Given an integern, return the number of trailing zeroes inn!.Note:Your solution should be in logarithmic time complexity.Credits:Special thanks to@tsf...
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其他好文 时间:
2014-12-30 22:01:42
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107
装饰器前面提过了,采用python的闭包特性实现: from time import time
from time import sleep def count_time(): def tmp(func): def wrapped(*args, **kargs): begin_time = time...
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其他好文 时间:
2014-12-30 22:01:11
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151
Best Time to Buy and Sell Stock IISay you have an array for which theithelement is the price of a given stock on dayi.Design an algorithm to find the ...
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其他好文 时间:
2014-12-30 21:52:44
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198
还是畅通工程
Time Limit: 4000/2000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)
Total Submission(s): 27443 Accepted Submission(s): 12212
Problem Description
某省调查乡村交通状况,得到的统计表...
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其他好文 时间:
2014-12-30 20:50:49
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216
Walk
Time Limit: 30000/15000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others)
Total Submission(s): 651 Accepted Submission(s): 402
Special Judge
Problem Description
I used to th...
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其他好文 时间:
2014-12-30 20:44:52
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195
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) { //...
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其他好文 时间:
2014-12-30 20:43:23
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132
在项目中,YS私有协议用到多播技术,在验证其安全特性时用到python去发送多播包,在此做个记录。 多播服务器用于向多播组发送多播数据包,其实现代码如下: #coding:utf-8,
import socket import time ANY = '0.0.0.0'
SENDERPORT=1501...
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编程语言 时间:
2014-12-30 20:32:46
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234
单纯的字符串比较结果不精确.select*from表明wheretimes>'2088/12/8 10:02:40'(×)转换函数如下(数据库为varchar):select*fromh_hotelcontextwherenow()betweenSTR_TO_DATE(Start_time,'%Y-...
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数据库 时间:
2014-12-30 20:28:38
阅读次数:
401
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...
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其他好文 时间:
2014-12-30 20:27:13
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169
畅通工程
Time Limit: 1000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)
Total Submission(s): 18223 Accepted Submission(s): 7726
Problem Description
省政府“畅通工程”的目标是使全省任何两个...
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编程语言 时间:
2014-12-30 19:08:26
阅读次数:
178