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LintCode-Digit Counts
Count the number of k's between 0 and n. k can be 0 - 9.Exampleif n=12, in [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12], we have FIVE 1's (1, 10, 11, 12...
分类:其他好文   时间:2014-12-31 08:41:07    阅读次数:507
Factorial Trailing Zeroes
Given an integern, return the number of trailing zeroes inn!.Note:Your solution should be in logarithmic time complexity.类似于cc:http://www.cnblogs.com/...
分类:其他好文   时间:2014-12-31 08:40:38    阅读次数:193
Bomb
Bomb Description The counter-terrorists found a time bomb in the dust. But this time the terrorists improve on the time bomb. The number sequence of the time bomb counts from 1 to N. I...
分类:其他好文   时间:2014-12-30 23:44:59    阅读次数:302
[leetcode]Sum Root to Leaf Numbers
问题描述: Given a binary tree containing digits from 0-9 only, each root-to-leaf path could represent a number. An example is the root-to-leaf path 1->2->3 which represents the number 123. Find the ...
分类:其他好文   时间:2014-12-30 23:40:44    阅读次数:173
[leetcode] Factorial Trailing Zeroes
题目:(Math)Given an integern, return the number of trailing zeroes inn!.Note:Your solution should be in logarithmic time complexity.题解:首先列几个例子找一找规律。然后发现...
分类:其他好文   时间:2014-12-30 23:26:41    阅读次数:170
HappyLeetcode39:Factorial Trailing Zeroes
Given an integer n, return the number of trailing zeroes in n!. Note: Your solution should be in logarithmic time complexity. 这个是我的代码,但是超时 class Solut...
分类:移动开发   时间:2014-12-30 22:06:15    阅读次数:169
LeetCode Factorial Trailing Zeroes
Given an integern, return the number of trailing zeroes inn!.Note:Your solution should be in logarithmic time complexity.Credits:Special thanks to@tsf...
分类:其他好文   时间:2014-12-30 22:01:42    阅读次数:107
[leetcode]Factorial Trailing Zeroes
问题描述: Given an integer n, return the number of trailing zeroes in n!. Note: Your solution should be in logarithmic time complexity. 基本思想 尾0的个数取决于5的个数。 代码: int trailingZeroes(int n) { //...
分类:其他好文   时间:2014-12-30 20:43:23    阅读次数:132
Factorial Trailing Zeroes
Given an integern, return the number of trailing zeroes inn!.Note:Your solution should be in logarithmic time complexity.只有2 * 5才会产生0只要计算出因子中2和5的个数取小的...
分类:其他好文   时间:2014-12-30 20:27:13    阅读次数:169
Python 网路编程读书笔记x UDP
UDP 协议基础在IP网络层,所有的数据包会向一个指定的主机传输Source IP -> Destination IP但是两台机器之间可能有许多独立的应用需要进行通信,因此为了区分不同的应用,所以有了端口号(port number)Source (IP : port number) -> Desti...
分类:编程语言   时间:2014-12-30 19:01:21    阅读次数:263
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