238. [LeetCode] Product of Array Except Self

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238. [LeetCode] Product of Array Except Self

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]. Example: Input: [1,2,3,4] Output: [24,12,8,6] Note: Please solve it without division and in…

【LeetCode 238】Product of Array Except Self

Given an array of n integers where n > 1, nums, return an array output such that output[i] is equal to the product of all the elements of nums except nums[i]. Solve it without division and in O(n). For example, given [1,2,3,4], return [24,12,8,6]. Fo…

LeetCode（238） Product of Array Except Self

题目 Given an array of n integers where n > 1, nums, return an array output such that output[i] is equal to the product of all the elements of nums except nums[i]. Solve it without division and in O(n). For example, given [1,2,3,4], return [24,12,8,6].…

[LeetCode] Product of Array Except Self 除本身之外的数组之积

Given an array of n integers where n > 1, nums, return an array output such that output[i] is equal to the product of all the elements of nums except nums[i]. Solve it without division and in O(n). For example, given [1,2,3,4], return [24,12,8,6]. Fo…

LeetCode——Product of Array Except Self

Description: Given an array of n integers where n > 1, nums, return an array output such that output[i] is equal to the product of all the elements of nums except nums[i]. Solve it without division and in O(n). For example, given [1,2,3,4], return [2…

LeetCode -- Product of Array Except Self My Submissions Question

Question: Given an array of n integers where n > 1, nums, return an array output such that output[i] is equal to the product of all the elements of nums except nums[i]. Solve it without division and in O(n). For example, given [1,2,3,4], return [24,1…

LeetCode: Product of Array Except Self

Dynamic Programming public class Solution { public int[] productExceptSelf(int[] nums) { int[] ans = new int[nums.length]; for (int i = 0; i < ans.length; i++) ans[i] = 1; int product = 1; for (int i = 1; i < ans.length; i++) { product *= nums[i-1];…

LeetCode Product of Array Except Self （除自身外序列之积）

题意:给一个序列nums,要求返回一个序列ans,两序列元素个数相同,ans第i个元素就是除了nums[i]之外所有的数相乘之积. 思路:时间O(n),额外空间O(0). 第一次扫一遍,处理nums[0~i-1]的积作为ans[i],这样的ans[i]就得到了i之前所有数之积,那么只剩下i后面所有数之积. 第二次从后往前扫,跟第一次的做法一样,但是这次得开个临时变量存储积了. class Solution { public: vector<int> productExceptSelf(vect…

LeetCode OJ 238. Product of Array Except Self 解题报告

题目链接:https://leetcode.com/problems/product-of-array-except-self/ 238. Product of Array Except Self My Submissions Question Total Accepted: 36393 Total Submissions: 87262 Difficulty: Medium Given an array of n integers where n > 1, nums, return an…

LeetCode 238. 除自身以外数组的乘积(Product of Array Except Self)

238. 除自身以外数组的乘积 238. Product of Array Except Self 题目描述 LeetCode LeetCode238. Product of Array Except Self中等 Java 实现 class Solution { public int[] productExceptSelf(int[] nums) { int n = nums.length; int[] before = new int[n], after = new int[n], res…

LN : leetcode 238 Product of Array Except Self

lc 238 Product of Array Except Self 238 Product of Array Except Self Given an array of n integers where n > 1, nums, return an array output such that output[i] is equal to the product of all the elements of nums except nums[i]. Solve it without divis…

leetcode 11. Container With Most Water 、42. Trapping Rain Water 、238. Product of Array Except Self 、407. Trapping Rain Water II

11. Container With Most Water https://www.cnblogs.com/grandyang/p/4455109.html 用双指针向中间滑动,较小的高度就作为当前情况的高度,然后循环找容量的最大值. 不管两个指针中间有多少高度的柱子,只管两头,因为两头的才决定最大容量. class Solution { public: int maxArea(vector<int>& height) { if(height.empty()) ; ; ,end = h…

【LeetCode】238. Product of Array Except Self

Product of Array Except Self Given an array of n integers where n > 1, nums, return an array output such that output[i] is equal to the product of all the elements of nums except nums[i]. Solve it without division and in O(n). For example, given [1,2…

leetcode：238. Product of Array Except Self（Java）解答

转载请注明出处:z_zhaojun的博客原文地址题目地址 Product of Array Except Self Given an array of n integers where n > 1, nums, return an array output such that output[i] is equal to the product of all the elements of nums except nums[i]. Solve it without division and i…

【刷题-LeetCode】238. Product of Array Except Self

Product of Array Except Self 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]. Example: Input: [1,2,3,4] Output: [24,12,8,6] Constraint: It's…

238. Product of Array Except Self（对O（n）和递归又有了新的理解）

238. Product of Array Except Self Total Accepted: 41565 Total Submissions: 97898 Difficulty: Medium Given an array of n integers where n > 1, nums, return an array output such that output[i] is equal to the product of all the elements of nums exc…

【LeetCode】Product of Array Except Self

Product of Array Except Self Given an array of n integers where n > 1, nums, return an array output such that output[i] is equal to the product of all the elements of nums except nums[i]. Solve it without division and in O(n). For example, given [1,2…

[LintCode] Product of Array Except Self 除本身之外的数组之积

Given an integers array A. Define B[i] = A[0] * ... * A[i-1] * A[i+1] * ... * A[n-1], calculate B WITHOUT divide operation. Have you met this question in a real interview? Yes Example For A = [1, 2, 3], return [6, 3, 2]. LeetCode上的原题,请参见我之前的博客Product…

【08_238】Product of Array Except Self

Product of Array Except Self Total Accepted: 26470 Total Submissions: 66930 Difficulty: Medium Given an array of n integers where n > 1, nums, return an array output such that output[i] is equal to the product of all the elements of numsexcept nums[i…

LeetCode:Convert Sorted Array to Binary Search Tree,Convert Sorted List to Binary Search Tree

LeetCode:Convert Sorted Array to Binary Search Tree Given an array where elements are sorted in ascending order, convert it to a height balanced BST 分析:找到数组的中间数据作为根节点,小于中间数据的数组来构造作为左子树,大于中间数据的数组来构造右子树,递归解法如下 /** * Definition for binary tree * struct…

leetcode 238 & leetcode 152 & leetcode 228

lc238 Product of Array Except Self 遍历两次数组用一个res[] 记录答案 1) 第一次,从左往右遍历 res[i] 记录0~i-1的乘积 2) 第二次,从右往左遍历 res[i] *= right right *= nums[i] 注意两者顺序,right初值为1,更新步骤一定要在res[i]乘完之后,因为res *= right的目的是补上i+1~j这一部分的乘积,而不是i~j. class Solution { public int[] productE…

[LeetCode] 238. Product of Array Except Self 除本身之外的数组之积

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 numsexcept nums[i]. Example: Input: [1,2,3,4] Output: [24,12,8,6] Note: Please solve it without division and in…

LeetCode 238. Product of Array Except Self （去除自己的数组之积）

Given an array of n integers where n > 1, nums, return an array output such that output[i] is equal to the product of all the elements of nums except nums[i]. Solve it without division and in O(n). For example, given [1,2,3,4], return [24,12,8,6]. Fo…

【LeetCode】238. Product of Array Except Self 解题报告（Python & C++）

作者: 负雪明烛 id: fuxuemingzhu 个人博客: http://fuxuemingzhu.cn/ 目录题目描述解题方法两次遍历日期题目地址:https://leetcode.com/problems/product-of-array-except-self/description/ 题目描述 Given an array of n integers where n > 1, nums, return an array output such that output[i]…

(medium)LeetCode 238.Product of Array Except Self

Given an array of n integers where n > 1, nums, return an array output such that output[i] is equal to the product of all the elements of nums except nums[i]. Solve it without division and in O(n). For example, given [1,2,3,4], return [24,12,8,6]. Fo…

Java [Leetcode 238]Product of Array Except Self

题目描述: Given an array of n integers where n > 1, nums, return an array output such that output[i] is equal to the product of all the elements of nums except nums[i]. Solve it without division and in O(n). For example, given [1,2,3,4], return [24,12,8,…

C#解leetcode 238. Product of Array Except Self

Given an array of n integers where n > 1, nums, return an array output such that output[i] is equal to the product of all the elements of nums except nums[i]. Solve it without division and in O(n). For example, given [1,2,3,4], return [24,12,8,6]. Fo…