There is a fractional sequence of 2/1 + 3/2 + 5/3 + 8/5 + 13/8 +... Find the sum of the first 20 items of the series.Program:
# Include
Output result: 32.660261 Press any key to continue
C language: There is a score sequence: 2/1 + 3/2 + 5/3 + 8/5 + 13/8 +... Find the sum of the first 20 items in this seriesProgram:
# Include
Output result: 32.660261 Press any key to continue
Vector used: # include # Include Using namespace STD;
Int fenshu (INT );
Int main ()
{
Double sum = 0, sum1 = 0;
For (INT I = 2; I {
Sum1 + = fenshu (I );
}
Sum = sum1 + 0.5;
Cout Return 0;
}
Int fenshu (INT index)
{
Double temp;
Vector A. Reserve (3 );
A. At (0) = 1;
A. at (1) = 2;
For (INT I = 2; I {
A. insert (A. Begin (), A. At (0) + A. at (1); // The Probl
MOOC-android engineers-1-4 exercises, Android-1-4
Source http://www.imooc.com/ceping/1474
Run a Java program Test. class on the console. Which of the following statements is true ()
AJava Test. class
BJavac Test. class
CJava Test
DJavac Test
Answer: CKnow
Android payment quick integration case and effective solution for returned values-1, android-1
After a merchant applies to develop an application on the open platform, the open platform will generate a unique APPID for the APP. To ensure payment security, you need to bind the merchant application package name and appl
Attack Android injection "1", attack android "1"PrefaceThis series was originally shared by the company and has a large amount of content. Therefore, we reorganized this PPT into a blog, hoping to help you learn it. I will first use an "text message interception" as an example to throw a problem and propose a "injectio
Android layout tricks #1
Http://android-developers.blogspot.com/2009/02/android-layout-tricks-1.html
The android UI toolkit offers several layout managers that are rather easy to use and, most of the time, you only need the basic
of the Android NDK; and the HAL source.Configure the download environment for Android source code: 1. Create a directory to hold the download script file. 2. Download the repo script file (for downloading Android source code). 3. Create a directory to hold the Android sourc
.
Let's take a quick look at the following definitions of the Fibonacci series:
Fib (0) = 0
Fib (1) = 1
Fib (n) = fib (n-1) + fib (n-2)
The order of the Fibonacci series is similar to: 0, 1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89,144,
emule Resources, please use emule/amule or thunder download:x86[Url=[Red Hat Enterprise. LINUX.5]. Tlf-soft-redhat.enterprise.linux.5.update.1-xiso.iso (2.78 GB)]redhat.enterprise.linux.5.update.1.iso[/url][Url=[Red Hat Enterprise. LINUX.
As early as itpub saw a SQL expert, like the puzzle, the following is a puzzle. I tried SQL Server to resolve this issue.With 1 points,5 points , 10 points , 25 points , 50 cents coins into one yuan, a total of several combinations of methods? SELECT'1*'+RTrim(A. Number)+'+5*'+RTrim(b. Number)+'+10*'+RTrim(c. Number)+'
First, the phenomenon
1. See if a process exists
Ps-ef | Grep-v ' grep ' |grep-e ' Shell/cron/bonus/cash '
www 2624 1 0 Oct24? 00:00:35/usr/local/bin/php/data1/www/htdocs/hb.e.weibo.com/v2/www/htdocs/index.php--uri=shell/cron/bonus/cash- -get=proc_num=1proc_total=1--post=
2. View process creation time
Ps-p 2624-o Lstart
Started
Sat OCT 24 22:20:03 2015
3. View
Init is one of the most indispensable programs in Linux system operation. Init process, which is a user-level process initiated by the kernel. The kernel will find it in several places in the past that used Init, and its correct location (for Linux systems) is/sbin/init. If the kernel cannot find Init, it will try to run/bin/sh, and if it fails, the boot of the system will fail.Linux 7 RunLevel (0: shutdown, shutdown mode,1: single-user mode,2: Multi-
, Imageitem" >
The drag-and-drop of real Web apps is not that simple, and developers often need to be more involved in the drag-and-drop process. This can be done by inheriting extensions to the Dojo.dnd.Source and Dojo.dnd.Target provided by Dojo to develop the functionality and features that meet the needs of the business. Here will not repeat.
Creating drag and drop applications with HTML 5
In this chapter, we're going to create a simple dr
Tags: blog 2017 Super Bar Rect class technology sharing scheme tleSpring JdbcTemplate queryforlist Error Incorrect column count:expected 1, actual 5 >>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>> ? Copyright Sweet Potato Yiu July 10, 2017 http://www.cnblogs.com/fanshuyao/ First, the problem description: An error occurred when querying with queryForList in JdbcTemplate, as follows: The Query method is as follows:Java
1 #!/usr/bin/env python2 #-*-coding:utf-8-*-3 #all the numbers of 1-2+3-4+5...99 and4 """5 Assigning a value of 1,sum to start is 0, when the assignment of start is less than 100 while the loop is true6 the assignment of temp equals the remainder of start and 2, if the assig
extended events: SQL Server Extended Events (extented events) from beginner to Advanced (1)-from SQL Trace to extented events. Created automatically when an availability group is created for the first time. Can be seen and opened in the place shown: By opening the extended event, you can see the data captured in real time, or you can get a customized configuration by modifying the configuration, or by viewing AlwaysOn health events from the second op
First, view the text:1.cat commandCat [Options] [file]Example 1:cat-n file.txt viewing text and numbering all lines;Example 2:cat-b file.txt viewing text and numbering non-blank lines;Example 3:cat file1.txt file2.txt >file.txt redirects the contents of File1 and File2 to the file.txt file.2.tailtail [options] [file]Example 1:tail-f log.txt View Log.txt text, and
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