Answered: Add a prompt to ask the user to input…

EBK JAVA PROGRAMMING

9th Edition

ISBN:9781337671385

Author:FARRELL

Publisher:FARRELL

Chapter9: Advanced Array Concepts

Section: Chapter Questions

Problem 2CP

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Question

Add a prompt to ask the user to input their last name (no spaces ; please use underscores if needed), age and a balance of their choice. Create a new entry in the patient_list array with this information [Important note: you can statically modify the code to have the patient_list array hold an extra entry ; no need to do any dynamic memory allocation to accommodate the new entry].

#include <iostream>

#include <cstdlib>

#include <cstring>

using namespace std;

// Declaring a new struct to store patient data

struct patient {

int age;

char name[20];

float balance;

};

// TODO:

// IMPLEMENT A FUNCTION THAT COMPARES TWO PATIENTS BY AGE

// THE FUNCTION RETURNS AN INTEGER AS FOLLOWS:

// -1 IF THE AGE OF THE FIRST PATIENT IS LESS

// THAN THE SECOND PATIENT'S AGE

// 0 IF THE AGES ARE EQUAL

// 1 OTHERWISE

// TODO:

// IMPLEMENT A FUNCTION THAT COMPARES TWO PATIENTS BY BALANCE DUE

// THE FUNCTION RETURNS AN INTEGER AS FOLLOWS:

// -1 IF THE BALANCE FOR THE FIRST PATIENT IS LESS

// THAN THE SECOND PATIENT'S BALANCE

// 0 IF THE BALANCES ARE EQUAL

// 1 OTHERWISE

// TODO:

// IMPLEMENT A FUNCTION THAT COMPARES TWO PATIENTS BY NAME

// THE FUNCTION RETURNS AN INTEGER AS FOLLOWS:

// -1 IF THE NAME OF THE FIRST PATIENT GOES BEFORE

// THE SECOND PATIENT'S NAME

// 0 IF THE AGES ARE EQUAL

// 1 OTHERWISE

// HINT: USE THE strncmp FUNCTION

// (SEE http://www.cplusplus.com/reference/cstring/strncmp/)

// The main program

int main()

{

int total_patients = 10;

// Storing some test data

struct patient patient_list[total_patients] = {

{25, "Juan Valdez ", 1250},

{15, "James Morris ", 2100},

{32, "Tyra Banks ", 750},

{62, "Mario O'Donell", 375},

{53, "Pablo Picasso ", 615}

};

patient p1;

for (int i = 0; i < total_patients; i++) {

cout << "Enter last name of your choice: " << endl;

cin >> p1.name;

cout << "Enter your age of your choice: " <<endl;

cin >> p1.age;

cout << "Enter balance of your choice: " <<endl;

cin >> p1.balance;

}

cout << "Patient List: " << endl;

// TODO:

// IMPLEMENT THE CODE TO DISPLAY THE CONTENTS

// OF THE ARRAY BEFORE SORTING

cout << patient_list << endl;

cout << endl;

cout << "Sorting..." << endl;

// TODO:

// CALL THE qsort FUNCTION TO SORT THE ARRAY BY PATIENT AGE

cout << "Patient List - Sorted by Age: " << endl;

// TODO:

// DISPLAY THE CONTENTS OF THE ARRAY

// AFTER SORTING BY AGE

cout << endl;

cout << "Sorting..." << endl;

// TODO:

// CALL THE qsort FUNCTION TO SORT THE ARRAY BY PATIENT BALANCE

cout << "Patient List - Sorted by Balance Due: " << endl;

// TODO:

// DISPLAY THE CONTENTS OF THE ARRAY

// AFTER SORTING BY BALANCE

cout << endl;

cout << "Sorting..." << endl;

// TODO:

// CALL THE qsort FUNCTION TO SORT THE ARRAY BY PATIENT NAME

cout << "Patient List - Sorted by Name: " << endl;

// TODO:

// DISPLAY THE CONTENTS OF THE ARRAY

// AFTER SORTING BY NAME

cout << endl;

return 0;

}

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