https://leetcode.com/problems/product-of-array-except-self/ 给一个vector<int> nums,输出一个vector<int> res,res[i]为nums中除去nums[i]以外所有数的乘积.且不能使用除法运算,时间复杂度为O(n),空间复杂度尽量小. 思路:首先从左往右遍历,对任意i,可以求得nums[0,i-1]的乘积:再从右往左遍历,对任意i,可以求得nums[i+1,n-1]的乘积.根据题意,只需要额外需要…

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…

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…

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…

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…

    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…

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…

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…

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…

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…