Given a non negative integer number num. For every numbers i in the range 0 ≤ i ≤ num calculate the number of 1's in their binary representation and r ...
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其他好文 时间:
2017-05-19 11:13:54
阅读次数:
144
Given a binary search tree with non-negative values, find the minimum absolute difference between values of any two nodes.Example:Input: 1 \ 3 / 2 Out... ...
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其他好文 时间:
2017-05-19 01:00:11
阅读次数:
351
》》以下内容参考wikipedia。 precision 精确度 recall 召回率 样本数据可看成如下两组: false negative 伪负例 true negative 真负例 被算法挑选出的数据可看成如下两组: true positive 真正例 false positive 伪正例 即 ...
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其他好文 时间:
2017-05-16 23:26:45
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200
problem: Given n non-negative integers a1, a2, ..., an, where each represents a point at coordinate (i, ai). n vertical lines are drawn such that the ...
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其他好文 时间:
2017-05-16 23:13:17
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174
Description: Count the number of prime numbers less than a non-negative number, n. 推断一个数是否是质数主要有下面几种方法: 1)直接用该数除于全部小于它的数(非0。1),假设均不能被它整除,则其是质数。 2)除以小于 ...
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其他好文 时间:
2017-05-16 17:24:16
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164
Given a m x n grid filled with non-negative numbers, find a path from top left to bottom right which minimizes the sum of all numbers along its path. ...
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其他好文 时间:
2017-05-15 23:43:51
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217
Problem statement: Given an m x n matrix of non-negative integers representing the height of each unit cell in a continent, the "Pacific ocean" touche ...
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其他好文 时间:
2017-05-15 13:02:19
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225
题目: Given n non-negative integers a1, a2, ..., an, where each represents a point at coordinate (i, ai). n vertical lines are drawn such that the two e ...
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编程语言 时间:
2017-05-14 20:38:08
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171
Problem Description Teacher Mai is in a maze with n rows and m columns. There is a non-negative number in each cell. Teacher Mai wants to walk from th ...
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其他好文 时间:
2017-05-14 18:50:08
阅读次数:
252
Given an integer n, count the total number of digit 1 appearing in all non-negative integers less than or equal to n. For example: Given n = 13, Retur ...
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其他好文 时间:
2017-05-13 20:10:54
阅读次数:
169