Problem Description
The digital root of a positive integer is found by summing the digits of the integer. If the resulting value is a single digit then that digit is the digital root. If the resulting value contains two or more digits, those digits are sum...
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其他好文 时间：
2015-02-08 18:14:30
阅读次数：
113
k SumShow ResultMy Submissionshttp://www.lintcode.com/en/problem/k-sum/题目来自九章算法13%AcceptedGiven n distinct positive integers, integer k (k = 0) { ...
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其他好文 时间：
2015-02-08 09:01:04
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197
时间限制50 ms内存限制65536 kB代码长度限制16000 B判题程序Standard作者HE, QinmingGiven any positive integer N, you are supposed to find all of its prime factors, and write ...
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其他好文 时间：
2015-02-08 00:17:46
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186
时间限制100 ms内存限制65536 kB代码长度限制16000 B判题程序Standard作者CHEN, YueThe task of this problem is simple: insert a sequence of distinct positive integers into a h...
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其他好文 时间：
2015-02-07 22:54:49
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161
题目要求：First Missing PositiveGiven an unsorted integer array, find the first missing positive integer.For example,Given[1,2,0]return3,and[3,4,-1,1]retur...
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其他好文 时间：
2015-02-07 21:36:58
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178
First Missing PositiveGiven an unsorted integer array, find the first missing positive integer.For example,Given[1,2,0]return3,and[3,4,-1,1]return2.Yo...
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其他好文 时间：
2015-02-07 20:17:25
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127
Problem Description
You are given N positive integers, denoted as x0, x1 ... xN-1. Then give you some intervals [l, r]. For each interval, you need to find a number x to make as small as possible!
Input
The first line is an integer T (T <= 10), indicat...
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其他好文 时间：
2015-02-07 14:39:36
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205
Q：Given a positive integer, return its corresponding column title as appear in an Excel sheet.For example:1 -> A
2 -> B
3 -> C
...
26 -> Z
27 -> AA
28 -> AB
这道题是Excel Sheet Column Number的反转。
与一般的N进制的...
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其他好文 时间：
2015-02-07 13:12:54
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131
正则表达式的先行断言和后行断言一共有4种形式：(?=pattern) 零宽正向先行断言(zero-width positive lookahead assertion)(?!pattern) 零宽负向先行断言(zero-width negative lookahead assertion)(?<=p...
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其他好文 时间：
2015-02-06 23:06:51
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360
Problem Description
The least common multiple (LCM) of a set of positive integers is the smallest positive integer which is divisible by all the numbers in the set. For example, the LCM of 5, 7 and 1...
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其他好文 时间：
2015-02-06 21:51:26
阅读次数：
238
