Write a program which prompts the user for the date in the form yyyymmdd which i

Question

Write a program which prompts the user for the date in the form yyyymmdd which is stored in a variable of type long. Your program will then extract the year from the long variable, the month and the day and output them with appropriate messages. You are to write 2 versions of this program.

Version 1:
Write three functions which have one argument, the long entered by the user (pas byvalue), and each return one part of the date.

Version 2:
Write one void function which has 4 arguments, the long entered by the user (pass by value) and three integer arguments (pass by reference) which will be used to return the 3 parts of the date.

The output produced by both versions should be identical. Figure 3 illustrates a sample output screen. Again the format of your output does not have to be the same as the one in figure 3, but it should contain the same information.

Hint: the date is entered as a long (not a String). You will need to use the integer division and the remainder operations to extracts the different parts of the date.
Assume the user enters a valid date.

Write a program which prompts the user for the date in the form yyyymmdd which is stored in a variable of type long. Your program will then extract the year from the long variable, the month and the day and output them with appropriate messages. You are to write 2 versions of this program. Write three functions which have one argument, the long entered by the user (pas byvalue), and each return one part of the date. Write one void function which has 4 arguments, the long entered by the user (pass by value) and three integer arguments (pass by reference) which will be used to return the 3 parts of the date. The output produced by both versions should be identical. Figure 3 illustrates a sample output screen. Again the format of your output does not have to be the same as the one in figure 3, but it should contain the same information. Hint: the date is entered as a long (not a String). You will need to use the integer division and the remainder operations to extracts the different parts of the date. Assume the user enters a valid date.

Explanation / Answer

/****************version1*********************/

#include<iostream>

using namespace std;

int year(long a)

{return a/10000;

}

int month(long a)

{return (a%10000)/100;

}

int day(long a)

{return a%100;

}

int main()

{long b;

int y,m,d;

cout<<"Welcome to Nancy's Date Info Extractor Version 1"<<endl;

cout<<"------------------------------------------------"<<endl<<endl;

cout<<"Enter a date in the form yyyymmdd : ";

cin>>b;

y=year(b);

m=month(b);

d=day(b);

cout<<"The year is : "<<y<<endl;

cout<<"The month is : "<<m<<endl;

cout<<"The day is : "<<d<<endl;

cout<<endl<<"Thank you for using the Date Extractor Program. ";

return 0;

}

/**********************version2************************/

#include<iostream>

using namespace std;

void fun(long a,int *year,int *month,int *day)

{*year=a/10000;

*month= (a%10000)/100;

*day=a%100;

}

int main()

{long b;

int y,m,d;

cout<<"Welcome to Nancy's Date Info Extractor Version 2"<<endl;

cout<<"------------------------------------------------"<<endl<<endl;

cout<<"Enter a date in the form yyyymmdd : ";

cin>>b;

fun(b,&y,&m,&d);

cout<<"The year is : "<<y<<endl;

cout<<"The month is : "<<m<<endl;

cout<<"The day is : "<<d<<endl;

cout<<endl<<"Thank you for using the Date Extractor Program. ";

return 0;

}

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