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  1. // Wyatt Carey					    CS1A				   Chapter 8, P. 487, #1
  2. /*******************************************************************************
  3.  * Charge Account Number
  4.  * _____________________________________________________________________________
  5.  * This program has an single-dimensional array, containing a linear search to 
  6.  * find the account number inputted. It will then display the number if its 
  7.  * valid or show a message indicating if its not valid.
  8.  * _____________________________________________________________________________
  9.  * 
  10.  * INPUTS
  11.  *  account number
  12.  * 
  13.  * OUTPUTS
  14.  *	display message stating it's valid or not valid
  15.  * ****************************************************************************/
  16. #include <iostream>
  17. using namespace std;
  18.  
  19. // Function Prototype
  20. int searchList(const int [], int, int); // Will become function header
  21. const int NUMBER = 126; // Size of the array
  22.  
  23. int main() 
  24. {
  25. 	// Variable Dictionary
  26. 	int acc[NUMBER] = {5658845, 4520125, 7895122, 8777541, 8451277, 1302850,
  27. 	                   8080152, 4562555, 5552012, 5050552, 7825877, 1250255,
  28. 	                   1005231, 6545231, 3852085, 7576651, 7881200, 4581002};
  29. 	int acNum; // Cin input
  30. 	int account_number;  // Assigning variable to acNum
  31.  
  32. 	// Ask For Account Number.
  33. 	cout << "What is your account number? \n";
  34. 	cin >> acNum;
  35.  
  36. 	// Search Array For acNum.
  37. 	account_number = searchList(acc, NUMBER, acNum);
  38.  
  39. 	// If searchList Returned -1, Then acNum Wasn't Found.
  40. 	if (account_number == -1)
  41. 		cout << "Invalid account number. Type in correct account number" << endl;
  42. 	else
  43. 	{
  44. 		cout << "This is your account number: " << acNum << endl;
  45. 	}
  46. 	return 0;
  47. }
  48.  
  49. //******************************************************************************
  50. // The searchList functions will perform a linear search to find the account   *
  51. // number inputted. If its not found, the array subscript is returned.         *
  52. //******************************************************************************
  53.  
  54. int searchList(const int list[], int numElems, int value)
  55. {
  56. 	int index = 0;
  57. 	int  position = -1;
  58. 	bool found = false;
  59.  
  60. 	// Linear search
  61. 	while (index < numElems && !found)
  62. 	{
  63. 		if (list [index] == value)
  64. 		{
  65. 			found = true;
  66. 			position = index;
  67. 		}
  68. 		index++;
  69. 	}
  70. 	return position;
  71. }
Success #stdin #stdout 0.01s 5304KB
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8080152
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What is your account number? 
This is your account number: 8080152
https://ideone.com/uf4NLB
language:
C++ (gcc 8.3)
created:
17 days ago
visibility:
public

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