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  1. //Xinnuo Wanng                CS1A                        Chapter 8 #1 Page.487
  2. /*******************************************************************************
  3.  * Determine Numbers Validation
  4.  * _____________________________________________________________________________
  5.  * The program lets users enter a number and determines if the number is valide 
  6.  * by checking in given list.
  7.  * _____________________________________________________________________________
  8.  * Input
  9.  *    num    : The accepted number
  10.  * 
  11.  * ****************************************************************************/
  12.  
  13. #include <iostream>
  14. using namespace std;
  15. int check(int arr[],int size,int num);
  16. int main() 
  17. {
  18. 	int arr[]={5658845, 4520125, 7895122, 8777541, 8451277, 1302850, 8080152,
  19. 4562555, 5552012, 5050552, 7825877, 1250255, 1005231, 6545231, 3852085, 7576651,
  20. 7881200, 4581002};
  21.     cout << "Enter a number: " ;
  22.     int num;
  23.     cin>> num;
  24.     cout << num << endl;
  25.     int size = sizeof(arr)/ sizeof (arr[0]);
  26.     int c = check(arr, size, num);
  27. 	if (c == -1)
  28. 	{
  29. 		cout << "Invalide Input." << endl;
  30. 	}
  31. 	return 0;
  32. }
  33. int check(int arr[], int size, int num)
  34. {
  35. 	bool found = false;
  36. 	int position = -1;
  37. 	int index = 0;
  38. 	while(!found && index < size)
  39. 	{
  40. 		if(arr[index] = num)
  41. 		{
  42. 			found = true;
  43. 			cout << "Valide Number" << endl;
  44. 			position = index;
  45. 		}
  46. 		index++;
  47. 	}
  48. 	return position;
  49. }
Success #stdin #stdout 0s 5348KB
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stdin
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7881200
stdout
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Enter a number: 7881200
Valide Number
https://ideone.com/ytwZ1P
language:
C++ (gcc 8.3)
created:
5 days ago
visibility:
public

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