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二、数据挖掘
了解统计学 实用统计 教材 高老师 人大吴喜之老师的 《从数据到结论》 教材和资料 需要懂点统计 population 数据全集 sample 一部分数据 实际处理数据 基本为样本 statistics 统计量 《女士品茶》 统计发展史 mean 平均值 median 中位数 mode 众数 出现最 ...
分类:其他好文   时间:2016-10-15 22:46:11    阅读次数:157
[LintCode] Median of Two Sorted Arrays 两个有序数组的中位数
There are two sorted arrays A and B of size m and n respectively. Find the median of the two sorted arrays. There are two sorted arrays A and B of siz ...
分类:编程语言   时间:2016-10-10 07:39:23    阅读次数:228
Median of Two Sorted Arrays
题目如下: Python代码: 补充说一句,我写的虽然最后结果对,但是题目对算法要求时间复杂度要为log(m+n),没达到要求。 ...
分类:其他好文   时间:2016-10-06 22:15:07    阅读次数:245
Median of Two Sorted Arrays问题
问题描述: There are two sorted arrays nums1 and nums2 of size m and n respectively. Find the median of the two sorted arrays. The overall run time complex ...
分类:其他好文   时间:2016-10-06 17:34:45    阅读次数:268
leetcode4. Median of Two Sorted Arrays
题目大意:找到两个排序数组的中位数。 水了一发,将两个数组合并为一个数组,直接输出中位数了。(可见leetcode好像并没有对时间进行控制)。 另一种方法: 该问题换成另一种说法就是:寻找两个数组中第K小的数字,这里K=(m+n)/ 2。 首先假设数组A和B的元素个数都大于k/2,我们比较A[k/2 ...
分类:其他好文   时间:2016-10-02 17:11:35    阅读次数:145
Median of Two Sorted Arrays
There are two sorted arrays nums1 and nums2 of size m and n respectively. Find the median of the two sorted arrays. The overall run time complexity sh ...
分类:其他好文   时间:2016-10-01 17:27:20    阅读次数:251
Median Weight Bead_floyd
Description There are N beads which of the same shape and size, but with different weights. N is an odd number and the beads are labeled as 1, 2, ..., ...
分类:其他好文   时间:2016-09-30 23:32:12    阅读次数:221
295. Find Median from Data Stream
Median is the middle value in an ordered integer list. If the size of the list is even, there is no middle value. So the median is the mean of the two ...
分类:其他好文   时间:2016-09-27 13:08:46    阅读次数:132
No.004:Median of Two Sorted Arrays
题目: There are two sorted arrays nums1 and nums2 of size m and n respectively.Find the median of the two sorted arrays. The overall run time complexity ...
分类:其他好文   时间:2016-09-26 14:47:29    阅读次数:128
004. Median of Two Sorted Arrays
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分类:其他好文   时间:2016-09-24 10:32:55    阅读次数:81
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