Shell script for combinations ncr, Programming Languages

Assignment Help:

 Find nCr.

 Program

echo -e  "Enter n: \c"

read n

echo -e "Enter r: \c"

read r

i=2

nf=1

temp=`expr $n - $r`

tf=1

rf=1

ncr=1

while test $i -le $n

do

   nf=`expr $nf\*$i`

   i=`expr $i + 1`

done

 

nf=`echo "$nf" | bc`

i=2

while test $i -le $temp

do

  tf=`expr $tf\*$i`

  i=`expr $i + 1`

done

tf=`echo "$tf" | bc`

 

i=2

while test $i -le $r

do

  rf=`expr $rf\*$i`

  i=`expr $i + 1`

done

rf=`echo "$rf" | bc`

temp2=`echo "$nf / $tf" | bc`

ncr=`echo "$temp2 / $rf" | bc`

echo "nCr = $ncr"


Output

sh ncr.sh

Enter n: 5

Enter r: 4

nCr = 5

 

sh ncr.sh

Enter n: 9

Enter r: 4

nCr = 126

 

sh ncr.sh

Enter n: 12

Enter r: 5

nCr = 792


Related Discussions:- Shell script for combinations ncr

Created xml document using the css stylesheet, After studying the concept, ...

After studying the concept, terminology, and implementation of CSS stylesheets, create a stylesheet to accompany your solutions to Question 1. A rich collection of styles should be

Pseudo code, I need help putting this into a flowchart constant c as Intege...

I need help putting this into a flowchart constant c as Integer = 3500 Constant CALORIESTOOUNCE as Integer = 219 Declare Sex as Character Declare Age as Integer Declare Weight as I

Retrive unicode text using vb.net ado.net, How Can I Retrive Unicode CSV Fi...

How Can I Retrive Unicode CSV File the ADO.net VB.net

Included applications, Hi, Can any of you, tell me how to use Included Ap...

Hi, Can any of you, tell me how to use Included Applications?

Jsp - quiz, JSP QUIZ ASSIGNMENT SHOULD BE FUNCTIONAL ON ECLIPSE QUIZ HAS ...

JSP QUIZ ASSIGNMENT SHOULD BE FUNCTIONAL ON ECLIPSE QUIZ HAS TOTAL 20 QUESTIONS REGARDING VARIOUS CAPITALS OF COUNTRIES. WELCOME PAGE OFFERS USER TO ENTER HIS NAME. THEN USER C

Code html and xml, Topic Develop a Web site that will provide informat...

Topic Develop a Web site that will provide information about your organization. The Web site will need to have a user-friendly interface for users to enter their information;

Version control systems - delete and update, The next major set of tasks to...

The next major set of tasks to tackle are delete and update. Version control systems typically version updates to a ?le and only store the differences between the ?les. Two system

Develop an html document with a nested list, 1. Develop a Web page, indicat...

1. Develop a Web page, indicating an ordered list of the names of your five friends. 2. Develop an HTML document with a nested list indicating the content page of any book 3.

Game programming, Companies divide their subtasks of game's development. Fo...

Companies divide their subtasks of game's development. For large complex games, the development team can vary in size from 20 to 100 or more members. The most represented are artis

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd