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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4. int main() {
  5. 	int k, a, b, m, n, i;
  6. 	cin>>k;
  7. 	string st1, st2, vowel, prev;
  8. 	a = sqrt(k);
  9. 	b = a-1;
  10. 	bool flag = 0;
  11. 	if (k>=5 && k%5 == 0 && k/5 >= 5)
  12. 	{
  13. 		flag = 1;
  14. 		m = 5;
  15. 		n = k/5;
  16. 	}
  17. 	else if (b >= 5 && (a*b) == k)
  18. 	{
  19. 		flag = 1;
  20. 		m = a;
  21. 		n = b;
  22. 	}
  23. 	else if (a >= 5 && (a*a) == k)
  24. 	{
  25. 		flag = 1;
  26. 		m = a;
  27. 		n = a;
  28. 	}
  29. 	else if (a >= 5 && (a * (a+1)) == k)
  30. 	{
  31. 		flag = 1;
  32. 		m = a;
  33. 		n = a+1;
  34. 	}
  35. 	if (flag == 0)
  36. 	cout<<-1<<endl;
  37. 	else
  38. 	{
  39. 		// cout<<n<<m<<endl;
  40. 		vowel = "aeiou";
  41. 		i = 0;
  42. 		while (i<n)
  43. 		{
  44. 			st1 += vowel[i%5];
  45. 			i += 1;
  46. 		}
  47. 		i = 2;
  48. 		prev = st1;
  49. 		cout<<st1<<endl;
  50. 		while (i<=m)
  51. 		{
  52. 			st2 = prev.substr(1) + prev[0];
  53. 			st1 += st2;
  54. 			cout<<st2<<endl;
  55. 			prev = st2;
  56. 			i += 1;
  57. 		}
  58. 		// cout<<st1<<endl;
  59. 	}
  60. 	return 0;
  61. }
Success #stdin #stdout 0s 4412KB
comments (?)
stdin
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56
stdout
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aeiouaei
eiouaeia
iouaeiae
ouaeiaei
uaeiaeio
aeiaeiou
eiaeioua
https://ideone.com/CaoWCL
language:
C++14 (gcc 8.3)
created:
4 years ago
visibility:
public

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