Find the contiguous subarray within an array (containing at least one number) which has the largest product. For example, given the array [2,3,-2,4],the contiguous subarray [2,3] has the largest product = 6. 此题要求是要在一个无需的数组找出一个乘积最大的连续子数组 例如[2,3,-2,4],…

Find the contiguous subarray within an array (containing at least one number) which has the largest product. For example, given the array [2,3,-2,4],the contiguous subarray [2,3] has the largest product = 6. 思路:类似最大和连续子序列那样,不过除了记录最大乘积,我们还要记录最小的乘积.这里我…

题目 乘积最大子序列 找出一个序列中乘积最大的连续子序列(至少包含一个数). 样例 比如, 序列 [2,3,-2,4] 中乘积最大的子序列为 [2,3] ,其乘积为6. 解题  法一:直接暴力求解 时间复杂度O(N2) public class Solution { /** * @param nums: an array of integers * @return: an integer */ public int maxProduct(int[] nums) { // write your c…

Add Date 2014-09-23 Maximum Product Subarray Find the contiguous subarray within an array (containing at least one number) which has the largest product. For example, given the array [2,3,-2,4],the contiguous subarray [2,3] has the largest product = …

Find the contiguous subarray within an array (containing at least one number) which has the largest product. For example, given the array [2,3,-2,4],the contiguous subarray [2,3] has the largest product = 6. 题目标签:Array, Dynamic Programming 题目给了我们一个nu…

Level:   Medium 题目描述: Given an integer array nums, find the contiguous subarray within an array (containing at least one number) which has the largest product. Example 1: Input: [2,3,-2,4] Output: 6 Explanation: [2,3] has the largest product 6. Examp…

题目链接:Maximum Product Subarray solutions同步在github 题目很简单,给一个数组,求一个连续的子数组,使得数组元素之积最大.这是求连续最大子序列和的加强版,我们可以先看看求连续最大子序列和的题目maximum-subarray,这题不难,我们举个例子. 假设数组[1, 2, -4, 5, -1, 10],前两个相加后得到3,更新最大值(为3),然后再加上-4后,和变成-1了,这时我们发现如果-1去加上5,不如舍弃前面相加的sum,5单独重新开始继续往后相加…

LeetCode Maximum Product Subarray Description Given a sequence of integers S = {S1, S2, . . . , Sn}, you should determine what is the value of the maximum positive product involving consecutive terms of S. If you cannot find a positive sequence, you…

Maximum Product Subarray Given an integer array nums, find the contiguous subarray within an array (containing at least one number) which has the largest product. Example 1: Input: [2,3,-2,4] Output: 6 Explanation: [2,3] has the largest product 6. Ex…

Maximum Subarray 一.题目描写叙述 就是求一个数组的最大子序列 二.思路及代码 首先我们想到暴力破解 public class Solution { public int maxSubArray(int[] nums) { int sum = Integer.MIN_VALUE; for(int i=0; i<nums.length; i++) for(int j=i+1; j<nums.length; j++) sum = Math.min(nums[i]+nums[j],…

53. Maximum Subarray 之前的值小于0就不加了.dp[i]表示以i结尾当前的最大和,所以需要用一个变量保存最大值. 动态规划的方法: class Solution { public: int maxSubArray(vector<int>& nums) { vector<int> dp(nums.size()); int res = INT_MIN; ;i < nums.size();i++){ dp[i] = nums[i]; &&…

Question 152. Maximum Product Subarray Solution 题目大意:求数列中连续子序列的最大连乘积 思路:动态规划实现,现在动态规划理解的还不透,照着公式往上套的,这个问题要注意正负,需要维护两个结果 Java实现: public int maxProduct(int[] nums) { if (nums.length == 1) return nums[0]; // 定义问题:状态及对状态的定义 // 设max[i]表示数列中第i项结尾的连续子序列的最大连…

Maximum Product Subarray Title: Find the contiguous subarray within an array (containing at least one number) which has the largest product. For example, given the array [2,3,-2,4],the contiguous subarray [2,3] has the largest product = 6. 对于Product…

Find the contiguous subarray within an array (containing at least one number) which has the largest product. For example, given the array [2,3,-2,4],the contiguous subarray [2,3] has the largest product = 6. 这个求最大子数组乘积问题是由最大子数组之和问题演变而来,但是却比求最大子数组之和要复…

Given an integer array nums, find the contiguous subarray within an array (containing at least one number) which has the largest product. Example 1: Input: [2,3,-2,4] Output: 6 Explanation: [2,3] has the largest product 6. Example 2: Input: [-2,0,-1]…

Find the contiguous subarray within an array (containing at least one number) which has the largest product. For example, given the array [2,3,-2,4],the contiguous subarray [2,3] has the largest product = 6. 题目大意:给定一个数组,找出最大连续子数组乘积. 解题思路: 解法一.我是用动态规划…

Find the contiguous subarray within an array (containing at least one number) which has the largest product. For example, given the array [2,3,-2,4],the contiguous subarray [2,3] has the largest product = 6. 求连续子序列最大乘积,类似于求连续子序列最大和,但是乘法还涉及到符号的问题,比较方便…

Find the contiguous subarray within an array (containing at least one number) which has the largest product. For example, given the array [2,3,-2,4],the contiguous subarray [2,3] has the largest product = 6. 子数组乘积最大 class Solution { public: int maxPr…

This a task that asks u to compute the maximum product from a continue subarray. However, you need to watch out the values' type contains positive, negative, zero. I solved it using dynamic process in which there are two arrays to achieve the goal. m…

［抄题］: Given an integer array nums, find the contiguous subarray within an array (containing at least one number) which has the largest product. Example 1: Input: [2,3,-2,4] Output: 6 Explanation: [2,3] has the largest product 6. Example 2: Input: [-2…

Given an integer array nums, find the contiguous subarray within an array (containing at least one number) which has the largest product. Example 1: Input: [2,3,-2,4] Output: 6 Explanation: [2,3] has the largest product 6. Example 2: Input: [-2,0,-1]…

Find the contiguous subarray within an array (containing at least one number) which has the largest product. For example, given the array [2,3,-2,4],the contiguous subarray [2,3] has the largest product = 6. Hide Tags Array Dynamic Programming      …

Given an integer array nums, find the contiguous subarray within an array (containing at least one number) which has the largest product. Example 1: Input: [2,3,-2,4] Output: 6 Explanation: [2,3] has the largest product 6. Example 2: Input: [-2,0,-1]…

Find the contiguous subarray within an array (containing at least one number) which has the largest product. For example, given the array [2,3,-2,4],the contiguous subarray [2,3] has the largest product = 6. 很显然是一个动态规划的问题,找到递归表达式就可以了,考虑到会有负负相乘的问题,所以应…

找出一个序列中乘积最大的连续子序列(该序列至少包含一个数).例如, 给定序列 [2,3,-2,4],其中乘积最大的子序列为 [2,3] 其乘积为 6.详见:https://leetcode.com/problems/maximum-product-subarray/description/ Java实现: 方法一: 用两个dp数组,其中f[i]表示子数组[0, i]范围内并且一定包含nums[i]数字的最大子数组乘积,g[i]表示子数组[0, i]范围内并且一定包含nums[i]数字的最小子数组…

题目描述 给定一个整数数组 nums ,找出一个序列中乘积最大的连续子序列(该序列至少包含一个数). 示例 1: 输入: [2,3,-2,4] 输出: 6 解释: 子数组 [2,3] 有最大乘积 6. 示例 2: 输入: [-2,0,-1] 输出: 0 解释: 结果不能为 2, 因为 [-2,-1] 不是子数组. 解题思路 利用动态规划思想,因为两个负数相乘会变成正数,所以对于每个位置要记录当前子序列的乘积最大值和最小值,这样状态转移方程为: maxNum = max(maxNums[i - 1…

给定一个整数数组 nums ,找出一个序列中乘积最大的连续子序列(该序列至少包含一个数). 示例 1: 输入: [2,3,-2,4] 输出: 6 解释: 子数组 [2,3] 有最大乘积 6. 示例 2: 输入: [-2,0,-1] 输出: 0 解释: 结果不能为 2, 因为 [-2,-1] 不是子数组. 维护三个变量:局部最大值,局部最小值,总最大值 class Solution { public: int maxProduct(vector<int>& nums) { int len…

题目大意: 连续最大子段积 题目思路: 最大值只能产生在一个正数x一个正数,一个负数乘一个负数,所以维护两个值,一个区间最大值,一个最小值 其他的话: 在讨论这个问题之前,我先来说一说大一刚开学就学了的最简单的dp问题之一的[最大连续子序列] 先来看一个数组a{ -2, 11, -4, 13, -5, -2 },求连续子序列中和最大的那个 对于第i个数来说,dp[i]表示,以i结尾的序列最大的和为dp[i] 状态转移方程为dp[i] = max{ dp[i-1] + a[i], a[i] } 无…

Find the contiguous subarray within an array (containing at least one number) which has the largest product. For example, given the array [2,3,-2,4],the contiguous subarray [2,3] has the largest product = 6. 分析:这个题目就是让你求连续的子数组的乘积的最大值. (1)在数组中没有0的情况下,…

1.(原文)问题描述 Find the contiguous subarray within an array (containing at least one number) which has the largest product. For example, given the array [2,3,-2,4], the contiguous subarray [2,3] has the largest product = 6. 2.翻译 找最大的数组中的子数组乘积 例如,给予的数组是[2…