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  1. #include<iostream>
  2.  
  3. using namespace std;
  4.  
  5. int fRecursionChange(unsigned long long int);
  6. int main()
  7. {
  8. 	unsigned long long int va;
  9. 	while (cin >> va)
  10. 	{
  11. 		va = fRecursionChange(va);
  12. 		cout << va << endl;
  13. 	}
  14.     return 0;
  15. }
  16. int fRecursionChange(unsigned long long int va)
  17. {
  18. 	if (va <= 11) return va;
  19. 	unsigned long long int vb2, vb3, vb4;
  20. 	vb2 = (va - (va % 2)) / 2;
  21. 	vb3 = (va - (va % 3)) / 3;
  22. 	vb4 = (va - (va % 4)) / 4;
  23. 	if (vb2 + vb3 + vb4 >= va)
  24. 	{
  25. 		vb2 = fRecursionChange(vb2);
  26. 		vb3 = fRecursionChange(vb3);
  27. 		vb4 = fRecursionChange(vb4);
  28. 		return vb2 + vb3 + vb4;
  29. 	}
  30. 	else return va;
  31. }
Success #stdin #stdout 0s 4368KB
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https://ideone.com/0sH1tI
language:
C++14 (gcc 8.3)
created:
5 years ago
visibility:
public

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