One important factor to identify acute stroke (急性脑卒中) is the volume of the stroke core. Given the results of image analysis in which the core regions ...
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其他好文 时间:
2015-12-06 13:03:35
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196
思路和ugly2一样,不过是变成了一组factor,用一个priority求出每次最小的,同时维护一个conut数组,记录每个factor走的次数有一个500000的过不了,超限了,无耻的写了一行作弊的代码public class Solution { public int nthSuperU...
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其他好文 时间:
2015-12-03 09:54:41
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119
题目:Numbers can be regarded as product of its factors. For example,8 = 2 x 2 x 2; = 2 x 4.Write a function that takes an integernand return all possib....
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其他好文 时间:
2015-12-03 02:05:09
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710
How much training data do you need?The quality and amount of training data is often the single most dominant factor that determines the performance of...
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其他好文 时间:
2015-11-29 21:16:57
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300
用归纳法分析可以知道死循环只有4。分析一下复杂度,如果n很大并且不是素数,根据基本不等式可以知道 sum factor(n)≥2+n/2≈ n/2。复杂度是O(T*logN*sqrt(N)),这个上界比较松。如果是用Pollard_rho再开个平方估计常数也差不多了。#includeusing na...
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其他好文 时间:
2015-11-29 13:30:01
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184
这个题目比较要注意的一点是如何防止重复。在dfs中,下一层的因子应该大于等于上一层的public class Solution { List> result = new ArrayList>(); public List> getFactors(int n) { if (n...
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其他好文 时间:
2015-11-26 17:10:15
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162
In my understanding, factor analysis is a method developed to avoid the mass estimation of the variance-covariance matrix when doing Markowitz Allocat...
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其他好文 时间:
2015-11-20 21:43:19
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194
1.iPhone尺寸规格设备iPhone宽Width高Height对角线Diagonal逻辑分辨率(point)Scale Factor设备分辨率(pixel)PPI3GS2.4 inches (62.1 mm)4.5 inches (115.5 mm)3.5-inch320x480@1x320x4...
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其他好文 时间:
2015-11-19 18:48:49
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350
In my understanding, factor analysis is a method developed to avoid the mass estimation of the variance-covariance matrix when doing Markowitz Allocat...
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其他好文 时间:
2015-11-18 00:41:43
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159
Two-factor Authentication (2FA) 使用方式3种:1.Generating a code through a TOTP application2.Using a FIDO U2F security key3.Receiving a text message https:/...
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其他好文 时间:
2015-11-13 06:15:30
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471