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  1. //Diego Martinez					CSC5				    Chapter 8, P.487, #1
  2. /*******************************************************************************
  3. *  DISPLAY CHARGE ACCOUNT VALIDATION 
  4. * ______________________________________________________________________________
  5. * This program allows the user to enter a charge account number and checks 
  6. * whether the number exists in a predefined list of valid account numbers using 
  7. * a linear search. The program then displays a message indicating whether the 
  8. * entered account number is valid or invalid.
  9. * 
  10. * Computation is based on the Formula:
  11. *	accounts[i] = accountNumber
  12. *______________________________________________________________________________
  13. * INPUT
  14. *	accountNumber : Charge account number entered by the user
  15. * 
  16. * OUTPUT
  17. *	Message stating whether the account number is VALID or INVALID
  18. *******************************************************************************/
  19. #include <iostream>
  20. using namespace std;
  21.  
  22. int main()
  23. {
  24. 	// Array of valid charge accounts
  25. 	int accounts[18] = {
  26. 		5658845, 4520125, 7895122, 8777541, 8451277, 1302850,
  27. 		8080152, 4562555, 5552012, 5050552, 7825877, 1250255,
  28. 		1005231, 6545231, 3852085, 7576651, 7881200, 4581002
  29. 	};
  30.  
  31. 	int accountNumber;
  32. 	bool found = false;
  33.  
  34. 	//Ask user for account number
  35. 	cout << "Enter a charge account number: ";
  36. 	cin >> accountNumber;
  37.  
  38. 	// Linear search 
  39. 	for (int i = 0; i < 18; i++)
  40. 	{
  41. 		if (accounts[i] == accountNumber)
  42. 		{
  43. 			found = true;
  44. 	}
  45. }
  46.  
  47. // Display result
  48. if (found)
  49. { 
  50. 	cout << "The account number is VALID." << endl;
  51. }
  52. else {
  53. 	cout << "The account number is INVALID." << endl;
  54. }
  55. return 0;
  56. }
Success #stdin #stdout 0s 5320KB
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Enter a charge account number: The account number is VALID.
https://ideone.com/NZl9Pa
DISPLAY CHARGE ACCOUNT VALIDATION Ch. 8, P.487, #1
language:
C++ (gcc 8.3)
created:
12 hours ago
visibility:
public

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