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  1. //Maxwell Brewer                   CS1A                  Chapter 11, p. 647, #11
  2. //
  3. /*******************************************************************************
  4.  * RECORD MONTHLY BUDGET
  5.  * _____________________________________________________________________________
  6.  * This program helps track monthly expenses by comparing the user’s actual 
  7.  * expenses against a predefined budget. It calculates whether the user is over 
  8.  * or under budget for various expense categories and prints the results.
  9.  * 
  10.  * INPUT:
  11.  *                             : Monthly expenses
  12.  * 
  13.  * 
  14.  * 
  15.  * OUTPUT:
  16.  *    - Over or under budget amounts for each category.
  17.  *    - Total monthly over or under budget amount.
  18.  *******************************************************************************/
  19.  
  20. #include <iostream>
  21. #include <cmath> // For abs()
  22. using namespace std;
  23.  
  24. // Structure to hold monthly expenses
  25. struct MonthlyExpenses {
  26.     double housing;
  27.     double utilities;
  28.     double household;
  29.     double transport;
  30.     double food;
  31.     double medical;
  32.     double insurance;
  33.     double entertainment;
  34.     double clothing;
  35.     double misc;
  36. };
  37.  
  38. // Function prototypes
  39. void getInputExpenses(MonthlyExpenses &expenses);
  40. void compareAndDisplayExpenses(const MonthlyExpenses &budget, const MonthlyExpenses &actual);
  41. double calculateDifference(double budgeted, double actual);
  42.  
  43. int main() {
  44.     // Predefined budget
  45.     MonthlyExpenses budget = {
  46.         500, 150, 65, 50, 250, 30, 100, 150, 75, 50
  47.     };
  48.  
  49.     // User's actual monthly expenses
  50.     MonthlyExpenses actualExpenses;
  51.  
  52.     // Input user expenses
  53.     cout << "Enter your expenses for the current month:\n";
  54.     getInputExpenses(actualExpenses);
  55.  
  56.     // Compare and display the results
  57.     cout << "\n\nBudget Comparison:\n";
  58.     cout << "-----------------------------------------\n";
  59.     compareAndDisplayExpenses(budget, actualExpenses);
  60.  
  61.     return 0;
  62. }
  63.  
  64. //Reads user input for monthly expenses.
  65. void getInputExpenses(MonthlyExpenses &expenses) {
  66.     cout << "Housing: ";
  67.     cin >> expenses.housing;
  68.  
  69.     cout << "Utilities: ";
  70.     cin >> expenses.utilities;
  71.  
  72.     cout << "Household: ";
  73.     cin >> expenses.household;
  74.  
  75.     cout << "Transport: ";
  76.     cin >> expenses.transport;
  77.  
  78.     cout << "Food: ";
  79.     cin >> expenses.food;
  80.  
  81.     cout << "Medical: ";
  82.     cin >> expenses.medical;
  83.  
  84.     cout << "Insurance: ";
  85.     cin >> expenses.insurance;
  86.  
  87.     cout << "Entertainment: ";
  88.     cin >> expenses.entertainment;
  89.  
  90.     cout << "Clothing: ";
  91.     cin >> expenses.clothing;
  92.  
  93.     cout << "Miscellaneous: ";
  94.     cin >> expenses.misc;
  95. }
  96.  
  97. // Compares and displays budgeted versus actual expenses.
  98. // budget The predefined budget.
  99. // actual The user's actual expenses.
  100.  * 
  101. void compareAndDisplayExpenses(const MonthlyExpenses &budget, const MonthlyExpenses &actual) {
  102.     double totalDifference = 0;
  103.  
  104.     cout << "Housing: ";
  105.     totalDifference += calculateDifference(budget.housing, actual.housing);
  106.  
  107.     cout << "Utilities: ";
  108.     totalDifference += calculateDifference(budget.utilities, actual.utilities);
  109.  
  110.     cout << "Household: ";
  111.     totalDifference += calculateDifference(budget.household, actual.household);
  112.  
  113.     cout << "Transport: ";
  114.     totalDifference += calculateDifference(budget.transport, actual.transport);
  115.  
  116.     cout << "Food: ";
  117.     totalDifference += calculateDifference(budget.food, actual.food);
  118.  
  119.     cout << "Medical: ";
  120.     totalDifference += calculateDifference(budget.medical, actual.medical);
  121.  
  122.     cout << "Insurance: ";
  123.     totalDifference += calculateDifference(budget.insurance, actual.insurance);
  124.  
  125.     cout << "Entertainment: ";
  126.     totalDifference += calculateDifference(budget.entertainment, actual.entertainment);
  127.  
  128.     cout << "Clothing: ";
  129.     totalDifference += calculateDifference(budget.clothing, actual.clothing);
  130.  
  131.     cout << "Miscellaneous: ";
  132.     totalDifference += calculateDifference(budget.misc, actual.misc);
  133.  
  134.     // Display total over/under budget amount
  135.     cout << "\n-----------------------------------------\n";
  136.     cout << "Total Monthly Difference: ";
  137.     if (totalDifference > 0) {
  138.         cout << "+$" << totalDifference << " (Under Budget)\n";
  139.     } else if (totalDifference < 0) {
  140.         cout << "-$" << abs(totalDifference) << " (Over Budget)\n";
  141.     } else {
  142.         cout << "$0 (Exact Budget)\n";
  143.     }
  144. }
  145.  
  146. //Calculates the difference between budgeted and actual expenses.
  147. double calculateDifference(double budgeted, double actual) {
  148.     double difference = budgeted - actual;
  149.  
  150.     if (difference > 0) {
  151.         cout << "+$" << difference << " (Under Budget)\n";
  152.     } else if (difference < 0) {
  153.         cout << "-$" << abs(difference) << " (Over Budget)\n";
  154.     } else {
  155.         cout << "$0 (Exact Budget)\n";
  156.     }
  157.  
  158.     return difference;
  159. }
Success #stdin #stdout 0s 5276KB
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Standard input is empty
stdout
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Enter your expenses for the current month:
Housing: Utilities: Household: Transport: Food: Medical: Insurance: Entertainment: Clothing: Miscellaneous: 

Budget Comparison:
-----------------------------------------
Housing: +$500 (Under Budget)
Utilities: +$150 (Under Budget)
Household: +$65 (Under Budget)
Transport: +$50 (Under Budget)
Food: +$250 (Under Budget)
Medical: +$30 (Under Budget)
Insurance: +$100 (Under Budget)
Entertainment: +$150 (Under Budget)
Clothing: +$75 (Under Budget)
Miscellaneous: +$50 (Under Budget)

-----------------------------------------
Total Monthly Difference: +$1420 (Under Budget)
https://ideone.com/5qMS0W
Chapter 11, p. 647, #11
language:
C++ (gcc 8.3)
created:
212 days ago
visibility:
public

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