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  1. // Torrez, Elaine                        CS1A
  2. // ----------------------------------------------
  3. // WEATHER STATISTICS MODIFICATION
  4. // ----------------------------------------------
  5. //
  6. // This program is a modification of the Weather Statistics
  7. // program. It stores weather data for 12 months using a
  8. // structure and an enumerated data type for the months.
  9. // For each month, the user enters the total rainfall, the
  10. // high temperature, and the low temperature. The program
  11. // calculates the average monthly rainfall, total yearly
  12. // rainfall, highest temperature and the month it occurred,
  13. // lowest temperature and the month it occurred, and the
  14. // average temperature for the entire year.
  15. //
  16. // This version defines an enumerated type with enumerators
  17. // for the months and uses it to step through the array.
  18. //
  19. // ----------------------------------------------
  20. // INPUT
  21. //      For each of the 12 months:
  22. //          total rainfall
  23. //          high temperature
  24. //          low temperature
  25. //
  26. // PROCESSING
  27. //      Use enum Month {JANUARY, ..., DECEMBER}
  28. //      Validate input (rain >= 0, temp between -100 and 140)
  29. //      Compute total rainfall
  30. //      Compute average monthly rainfall
  31. //      Identify highest and lowest temp + month
  32. //      Compute average temperature for the year
  33. //
  34. // OUTPUT
  35. //      Total rainfall for the year
  36. //      Average rainfall
  37. //      Highest temperature and month
  38. //      Lowest temperature and month
  39. //      Average yearly temperature
  40. //
  41. // ----------------------------------------------
  42.  
  43. #include <iostream>
  44. #include <iomanip>
  45. #include <string>
  46. using namespace std;
  47.  
  48. // ----------------------------------------------
  49. // Enumerated type for the months
  50. // ----------------------------------------------
  51. enum Month { JANUARY, FEBRUARY, MARCH, APRIL, MAY, JUNE,
  52.              JULY, AUGUST, SEPTEMBER, OCTOBER, NOVEMBER, DECEMBER };
  53.  
  54. // ----------------------------------------------
  55. // Structure to store weather data
  56. // ----------------------------------------------
  57. struct Weather {
  58.     double rainfall;   // Total rainfall for the month
  59.     double highTemp;   // Highest temperature
  60.     double lowTemp;    // Lowest temperature
  61.     double avgTemp;    // Average monthly temperature
  62. };
  63.  
  64. int main()
  65. {
  66.     const int MONTHS = 12;
  67.  
  68.     string monthNames[MONTHS] =
  69.     { "January", "February", "March", "April", "May", "June",
  70.       "July", "August", "September", "October", "November", "December" };
  71.  
  72.     Weather data[MONTHS];
  73.  
  74.     double totalRain = 0;
  75.     double totalAvgTemp = 0;
  76.  
  77.     double highest = -101;
  78.     double lowest = 141;
  79.     Month highMonth = JANUARY;
  80.     Month lowMonth  = JANUARY;
  81.  
  82.     cout << fixed << setprecision(2);
  83.  
  84.     // ----------------------------------------------------
  85.     // INPUT SECTION (step through array using enum)
  86.     // ----------------------------------------------------
  87.     for (Month m = JANUARY; m <= DECEMBER; m = static_cast<Month>(m + 1))
  88.     {
  89.         int i = static_cast<int>(m);   // use enum as index
  90.  
  91.         cout << "\nEnter data for " << monthNames[i] << ":\n";
  92.  
  93.         // Rainfall validation
  94.         do {
  95.             cout << "  Total rainfall: ";
  96.             cin >> data[i].rainfall;
  97.             if (data[i].rainfall < 0)
  98.                 cout << "  Error: Rainfall cannot be negative.\n";
  99.         } while (data[i].rainfall < 0);
  100.  
  101.         // High temperature validation
  102.         do {
  103.             cout << "  High temperature: ";
  104.             cin >> data[i].highTemp;
  105.             if (data[i].highTemp < -100 || data[i].highTemp > 140)
  106.                 cout << "  Error: Temp must be between -100 and 140.\n";
  107.         } while (data[i].highTemp < -100 || data[i].highTemp > 140);
  108.  
  109.         // Low temperature validation
  110.         do {
  111.             cout << "  Low temperature: ";
  112.             cin >> data[i].lowTemp;
  113.             if (data[i].lowTemp < -100 || data[i].lowTemp > 140)
  114.                 cout << "  Error: Temp must be between -100 and 140.\n";
  115.         } while (data[i].lowTemp < -100 || data[i].lowTemp > 140);
  116.  
  117.         // Average temperature for this month
  118.         data[i].avgTemp = (data[i].highTemp + data[i].lowTemp) / 2.0;
  119.  
  120.         // Add to totals
  121.         totalRain    += data[i].rainfall;
  122.         totalAvgTemp += data[i].avgTemp;
  123.  
  124.         // Track highest temp
  125.         if (data[i].highTemp > highest) {
  126.             highest  = data[i].highTemp;
  127.             highMonth = m;
  128.         }
  129.  
  130.         // Track lowest temp
  131.         if (data[i].lowTemp < lowest) {
  132.             lowest  = data[i].lowTemp;
  133.             lowMonth = m;
  134.         }
  135.     }
  136.  
  137.     // ----------------------------------------------------
  138.     // OUTPUT SECTION
  139.     // ----------------------------------------------------
  140.     cout << "\n----------------------------------------------\n";
  141.     cout << "WEATHER STATISTICS REPORT\n";
  142.     cout << "----------------------------------------------\n";
  143.  
  144.     cout << "Total Rainfall: " << totalRain << " inches\n";
  145.     cout << "Average Monthly Rainfall: " << totalRain / MONTHS << " inches\n";
  146.  
  147.     cout << "Highest Temperature: " << highest
  148.          << " ( " << monthNames[static_cast<int>(highMonth)] << " )\n";
  149.  
  150.     cout << "Lowest Temperature: " << lowest
  151.          << " ( " << monthNames[static_cast<int>(lowMonth)] << " )\n";
  152.  
  153.     cout << "Average Temperature for the Year: "
  154.          << totalAvgTemp / MONTHS << " degrees\n";
  155.  
  156.     return 0;
  157. }
  158.  
Success #stdin #stdout 0.01s 5288KB
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stdin
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3.2
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2.8
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4.1
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1.9
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0.7
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0.3
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0.1
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0.2
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1.0
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2.5
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3.0
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stdout
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Enter data for January:
  Total rainfall:   High temperature:   Low temperature: 
Enter data for February:
  Total rainfall:   High temperature:   Low temperature: 
Enter data for March:
  Total rainfall:   High temperature:   Low temperature: 
Enter data for April:
  Total rainfall:   High temperature:   Low temperature: 
Enter data for May:
  Total rainfall:   High temperature:   Low temperature: 
Enter data for June:
  Total rainfall:   High temperature:   Low temperature: 
Enter data for July:
  Total rainfall:   High temperature:   Low temperature: 
Enter data for August:
  Total rainfall:   High temperature:   Low temperature: 
Enter data for September:
  Total rainfall:   High temperature:   Low temperature: 
Enter data for October:
  Total rainfall:   High temperature:   Low temperature: 
Enter data for November:
  Total rainfall:   High temperature:   Low temperature: 
Enter data for December:
  Total rainfall:   High temperature:   Low temperature: 
----------------------------------------------
WEATHER STATISTICS REPORT
----------------------------------------------
Total Rainfall: 19.80 inches
Average Monthly Rainfall: 1.65 inches
Highest Temperature: 95.00 ( August )
Lowest Temperature: 40.00 ( February )
Average Temperature for the Year: 65.67 degrees
https://ideone.com/MmnpD2
language:
C++ (gcc 8.3)
created:
14 hours ago
visibility:
public

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