欧拉定理 V-E+F=C+1
Problem G
How Many Pieces of Land?
Input: Standard Input
Output: Standard Output
Time Limit: 3 seconds
You are given an elliptical shaped land and you are asked to ch...
分类:
其他好文 时间:
2015-02-02 00:42:26
阅读次数:
197
这两天有点时间,捣鼓了下那闲置好久的树莓派,把普通PC主板的蜂鸣器作为树莓派的报警器用。Raspberry Pi有许多的GPIO(General Purpose Input Output:通用输入/输出),可以用来控制和读取数字电路中TTL电平的逻辑0和逻辑1。我们要使用RPi的GPIO首先要知其G...
分类:
其他好文 时间:
2015-01-30 15:31:01
阅读次数:
778
Wavio Sequence
Time Limit:3000MS Memory Limit:0KB 64bit IO Format:%lld & %llu
Submit Status
Description
Problem D
Wavio Sequence
Input: Standard Input
Output: Standard Output...
分类:
其他好文 时间:
2015-01-30 09:16:46
阅读次数:
242
Assume ifle and ofile is the string object storing the names of input and output files' names.string ifile = "inputFile.txt";string ofile = "outputFil...
分类:
其他好文 时间:
2015-01-27 23:14:54
阅读次数:
343
Again Palindromes
Input: Standard Input
Output: Standard Output
Time Limit: 2 Seconds
A palindorme is a sequence of one or more characters that reads the same from the left as it does from th...
分类:
其他好文 时间:
2015-01-26 22:50:54
阅读次数:
205
Problem I
23 Out of 5
Input: standard input
Output: standard output
Time Limit: 1 second
Memory Limit: 32 MB
Your task is to write a program that can decide whether you can find an arithmetic ex...
分类:
其他好文 时间:
2015-01-26 17:07:04
阅读次数:
183
Problem C
Longest Run on a Snowboard
Input: standard input
Output: standard output
Time Limit: 5 seconds
Memory Limit: 32 MB
Michael likes snowboarding. That's not very surprising, since snow...
分类:
其他好文 时间:
2015-01-23 14:43:53
阅读次数:
111
D. New Year Santa Network
time limit per test
2 seconds
memory limit per test
256 megabytes
input
standard input
output
standard output
New Year is coming in Tree World! In this w...
分类:
Web程序 时间:
2015-01-20 22:21:52
阅读次数:
366
After you download the VirtualBox install package and install it (just defualt setting).Then you should download theubuntu.iso file from the website.T...
分类:
系统相关 时间:
2015-01-09 07:01:48
阅读次数:
298
7.点亮led的操作
Led可以作为我调试程序的工具。
OK6410的核心板原理图:led的部分截图: 我们从上面的原理图知道,led1-4对应的是GPM0-3. 2.GPIO
GPIO是General-Purpose Input/Output Ports:通用输入/输出端口。在嵌入式系统中,CPU...
分类:
其他好文 时间:
2015-01-03 17:14:57
阅读次数:
235