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  1. //Diego Martinez					CSC5				   Chapter 7, P.487,  #2
  2. /*******************************************************************************
  3. *  CALCULATE RAINFALL PATTERNS
  4. * ______________________________________________________________________________
  5. * This program manages rainfall data collected over a period of 12 months. It 
  6. * determines overall patterns in the data by user inputs provided.
  7. * 
  8. * 
  9. * Computation is based on the Formula:
  10. *	Total = R1 + R2 + R3 + ... + R12
  11. *	Average = Total / 12
  12. *______________________________________________________________________________
  13. * INPUT
  14. *	12 Real Numbers (No negative Numbers allowed)
  15. *	
  16. * OUTPUT
  17. *	Total Rainfall for the year
  18. *	Average monthly rainfall
  19. *	Month with the highest rainfall
  20. *	Month with the lowest rainfall
  21. *	
  22. *******************************************************************************/
  23. #include <iostream>
  24. using namespace std;
  25.  
  26. // ===== FUNCTION PROTOTYPES =====
  27. void inputRainfall(double rain[], int size);
  28. void calculateStats(double rain[], int size, double &total, double &average, int &highest, int &lowest);
  29. void displayResults(double rain[], int size, double total, double average, int highest, int lowest);
  30.  
  31. // ===== MAIN FUNCTION =====
  32. int main()
  33. {
  34.     // ===== DATA DICTIONARY =====
  35.     const int SIZE = 12;     // number of months
  36.     double rainfall[SIZE];   // array to store rainfall values
  37.     double totalRain;        // total yearly rainfall
  38.     double avgRain;          // average monthly rainfall
  39.     int highestMonth;        // index of highest rainfall
  40.     int lowestMonth;         // index of lowest rainfall
  41.  
  42.     // ===== FUNCTION CALLS =====
  43.     inputRainfall(rainfall, SIZE);
  44.     calculateStats(rainfall, SIZE, totalRain, avgRain, highestMonth, lowestMonth);
  45.     displayResults(rainfall, SIZE, totalRain, avgRain, highestMonth, lowestMonth);
  46.  
  47.     return 0;
  48. }
  49.  
  50. // ===== FUNCTION DEFINITIONS =====
  51.  
  52. // Function to input rainfall with validation
  53. void inputRainfall(double rain[], int size)
  54. {
  55.     for (int i = 0; i < size; i++)
  56.     {
  57.         do
  58.         {
  59.             cout << "Enter rainfall for month " << i + 1 << ": ";
  60.             cin >> rain[i];
  61.  
  62.             if (rain[i] < 0)
  63.             {
  64.                 cout << "Invalid input. Rainfall cannot be negative.\n";
  65.             }
  66.  
  67.         } while (rain[i] < 0);
  68.     }
  69. }
  70.  
  71. // Function to calculate total, average, highest, and lowest
  72. void calculateStats(double rain[], int size, double &total, double &average, int &highest, int &lowest)
  73. {
  74.     total = 0;
  75.     highest = 0;
  76.     lowest = 0;
  77.  
  78.     for (int i = 0; i < size; i++)
  79.     {
  80.         total += rain[i];
  81.  
  82.         if (rain[i] > rain[highest])
  83.         {
  84.             highest = i;
  85.         }
  86.  
  87.         if (rain[i] < rain[lowest])
  88.         {
  89.             lowest = i;
  90.         }
  91.     }
  92.  
  93.     average = total / size;
  94. }
  95.  
  96. // Function to display results
  97. void displayResults(double rain[], int size, double total, double average, int highest, int lowest)
  98. {
  99.     cout << "\nTotal rainfall for the year: " << total << endl;
  100.     cout << "Average monthly rainfall: " << average << endl;
  101.     cout << "Month with highest rainfall: Month " << highest + 1 
  102.          << " (" << rain[highest] << ")" << endl;
  103.     cout << "Month with lowest rainfall: Month " << lowest + 1 
  104.          << " (" << rain[lowest] << ")" << endl;
  105. }
Success #stdin #stdout 0.01s 5284KB
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2.5
3.0
1.8
4.2
5.1
3.3
2.0
6.0
4.8
3.7
2.9
1.5
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Enter rainfall for month 1: Enter rainfall for month 2: Enter rainfall for month 3: Enter rainfall for month 4: Enter rainfall for month 5: Enter rainfall for month 6: Enter rainfall for month 7: Enter rainfall for month 8: Enter rainfall for month 9: Enter rainfall for month 10: Enter rainfall for month 11: Enter rainfall for month 12: 
Total rainfall for the year: 40.8
Average monthly rainfall: 3.4
Month with highest rainfall: Month 8 (6)
Month with lowest rainfall: Month 12 (1.5)
https://ideone.com/S0bmEU
CALCULATE RAINFALL PATTERNS P. 486, #2
language:
C++ (gcc 8.3)
created:
1 day ago
visibility:
public

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