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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main() 
  5. {
  6. 	int n,i=0,ar[200],temp;
  7. 	long long a;
  8. 	cin>>n>>a;
  9. 	while(n--)
  10. 	{
  11. 		int t=a%10;
  12. 		a=a/10;
  13. 		switch(t)
  14. 		{case 2: ar[i]=2;
  15. 				i++;
  16. 				break;
  17. 		case 3:	ar[i]=3;
  18. 				i++;
  19. 				break;
  20. 		case 4:	ar[i]=3;
  21. 				i++;
  22. 				ar[i]=2;
  23. 				i++;
  24. 				ar[i]=2;
  25. 				i++;
  26. 				break;
  27. 		case 5:	ar[i]=5;
  28. 				i++;
  29. 				break;
  30. 		case 6:	ar[i]=5;
  31. 				i++;
  32. 				ar[i]=3;
  33. 				i++;
  34. 				break;
  35. 		case 7:	ar[i]=7;
  36. 				i++;
  37. 				break;
  38. 		case 8:	ar[i]=7;
  39. 				i++;
  40. 				ar[i]=2;
  41. 				i++;
  42. 				ar[i]=2;
  43. 				i++;
  44. 				ar[i]=2;
  45. 				i++;
  46. 				break;
  47. 		case 9:	ar[i]=7;
  48. 				i++;
  49. 				ar[i]=3;
  50. 				i++;
  51. 				ar[i]=3;
  52. 				i++;
  53. 				ar[i]=2;
  54. 				i++;
  55. 				break;
  56. 		default: break;
  57. 	}}
  58. 	for(int j=0;j<i;j++)
  59. 	{
  60. 		for(int h=j+1;h<i;h++)
  61. 		{
  62. 			if(ar[h]>ar[j])
  63. 			{
  64. 				temp=ar[j];
  65. 				ar[j]=ar[h];
  66. 				ar[h]=temp;
  67. 			}
  68. 		}
  69. 		cout<<ar[j];
  70. 	}
  71. 	return 0;
  72. }
Success #stdin #stdout 0s 3460KB
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https://ideone.com/xof1cP
language:
C++14 (gcc 8.3)
created:
8 years ago
visibility:
public

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