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Minimum Size Subarray Sum
暂时理解不了二分那个算法O(n)public class Solution { public int minSubArrayLen(int s, int[] nums) { // http://bookshadow.com/weblog/2015/05/12/leetcode-m...
分类:其他好文   时间:2015-05-28 07:05:14    阅读次数:89
[LeetCode] Maximum Subarray
Maximum Subarray 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,?1,2,1,?5,4], the contiguous ...
分类:其他好文   时间:2015-05-27 17:18:16    阅读次数:103
LeetCode: 53 Maximum Subarray
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,?1,2,1,...
分类:其他好文   时间:2015-05-27 08:37:27    阅读次数:126
Minimum Size Subarray Sum —— LeetCode
Given an array ofnpositive integers and a positive integers, find the minimal length of a subarray of which the sum ≥s. If there isn't one, return 0 i...
分类:其他好文   时间:2015-05-25 18:12:05    阅读次数:153
HackerRank - "Maximise Sum"
It is modulo version of "max sum of contiguous subarray". So similar pattern can be applied too, but with tricks regarding to modulo ops.I checked edi...
分类:其他好文   时间:2015-05-22 14:55:43    阅读次数:136
Major Number
1.Given an array of integers, find a contiguous subarray which has the largest sum.hint: Go through the array with 2 variable -- cur and count. cur i....
分类:其他好文   时间:2015-05-21 16:52:25    阅读次数:107
209-Minimum Size Subarray Sum
【题目】 假定给出一个有n个正整数的数组num和一个正整数s,找出一个子数组使其和sum大于s并返回子数组最小长度。如果不存在就返回0 举例:数组[2,3,1,2,4,3]和s=7 子数组[4,3]满足条件【分析】 1. 首先想到是两层for循环的方式,明显不会AC 2. 优化的方...
分类:其他好文   时间:2015-05-20 12:41:31    阅读次数:108
leetcode_Maximum Product Subarray
0.动态规划问题,和求最大连续和maximum subarray类似,但感觉比求最大连续和复杂的多 1.以0为分割元素获得一系列的区间 2.对每一个区间求最大值 3.具体到每一个区间,顺序查找一遍寻找最大的序列,逆序查找一遍寻找最大的序列,求顺序或逆序查找的最大值 4.注意:(tempCount1&1) == 1)可以节省好多时间,用%2==1就不行...
分类:其他好文   时间:2015-05-18 10:59:04    阅读次数:146
leetcode_Minimum Size Subarray Sum
1.找到第一符合条件的长度 2.先加上后面的一个元素 3.如果减去前面的一个元素后sum小于target,转到2 3.减去前面的n个元素后符合条件&&减去前面的n+1个元素后不符合条件,获得一个新的长度,跟最小长度相比,小于minLen,更新minLen=newLen 4.若果start<end&&end<nums.length,转至2...
分类:其他好文   时间:2015-05-18 10:56:39    阅读次数:125
Minimum Size Subarray Sum
Minimum Size Subarray Sum问题:Given an array ofnpositive integers and a positive integers, find the minimal length of a subarray of which the sum ≥s. If...
分类:其他好文   时间:2015-05-18 10:29:36    阅读次数:103
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