Question

Write a C++ program that stimulates a questionnaire to find a roommate from your computer class. You will ask the user various questions that might determine a suitable match, at least 5 conditions satisfied from the potential questions. Store the names of students who matches your preference in a file called matchfile. Also, store names of students who are not your preferred match in one-dimensional array called NoMatch, size 21.

a. Print the names of students from the matchfile

b. Print the total number of students interviewed

c. Print the names of students from the array NoMatch

Note: potential questions

How often do you clean?

What do you do on the weekends?

Do you like to have friends over or keep the party outside?

Do you smoke?

How often do you drink at home?

Do you have references?

What time do you go to bed?

Do you have any pets?

What is your major hobby?

write a program in basic
C++ language. // COMMENT IS Mandatory.

Answer 1

#include <fstream>
#include <iostream>

#include <string>
using namespace std;

int main () {
  
//we will use this variable take input from user
string data;
//we will use this variable to keep count of choices matching our requirement. We will do this by incrementing it each time choice matches.
int count;
int NumberOfCandidates=0;
//will use to take input of choice from user
int userinput;




do {
    //this do-while loop will run each time for evey new candidate. So we will initialise count to 0 everytime.
count=0;
//showing meassage to user to choose any
cout <<"Please enter command to proceed: "<< endl;
cout <<" TO inteview new candidate press 'i' "<< endl;
cout <<"To Display Number of candidates Interviewed 'n'"<< endl;
cout <<"To Display all mattching candidate from matchfile 'd'"<< endl;

cout <<"Quit Program press 'q'"<< endl;
//taking input from user
cin >> data;
//comparing input to call perform accordingly

//If new candidate . we will start questioning
if (data=="i") {
    //varrible will be incremented each time I pressed. To calculate number of caandidates interviewed
    NumberOfCandidates++;
//ask question
cout << "How often do you clean ,Enter in terms of Number of days .(example 5)?" << endl;
//take input of candidate
cin >> userinput;
//will increment count if he does cleaning in 2 days or less.
if(userinput<=2){
   count++;
   cout << count;
   }
   //ask question
   cout << "What do you do on the weekends?(Press 1 for Play outdoor games,2 for indoor games,3 forr study,4 for go home,5 other than these)" << endl;
   //take input of candidate
cin >> userinput;
//will increment count if he does does things Interviewer like.
if(userinput==1 ||userinput==2||userinput==3||userinput==4){
   count++;
  
   }
   //ask question
cout << "Do you like to have friends over or keep the party outside?.Press 1 if keep outside.Else press 2" << endl;
//take input of candidate
cin >> userinput;
//will increment count if he does does things Interviewer like.
if(userinput==1 ){
   count++;
  
   }
   cout << "Do you smoke?.Press 1 Yes.Else press 2" << endl;
cin >> userinput;
if(userinput==2 ){
   count++;
  
   }
   cout << "How often do you drink at home? Press 1 If you donot drink,If once in month press 2.Else 3"<< endl;
cin >> userinput;
if(userinput==1 ||userinput==2 ){
   count++;
}
cout << "Do you have references?Press 1 If .Else 2"<< endl;
cin >> userinput;
if(userinput==1 ){
   count++;
}
   cout << "What time do you go to bed?Press 1 If before 11 .Else 2"<< endl;
cin >> userinput;
if(userinput==1 ){
   count++;
}
cout << "Do you have any pets?Press 1 If.Else 2"<< endl;
cin >> userinput;
if(userinput==2 ){
   count++;
}
  
cout << "What is your major hobby??Press 1 If Cricket or football. Press 3 if Programming. Else 3"<< endl;
cin >> userinput;
if(userinput==1 ||userinput==2||userinput==3){
   count++;
  
}
  
//If count has become 5 or more. That means candidate has choices matching Interviewer choices.We will do entry in matchfile.

   if(count>=5){
   
    // open a file in write mode.
ofstream outfile;
       //std::ios_base::app will open file in append mode. You can remove this .If you want to overwrite it.
outfile.open("matchfile.dat",std::ios_base::app);
//will take candidate name in data variable
cout << "Enter your name: ";
cin >> data;
// write inputted data into the file.
outfile << data << endl;
//close the file
outfile.close();
   }
   //If count is less than 5 .That mean Candidate doesnot have Interviewer choices
   else{
      cout << "Thanks for Comming";
   }
}

//If user input was "d". We will read the matchfile
   else if (data=="d") {
  
// open a file in read mode.
ifstream myfile ("matchfile.dat");


cout << "Reading from the file" << endl;
//reading file each line and printing it on screen
while ( getline (myfile,data) )
{
cout << data << '\n';
}
//close the file

myfile.close();
}
//to display number of candidates Interviewed
else if (data=="n") {
cout <<NumberOfCandidates<< endl;
}
//if choice is q. We quit
else if (data=="q") {
cout <<"Exiting Prgram"<< endl;
break;
}

} while (true);

  
return 0;
}

Please enter command to proceed TO inteview new candidate press 'i' To Display all mattching candidate from matchfile 'd' Quit Program press How often do you cleanEnter in terms of Number of days .(example 5 What do you do on the weekends?〈Press 1 for Play outdoor games,2 for indoor game s.3 forr study.4 for go home.5 other than these> 4 Do you like to have friends over or keep the party outside? .Press 1 if keep outs ide.Else press 2 Do you smoke?.Press 1 Yes.Else press 2 How often do you drink at home? Press 1 If you donot drink. If once in month pres s 2.Else 3 Do you have references?Press 1 If .Else 2 What time do you go to bed?Press 1 lf before 11 -Else 2 Do you have any pets?Press 1 If.Else 2 What is your major hobby??Press 1 If Cricket or football. Press 3 if Programming Else3 Enter your name: Sagar Please enter command to proceed TO inteview new candidate press 'i' To Display all mattching candidate from matchfile 'd' Quit Program press Reading from the file Sagar Please enter command to proceed TO inteview new candidate press 'i' To Display all mattching candidate from matchfile 'd' Quit Program press Exiting Prgram