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  1. // Timothy Price                 CS1A                  Ch 8 challenge 1
  2. /******************************************************************************
  3.  * Determine valid number
  4.  * 
  5.  * This program receives a number and determines if it is valid or not.
  6.  * 
  7.  * Input:
  8.  *  Account number
  9.  * 
  10.  * Output:
  11.  *  Validity confirmation
  12.  *****************************************************************************/
  13.  
  14. #include <iostream>
  15. using namespace std;
  16.  
  17. const int SIZE = 18;
  18.  
  19. int main() {
  20. 	// data dictionary 
  21. 	int valid_account[SIZE] = {
  22. 		5658845, 4520125, 7895122, 8777541, 8451277, 8080152, 4562555, 5552012,
  23. 		5050552, 7825877, 1005231, 6545231, 3852085, 7576651, 7881200, 1202850, 
  24. 		1250255, 4581002
  25. 	};
  26. 	int account;
  27. 	bool isValid = false;
  28.  
  29. 	// input account number
  30. 	cout << "Enter a charge account number: ";
  31. 	cin >> account; 
  32. 	cout << account << endl;
  33.  
  34. 	// linear search loop
  35. 	for (int i = 0; i < SIZE; i++) {
  36. 		if (valid_account[i] == account) {
  37. 			isValid = true;
  38. 			break;
  39. 		}
  40. 	}
  41.  
  42. 	// display result 
  43. 	if (isValid) {
  44. 		cout << "The account number is valid." << endl;
  45. 	}
  46. 	    else {
  47. 	   	cout << "The account number is invalid." << endl;
  48. 	   }
  49. 	return 0;
  50. }
Success #stdin #stdout 0.01s 5348KB
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stdin
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4581005
stdout
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Enter a charge account number: 4581005
The account number is invalid.
https://ideone.com/4c2WGU
Ch8 - valid account number
language:
C++ (gcc 8.3)
created:
12 hours ago
visibility:
public

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