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  1. //Marvyn Jesse De La Torre       CS1A      Chapter 7, pg.444, #2
  2. //
  3. /******************************************************************************
  4.  * CALCULATE RAINFALL
  5.  *
  6.  * This program asks the user to enter the rainfall for each month.
  7.  * It stores the amounts in an array and calculates the total and average
  8.  * rainfall. It also finds the months with the highest and lowest rainfall.
  9.  *
  10.  * INPUT
  11.  *   rainfall       - Rainfall amount for each month
  12.  *
  13.  * OUTPUT
  14.  *   total          - Total rainfall for the year
  15.  *   average        - Average rainfall per month
  16.  *   highestMonth   - Month with the most rainfall
  17.  *   lowestMonth    - Month with the least rainfall
  18.  ******************************************************************************/
  19.  
  20. #include <iostream>
  21. #include <iomanip>
  22. #include <string>
  23. #include <limits>
  24. using namespace std;
  25.  
  26. int main()
  27. {
  28.     const int MONTHS = 12;
  29.  
  30.     double rainfall[MONTHS];
  31.     double total = 0.0;
  32.     int highestMonth = 0;
  33.     int lowestMonth = 0;
  34.  
  35.     // List of month names.
  36.     string months[MONTHS] =
  37.     {
  38.         "January", "February", "March", "April",
  39.         "May", "June", "July", "August",
  40.         "September", "October", "November", "December"
  41.     };
  42.  
  43.     // Get the rainfall amount for each month.
  44.     for (int i = 0; i < MONTHS; i++)
  45.     {
  46.         cout << "Enter rainfall for " << months[i] << ": ";
  47.         cin >> rainfall[i];
  48.  
  49.         // Make sure the rainfall amount is valid.
  50.         while (cin.fail() || rainfall[i] < 0)
  51.         {
  52.             cout << "Invalid amount. Enter a positive number: ";
  53.             cin.clear();
  54.             cin.ignore(numeric_limits<streamsize>::max(), '\n');
  55.             cin >> rainfall[i];
  56.         }
  57.  
  58.         total += rainfall[i];
  59.     }
  60.  
  61.     // Find the months with the highest and lowest rainfall.
  62.     for (int i = 1; i < MONTHS; i++)
  63.     {
  64.         if (rainfall[i] > rainfall[highestMonth])
  65.         {
  66.             highestMonth = i;
  67.         }
  68.  
  69.         if (rainfall[i] < rainfall[lowestMonth])
  70.         {
  71.             lowestMonth = i;
  72.         }
  73.     }
  74.  
  75.     // Display the rainfall results.
  76.     cout << fixed << setprecision(2);
  77.  
  78.     cout << "\nRainfall Statistics\n";
  79.     cout << "--------------------\n";
  80.  
  81.     cout << "Total rainfall: " << total << " inches\n";
  82.     cout << "Average rainfall: " << total / MONTHS << " inches\n";
  83.  
  84.     cout << "Month with the most rainfall: "
  85.          << months[highestMonth] << " ("
  86.          << rainfall[highestMonth] << " inches)\n";
  87.  
  88.     cout << "Month with the least rainfall: "
  89.          << months[lowestMonth] << " ("
  90.          << rainfall[lowestMonth] << " inches)\n";
  91.  
  92.     return 0;
  93. }
Success #stdin #stdout 0s 5320KB
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stdin
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stdout
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Enter rainfall for January: Enter rainfall for February: Enter rainfall for March: Enter rainfall for April: Enter rainfall for May: Enter rainfall for June: Enter rainfall for July: Enter rainfall for August: Enter rainfall for September: Enter rainfall for October: Enter rainfall for November: Enter rainfall for December: 
Rainfall Statistics
--------------------
Total rainfall: 101.00 inches
Average rainfall: 8.42 inches
Month with the most rainfall: December (18.00 inches)
Month with the least rainfall: April (0.00 inches)
https://ideone.com/qfsFgS
language:
C++ (gcc 8.3)
created:
18 hours ago
visibility:
public

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