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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. class Number
  5. {
  6. private:
  7. 	int number[100];
  8. 	int size;
  9. 	int iterations;
  10. public:
  11. 	Number(int n)
  12. 	{
  13. 		size = 0;
  14. 		iterations = 0;
  15. 		while(n != 0)
  16. 		{
  17. 			number[size++] = n % 10;
  18. 			n /= 10;
  19. 		}
  20. 	}
  21.  
  22. 	void reverseAndAdd()
  23. 	{
  24. 		int source[size];
  25. 		for(int i=0;i<size;i++) source[i] = number[i];
  26. 		for(int i=0;i<size;i++)
  27. 		{
  28. 			number[i] +=  source[size-i-1];
  29. 			if(number[i] > 9)
  30. 			{
  31. 				if(i == size-1) 
  32. 				{
  33. 					number[size] = 0;
  34. 					size++;
  35. 				}
  36. 				number[i] -= 10;
  37. 				number[i+1] += 1;
  38. 			} 
  39. 		}
  40. 		iterations++;
  41. 		return;
  42. 	}
  43. 	bool isPalindrome()const
  44. 	{
  45. 		bool flag = true;
  46. 		for(int i=0;i<size/2;i++)
  47. 		{
  48. 			if(number[i] != number[size-i-1])
  49. 			{
  50. 				flag = false;
  51. 				break;
  52. 			}
  53. 		}
  54. 		return flag;
  55. 	}
  56. 	friend ostream& operator<< (ostream& out, const Number &n)
  57. 	{
  58. 		out << n.iterations << ' ';
  59. 		for(int i=n.size;i>=0;i--) out << n.number[i];
  60. 		out << '\n';
  61. 		return out;
  62. 	}
  63. };
  64.  
  65. int main()
  66. {
  67. 	cin.ignore();
  68. 	int n;
  69. 	while(cin>>n)
  70. 	{
  71. 		Number number(n);
  72. 		number.reverseAndAdd();
  73. 		while(!number.isPalindrome()) number.reverseAndAdd();
  74. 		cout << number;
  75. 	}
  76. 	return 0;
  77. }
Success #stdin #stdout 0.01s 5264KB
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https://ideone.com/NuPaKy
language:
C++ (gcc 8.3)
created:
10 days ago
visibility:
public

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