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  1. //Devin Scheu                                  CS1A                                    Chapter 8, P. 487, #1
  2. //
  3. /**************************************************************
  4. *
  5. * VALIDATE CHARGE ACCOUNT NUMBER
  6. * ____________________________________________________________
  7. * This program determines if a charge account number is valid
  8. * by checking against a predefined list.
  9. * ____________________________________________________________
  10. * INPUT
  11. * accountNumber : The charge account number entered by the user
  12. *
  13. * OUTPUT
  14. * validationMessage : Message indicating if the number is valid or invalid
  15. *
  16. **************************************************************/
  17.  
  18. #include <iostream>
  19. #include <iomanip>
  20.  
  21. using namespace std;
  22.  
  23. int main () {
  24.  
  25. 	//Variable Declarations
  26. 	const int NUM_ACCOUNTS = 18;                            //OUTPUT     - Number of valid accounts
  27. 	long long validAccounts[NUM_ACCOUNTS] = {5658845, 4520125, 7895122, 8777541, 8451277, 1302850,
  28. 	                                         8080152, 4562555, 5552012, 5050552, 7825877, 1250255,
  29. 	                                         1005231, 6545231, 3852085, 7576651, 7881200, 4581002};
  30. 	long long accountNumber;                                //INPUT      - The charge account number entered by the user
  31. 	bool isValid = false;                                   //PROCESSING - Flag indicating if the account is valid
  32. 	string validationMessage;                               //OUTPUT     - Message indicating if the number is valid or invalid
  33.  
  34. 	//Prompt for Input
  35. 	cout << "Enter the charge account number: ";
  36. 	cin >> accountNumber;
  37. 	cout << accountNumber << endl;
  38.  
  39. 	//Linear Search for Validation
  40. 	for (int i = 0; i < NUM_ACCOUNTS; i++) {
  41. 		if (validAccounts[i] == accountNumber) {
  42. 			isValid = true;
  43. 			break;
  44. 		}
  45. 	}
  46.  
  47. 	validationMessage = isValid ? "The number is valid." : "The number is invalid.";
  48.  
  49. 	//Separator and Output Section
  50. 	cout << "-------------------------------------------------------" << endl;
  51. 	cout << "OUTPUT:" << endl;
  52.  
  53. 	//Output Result
  54. 	cout << left << setw(25) << "Validation Status:" << right << setw(15) << validationMessage << endl;
  55.  
  56. } //end of main()
Success #stdin #stdout 0.01s 5292KB
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stdin
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8777541
stdout
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Enter the charge account number: 8777541
-------------------------------------------------------
OUTPUT:
Validation Status:       The number is valid.
https://ideone.com/J8wE0K
language:
C++ (gcc 8.3)
created:
3 days ago
visibility:
public

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