting and ending position of a given target value. ...
我正在编写一个leetcode问题:使用Java 8编写。当我使用Arrays.stream(integer_array).sum()计算和时,我的解得到了TLE,而使用迭代计算数组中的元素和时,同样的解被接受。这个问题的最佳时间复杂度是O(n),当使用Java 8中的流API时,我很惊讶地得到了TLE,我只在O(n)中实现