Do the following in visual studio code:

Problem $1$

Deliverable: problem$1.$cpp

Purpose: Create a program that will accept characters input from the standard input device

$($using cin$).$ The program should stop accepting input when a period, question mark, or

exclamation point is input $(.?$ or $!).$ The program will output the number of alphabetic characters

$($a$-$z A$-$z$)$ and the number of digits $(0-9)$ that were input in the form $$Input sentence contains

number alphabetic character$/$characters and number digit$/$digits$.$ Note: the words character and

digit should be singular or plural as appropriate.

Specifications:

$-$ Do not prompt for the program input.

$-$ Assume the input sentence will be from the standard input device $($using cin$).$

$-$ Produce all output to the standard output device $($using cout$).$

Sample input output pairs:

Input: Count characters in this sentence.

Output: Input sentence contains $29$ alphabetic characters and $0$ digits.

Input: Hey, do you count $12$ letters?

Output: Input sentence contains $20$ alphabetic characters and $2$ digits.

Input: $1$ more win!

Output: Input sentence contains $7$ alphabetic characters and $1$ digit.

Initial Testing:

A makefile, checkit.cpp source file, and sample input and output files have been provided to run initial tests on your program. To run the tests provided, create a directory containing only your problem$1.$cpp file and the files extracted from the attached problem$1$tests.zip.

makefile for problem $1$:

#

#$$ $@ target

# $$<$ first prerequisite

# $$^$ all prerequisites

$$

flags $=-$std$=$c$++17-$Wall $-$I $.$

$$

problem$1.$o : problem$1.$cpp

$$ g$++$ $$($flags$)-$c $$<$

$$

problem$1$ : problem$1.$o

$$ g$++$ $$($flags$)$ $$<-$o $@

$$

checkit : checkit.cpp

$$ g$++$ $$($flags$)$ $$^-$o $@

$$

problem$1$test$1$ : checkit problem$1$ problem$1-$sample$-$input$-1.$txt

$./$problem$1<$ problem$1-$sample$-$input$-1.$txt $>$ problem$1-$student$-$output$-1.$txt

$./$checkit $0$

$$

problem$1$test$2$ : checkit problem$1$ problem$1-$sample$-$input$-2.$txt

$./$problem$1<$ problem$1-$sample$-$input$-2.$txt $>$ problem$1-$student$-$output$-2.$txt

$./$checkit $1$

$$

problem$1$test$3$ : checkit problem$1$ problem$1-$sample$-$input$-3.$txt

$./$problem$1<$ problem$1-$sample$-$input$-3.$txt $>$ problem$1-$student$-$output$-3.$txt

$./$checkit $2$

$$

clean :

$$ rm $*.$o checkit problem$1$ problem$1-$student$-$output$-*.$txt

$$

$$

$$

Checkit.cpp:

$$

#include

using std::ifstream;

#include

using std::cout;

using std::endl;

using std::cin;

#include

using std::string;

#include

$$

int main$($int argc, char $*$argv$[])\{$

$//$ executable must be called with a test number $0-2$

$$ if $($ argc $!=2||$ argv$[1][0]<\text{'}0\text{'}||$ argv$[1][0]>\text{'}4\text{'})\{$

$$ cout $<<$ "Invalid test" $<<$ endl;

$$ return $1$;

$\}$

$//$ convert the character to an integer

$$ int which $=$ argv$[1][0]-\text{'}0\text{'}$;

$$ string correct$[3]=\{$ "problem$1-$expected$-$output$-1.$txt$",$

$$ "problem$1-$expected$-$output$-2.$txt$",$

$$ "problem$1-$expected$-$output$-3.$txt$"\}$;

$$ string student$[3]=\{$ "problem$1-$student$-$output$-1.$txt$",$

$$ "problem$1-$student$-$output$-2.$txt$",$

$$ "problem$1-$student$-$output$-3.$txt$"\}$;

$$ ifstream correctfile$($correct$[$which$])$;

$$ ifstream studentfile$($student$[$which$])$;

$$ bool match $=$ true;

$$ char correctchar, stuchar;

$$ int i $=0$;

$$ cout $<<$ "Your output:" $<<$ endl;

$$ correctchar $=$ correctfile.get$()$;

$$ stuchar $=$ studentfile.get$()$;

$$ while $($ correctfile.good$()$ && studentfile.good$()$ && match $)\{$

$$ match $=$ correctchar $==$ stuchar;

$$ cout $<<$ stuchar;

$$ if $(!$match $)$

$$ cout $<<"<-$ this character $"$

$<<($isspace$($stuchar$)?"($a white$-$space character$)"$ : $"")$

$<<$ "should be $"<<$ correctchar

$<<($correctchar $==\text{'}\text{'}?"($a space$)"$ :

$($correctchar $==\text{'}\backslash$t$\text{'}?"($a tab$)"$ :

$($correctchar $==\text{'}$

$\text{'}?"($a newline$)"$ : $"")))<<$ endl;

$++$i;

$$ correctchar $=$ correctfile.get$()$;

$$ stuchar $=$ studentfile.get$()$;

$\}$

$$

$$ cout $<<"$

$"$;

$$ if $(!$match $)$

$$ cout $<<$ "output error at character $"<<$ i

$<<"$

Open $"<<$ student$[$which$]<<"$ to view your full output and $"$

$<<$ "compare it to the expected ouput in $"<<$ correct$[$which$]<<$ endl;

$$ else if $(!$correctfile.eof$())$

$$ cout $<<$ "student file ended too soon $($make sure your last output statement $"$

$<<$ "ends with endl$)$

Open $"<<$ student$[$which$]<<"$ to view your $"$

$<<$ "full output and compare it to the expected ouput in $"$

$<<$ correct$[$which$]<<$ endl;

$$ else if $(!$studentfile.eof$())$

$$ cout $<<$ "extra output in student file"

$<<"$

Open $"<<$ student$[$which$]<<"$

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