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UVA 4854 A Digital Satire of Digital Age(模拟)
The government of “Moderdesh” is planning to enter the digital age and so people of different profession and business are proposing different ways to enter that age successfully. The hardware vendors...
分类:其他好文   时间:2015-08-20 19:01:34    阅读次数:204
数字签名是什么?
数字签名是什么?作者:阮一峰日期:2011年8月 9日今天,我读到一篇好文章。它用图片通俗易懂地解释了,"数字签名"(digital signature)和"数字证书"(digital certificate)到底是什么。我对这些问题的理解,一直是模模糊糊的,很多细节搞不清楚。读完这篇文章后,发现思...
分类:其他好文   时间:2015-08-19 12:48:17    阅读次数:117
Digit Root ---- 余九定理
题目:hdu1013, hdu1061, hdu1163, hdu1197.ordr(n) = (n-1)%9+1.其中,n-1是为了将结果0-8匹配到1-9.Reference:[1]https://en.wikipedia.org/wiki/Digital_root[2]https://en.w...
分类:其他好文   时间:2015-08-18 18:59:25    阅读次数:498
NBUT 1219 Time
[1219] Time 时间限制: 1000 ms 内存限制: 131072 K 问题描述 Digital clock use 4 digits to express time, each digit is described by 3*3 characters (including”|”,”_”and” “).now given the current time, plea...
分类:其他好文   时间:2015-08-18 16:27:05    阅读次数:124
Eddy's digital Roots
Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 5238    Accepted Submission(s): 2925 Problem Description The digital root of a positiv...
分类:其他好文   时间:2015-08-18 11:50:30    阅读次数:180
HDU 1013.Digital Roots【模拟或数论】【8月16】
Digital Roots 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 ...
分类:其他好文   时间:2015-08-16 18:22:31    阅读次数:85
sgu 118 Digital root
Thedigital root(alsorepeated digital sum) of anon-negative integeris the (single digit) value obtained by an iterative process ofsumming digits规律题题意 ....
分类:其他好文   时间:2015-08-16 12:01:55    阅读次数:98
智能设备只依托加速度感应计算距离是否可行?
感觉主要的问题在于精度。我去随便查了一种移动设备上可以用的加速度计:LIS2DH12 MEMS digital output motion sensor: ultra low-power high performance 3-axes femto accelerometer它的最高精度为1mg/LS...
分类:其他好文   时间:2015-08-13 23:36:59    阅读次数:198
hdu 1013 Digital Roots(数论 模拟)
#include#include#includeusing namespace std;char num[10000];int get_sum(){ int ret=0; for(int i=0;i<strlen(num);i++) { ret+=(num[i]-'0...
分类:其他好文   时间:2015-08-13 23:35:24    阅读次数:183
Eddy's digital Roots
http://acm.hdu.edu.cn/showproblem.php?pid=1163 Eddy's digital Roots Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 5203    Accepted Sub...
分类:其他好文   时间:2015-08-13 15:49:26    阅读次数:145
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