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乘积最大子序列 Maximum Product Subarray
[抄题]: 找出一个序列中乘积最大的连续子序列(至少包含一个数)。 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。 [暴力解法]: 时间分析:每次j循环时都要再循环i找起点,直接用global[i - 1]存起来表示前i个元素,就不用找(且只存到i - 1) 空 ...
分类:其他好文   时间:2018-03-07 00:43:21    阅读次数:174
[leetcode]Maximum Subarray
问题描写叙述: 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 ...
分类:其他好文   时间:2018-03-06 14:43:19    阅读次数:149
Codeforces 86D Powerful array(莫队)
题目链接:http://codeforces.com/problemset/problem/86/D 题目: An array of positive integers a1,?a2,?...,?an is given. Let us consider its arbitrary subarray  ...
分类:其他好文   时间:2018-02-23 00:24:58    阅读次数:164
[LeetCode] Maximum Sum of 3 Non-Overlapping Subarrays 三个菲重叠子数组的最大和
In a given array nums of positive integers, find three non-overlapping subarrays with maximum sum. Each subarray will be of size k, and we want to max ...
分类:移动开发   时间:2018-02-18 23:58:52    阅读次数:507
寒假 4
minimum length subarray: 解法一:滑动窗口法,先通过移动定right,然后移动定left,更新最小值。时间n,空间1。 解法二:找每个i的right,更新最小值;寻找的时候构造了辅助数组,用了分治。循环用分治,时间是nlogn,空间是n。 needle in haystack ...
分类:其他好文   时间:2018-02-01 23:08:45    阅读次数:187
[Leetcode] Maximum Subarray
Maximum Subarray 题解 题目来源:https://leetcode.com/problems/maximum subarray/description/ Description Find the contiguous subarray within an array (contain ...
分类:其他好文   时间:2018-01-28 17:24:20    阅读次数:170
Leetcode 523: Continuous Subarray Sum
Given a list of non-negative numbers and a target integer k, write a function to check if the array has a continuous subarray of size at least 2 that ...
分类:其他好文   时间:2018-01-28 12:49:20    阅读次数:173
LeetCode #53 Maximum Subarray
Description Find the contiguous subarray within an array (containing at least one number) which has the largest sum. Input Output 思路 CLRS 第四章练习题 4.1-5 ...
分类:其他好文   时间:2018-01-26 00:22:29    阅读次数:208
152. Maximum Product Subarray
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 https://www.cnblogs.com/tommychok/p/5199668.html ...
分类:其他好文   时间:2018-01-20 21:28:40    阅读次数:119
53. Maximum Subarray(动态规划)
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, ...
分类:其他好文   时间:2018-01-20 21:27:02    阅读次数:149
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