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  1. // Andres Guzman CSC5 Chapter 8, P. 487, #1
  2.  /******************************************************************************
  3.  *
  4.  *  DETERMINE NUMBER VALIDATION
  5.  *  ____________________________________________________________________________
  6.  *  This program will determine whether the inputed numbers in the account match
  7.  *  those of the valid numbers.
  8.  *
  9.  *  Computation:
  10.  *
  11.  *  Uses a linear search in the linear function to compare the values in the
  12.  *  subscripts to the inputed values of the user. If equal, returns a valid
  13.  *  status, and a negative status otherwise.
  14.  *  ____________________________________________________________________________
  15.  *
  16.  *  INPUT
  17.  *  account = The valid numbers
  18.  *  accountnum = Holds the inputed value for account numbers
  19.  *
  20.  *  OUTPUT
  21.  *	array = Displays the status of the inputed numbers
  22.  *
  23.  ******************************************************************************/
  24. #include <iostream>
  25. using namespace std;
  26.  
  27. int linear(const int a[], int b, int c);		//Function Prototype
  28. const int SIZE = 18;
  29. int main()
  30. {
  31. //
  32. //Initialization List
  33. 	int account[SIZE] = {5658845, 4520125, 7895122, 8777541, 8451277, 1302850,
  34. 						 8080152, 4562555, 5552012, 5050552, 7825877, 1250255,
  35. 						 1005231, 6545231, 3852085, 7576651, 7881200, 4581002};
  36. 	int accountnum;		//Holds Input Value for users account numbers
  37. 	int array;			//Holds the results of the numbers
  38. //
  39. //Prompt Input Display
  40. 	cout << "Please enter a Number: ";
  41. 	cin >> accountnum;
  42. //
  43. //Input Validation
  44. 	while(accountnum < 0)
  45. 	{
  46. 		cout << "Cannot Be Negatives. Please Try Again." << endl;
  47. 		cout << "Please enter a Number: ";
  48. 		cin >> accountnum;
  49. 	}
  50. //
  51. //Adds Function Results to Variable Status
  52. 	array = linear(account, SIZE, accountnum);
  53. //
  54. //Determines whether the inputed values are equal to the subscript
  55. 	if(array == -1)
  56. 		cout << "\nInvalid." << endl;
  57. 	else
  58. 		cout << "\nValid" << endl;
  59. 	return 0;
  60. }
  61. /*******************************************************************************
  62.  * Adding Definition to the function. This function will search through the list
  63.  * of values in the array subscript and determine whether the value inside
  64.  * matches the inputed value of the user, in which case will then determine the
  65.  * status of the input numbers by using a linear search.
  66. ******************************************************************************/
  67. int linear(const int a[], int b, int c)
  68. {
  69. 	int index = 0;
  70. 	int position = -1;
  71. 	bool found = false;
  72.  
  73. 	while (index < b && !found)
  74. 	{
  75. 		if(a[index] == c)
  76. 		{
  77. 			found = true;
  78. 			position = index;
  79. 		}
  80. 		index++;
  81. 	}
  82. 	return position;
  83. }
  84.  
Success #stdin #stdout 0s 5344KB
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https://ideone.com/ASrCsV
Chapter 8 #1
language:
C++ (gcc 8.3)
created:
8 hours ago
visibility:
public

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