It is believed that each file contains a message protected with a \"null cipher\

Question

It is believed that each file contains a message protected

with a "null cipher". Null ciphers surround the real

characters in messages with one or more "null" characters.

So, to reveal the message, you should read in each

character in the file, but only print out every other,

or every third, or every fourth character you read in.

You will need to experiment to find out how many nulls

each file contains between the good characters.

To get you started, here is a skeleton program

which prints out every character it reads:

int main(int argc, char *argv[])

{

do

{

int c = cin.get() ;

cout.put(c) ;

} while ( ! cin.eof()) ;

}

You will need to add or change logic which reads the

command line for the number of characters to skip, and

runs code inside the main while() loop to read and discard

that many characters between those which are printed, and

to continue this for as long as there is text in the file.

wRBq"HdRoLkyiDisdRMkwRSYeLBfa cYeDagXPl rLnpgPFKolKcqNoNuWSwMBUcijISmnKTXxgvrBJ tSfzjFmFDeRSFbwNvhFeSqwqlaECZ,fKlO JPprtXiZXhChkCeceDOFddfcgxQkiydCdtWtCoyoDQv CgPOlMbauaNYxZyggpT WLSduUumQpduEOoyHAhnDmxd ylNqtUwGLhjuWIeXBMn EADmbdaXOrhQmHeVHoVaUoPysLeMOtezic sPgboIzrufXmuf KrOZtiobphElPAeJAqd

nWTJdmpPaexSUGsHiQbejjvdrsYbetMsQo.GXME yzJgOBoFfnsDXicseHCezFIR QnZQisbpYtSnPk tdBohBQwVaFjJddnGIv GIVCkabEpnvGhJoeBIuwzzBUnZASQ QUIwcvDwvhbRZGajFxtnuNsSglUufeLbNk pAlCaIjDSnZYEudfCFO eMJwagwKBlehgctAhSeeMpHRruYdraBseytAOBtiNMWJosXkDnRxRc,dNoV PXpDbrFrQuFGnRtexnu fpcgnWxUYoFCqnwBMit

Explanation / Answer

#include <iostream>

using std::cout;

using std::cin;

using namespace std;

int main (int argc, char *argv[], char **env)

{

int nulls = atoi (argv[2]);

do {

int c = cin.get() ;

cout.put(c) ;

} while ( ! cin.eof()) ;

}

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