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

Steps for creating a simple html program, 1)      Go to Start -> Programs-...

1)      Go to Start -> Programs->Accessories->Notepad. 2)      Start with a document type tag & an opening tag. Enter the given line in your doc.

Java packages, Expertsmind brings you unique solution in java assignments ...

Expertsmind brings you unique solution in java assignments Packages A Java packages is a process for planning Java sessions into namespaces just like the segments of Modu

C++, A charitable organization wants to design a special ATM machine to be ...

A charitable organization wants to design a special ATM machine to be used by needy people. The association supplies the needy person with a pin number to be able to use the ATM

Create a reservation system, Villa La Fourche Ltd is a small family busines...

Villa La Fourche Ltd is a small family business situated in the East Coast of Mauritius, more precisely Trou d'eau Douce.   The compound comprises of 6 independent villas, each of

Capital gain calculator, This assignment is divided into two parts. The goa...

This assignment is divided into two parts. The goal is to write a Java program that calculates capital gain on a stock market, see Lab 7. When a share of common stock of some co

JUnit test, hi, can you help me with testing java classes I have wrote usin...

hi, can you help me with testing java classes I have wrote using java and jsp and servlet in eclipse ? I want to use JUnit for testing

Abstraction hierarchy of mechanisms, Abstraction hierarchy of mechanisms ...

Abstraction hierarchy of mechanisms Given  the light-sensitive the motor and resistor,  we could  find  several  ways  of interconnecting them, using bits of ceramic and metal

Determine the address accessed by given instruction, Determine the address ...

Determine the address accessed by each of the following instruction if DS=1100H, BX=0200H, LIST=0250H AND SI=0500H-: 1) MOV LIST[SI],EDX?0250+0500+11000=11750 2

Matlab and Image Processing and Neural Network, I need to do image reconstr...

I need to do image reconstruction using Neural Network using Matlab

Shell script to combine 2 files horizontally and vertically, Normal 0 ...

Normal 0 false false false EN-US X-NONE X-NONE MicrosoftInternetExplorer4

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