问题描述：Given an array of integers, find two numbers such that they add up to a specific target number.The function twoSum should return indices of the t...
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其他好文 时间：
2015-06-10 13:53:06
阅读次数：
104
题目：
Regular Expression Matching
'.' Matches any single character.
'*' Matches zero or more of the preceding element.
The matching should cover the entire input string (not partial).
The...
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其他好文 时间：
2015-06-10 09:02:26
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114
Given an array of integers, every element appears twice except for one. Find that single one.Note:
Your algorithm should have a linear runtime complexity. Could you implement it without using extra me...
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其他好文 时间：
2015-06-10 08:59:53
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114
Find all possible combinations of k numbers that add up to a number n, given that only numbers from 1 to 9 can be used and each combination should be ...
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编程语言 时间：
2015-06-09 23:16:23
阅读次数：
144
Given an array of integers, find if the array contains any duplicates. Your function should return true if any value appears at least twice in the arr...
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编程语言 时间：
2015-06-09 23:09:15
阅读次数：
141
Give an array of integers,find two numbers such that they add up to a specific target number. The function twoSum should return indices of the two num...
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其他好文 时间：
2015-06-09 21:25:47
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127
first you should download the thirdparty asl hsl blas lapack metis mumps, by get.* or personally downloaded from the web site for hsl.then mkdir build...
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其他好文 时间：
2015-06-09 21:24:29
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183
Given an integer n, return the number of trailing zeroes in n!.
Note: Your solution should be in logarithmic time complexity.
方法：找1...n中每个数因式分解中，5的个数（5的个数一般大于2的个数），即为10的个数
注意：题目要求时间复杂度：...
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其他好文 时间：
2015-06-09 17:23:55
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110
Given an array of integers, find two numbers such that they add up to a specific target number.The function twoSum should return indices of the two numbers such that they add up to the target, where in...
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其他好文 时间：
2015-06-09 17:12:28
阅读次数：
97
Given an array of integers, find if the array contains any duplicates. Your function should return true if any value appears at least twice in the array, and it should return false if every element is...
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其他好文 时间：
2015-06-09 11:54:27
阅读次数：
106
