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  1. // Timothy Price				CS1A				Ch 7 Challenge 2
  2. /*******************************************************************************
  3.  * Calculate rainfall
  4.  * 
  5.  * This program receives a number of values for monthly rainfall, and calculates
  6.  * an annual total, monthly average, and least and greatest.
  7.  * 
  8.  * Inputs:
  9.  *  Rainfall for each month
  10.  * 
  11.  * Outputs:
  12.  *  Annual rainfall
  13.  *  Monthly average rainfall
  14.  *  Least month
  15.  *  Greatest month
  16.  ******************************************************************************/
  17.  
  18. #include <iostream>
  19. #include <cmath>		// for calculations
  20. #include <iomanip>		// for fixed decimal points
  21.  
  22. using namespace std;
  23.  
  24. // established number of months
  25. const int SIZE = 12;
  26.  
  27. int main() {
  28.  
  29. 	// data dictionary
  30. 	double month[SIZE];		// array to gather each month's rainfall
  31. 	double annual;			// annual total
  32. 	double average;			// monthly average
  33. 	float greatest;			// month with greatest rainfall
  34. 	float least;			// month with least rainfall
  35.  
  36. 	// loop to receive inputs
  37. 	for(int i = 0; i < SIZE; i++){
  38. 		cout << "Enter the total rainfall for the month: ";
  39. 		cin >> month[i];
  40. 		cout << month[i] << endl;
  41.  
  42. 		// input validation
  43. 		if(month[i] <= 0){
  44. 			cout << "Please enter a positive number: ";
  45. 			cin >> month[i];
  46. 			cout << month[i] << endl;
  47. 		}
  48.  
  49. 		// add each month value to annual total
  50. 		annual += month[i];
  51. 	}
  52.  
  53. 	// set starting values for greatest and least
  54. 	greatest = month[0];
  55. 	least = month[0];
  56.  
  57. 	// loop to determine greatest or least
  58. 	for(int i = 0; i < SIZE; i++){
  59. 		if(month[i] > greatest)
  60. 		greatest = month[i];
  61. 			else if(month[i] < least)
  62. 			least = month[i];
  63. 	}
  64.  
  65. 	// calculate monthly average
  66. 	average = (annual / SIZE);
  67.  
  68. 	// display results
  69. 	cout << fixed << setprecision(2);
  70. 	cout << "--------------- RESULTS ---------------" << endl;
  71. 	cout << "Annual total rainfall: " << annual << endl;
  72. 	cout << "Average monthly rainfall: " << average << endl;
  73. 	cout << "Greatest monthly rainfall: " << greatest << endl;
  74. 	cout << "Least monthly rainfall: " << least << endl;
  75. 	return 0;
  76. }
Success #stdin #stdout 0s 5320KB
comments (?)
stdin
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12
14
16
24
40
13.9
15.4
10.01
1.11
20.3
11.4
18.5
stdout
copy 
Enter the total rainfall for the month: 12
Enter the total rainfall for the month: 14
Enter the total rainfall for the month: 16
Enter the total rainfall for the month: 24
Enter the total rainfall for the month: 40
Enter the total rainfall for the month: 13.9
Enter the total rainfall for the month: 15.4
Enter the total rainfall for the month: 10.01
Enter the total rainfall for the month: 1.11
Enter the total rainfall for the month: 20.3
Enter the total rainfall for the month: 11.4
Enter the total rainfall for the month: 18.5
--------------- RESULTS ---------------
Annual total rainfall: 196.62
Average monthly rainfall: 16.39
Greatest monthly rainfall: 40.00
Least monthly rainfall: 1.11
https://ideone.com/fDF13s
ch7 - rainfall
language:
C++ (gcc 8.3)
created:
20 hours ago
visibility:
public

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