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  1. /**
  2.  * @brief    : GNU C++11 application
  3.  * @details  : Works stably on GNU C++11 (g++ 4.9.2, flag -std=c++11)
  4.  * 
  5.  * @author   : SergeiEgorov
  6.  * @date     : July 10, 2015
  7.  */
  8.  
  9. #include <bits/stdc++.h>
  10.  
  11. using namespace std;
  12. using namespace __gnu_cxx;
  13.  
  14. #define file "file"
  15.  
  16. constexpr char el = '\n';
  17. constexpr int inf = (int) 1e9 + 7;
  18. constexpr long long l_inf = (long long) 4e18 + 13ll;
  19. constexpr long double eps = 1e-9;
  20. constexpr long long mod = (1ll << 62);
  21.  
  22. string s;
  23.  
  24. inline string solve()
  25. {
  26. 	for (int i = s.size() - 1; i >= 0; )
  27. 	{
  28. 		if (i >= 5 && s.substr(i - 5, 6) == "output")
  29. 		{
  30. 			i -= 6;
  31. 			continue;
  32. 		}
  33.  
  34. 		if (i >= 4 && (s.substr(i - 4, 5) == "input" || s.substr(i - 4, 5) == "puton"))
  35. 		{
  36. 			i -= 5;
  37. 			continue;
  38. 		}
  39.  
  40. 		if (i >= 2 && (s.substr(i - 2, 3) == "one" || s.substr(i - 2, 3) == "out"))
  41. 		{
  42. 			i -= 3;
  43. 			continue;
  44. 		}
  45.  
  46. 		if (i >= 1 && s.substr(i - 1, 2) == "in")
  47. 		{
  48. 			i -= 2;
  49. 			continue;
  50. 		}
  51.  
  52. 		return string("NO");
  53. 	}
  54.  
  55. 	return string("YES");
  56. }
  57.  
  58. int main()
  59. {
  60. 	ios_base::sync_with_stdio(false);
  61. 	cin.tie(nullptr);
  62. 	srand(time(nullptr));
  63.  
  64. 	#ifdef HOME
  65. 		freopen(file".in", "r", stdin);
  66. 		freopen(file".out", "w", stdout);
  67. 	#endif
  68.  
  69. 	int T;
  70. 	cin >> T;
  71.  
  72. 	while (T--)
  73. 	{
  74. 		cin >> s;
  75. 		cout << solve() << el;
  76. 	}
  77.  
  78. 	return 0;
  79. }
Success #stdin #stdout 0s 3280KB
comments (?)
stdin
copy 
6
ab
ad
one
outout
output
outone
stdout
copy 
NO
NO
YES
YES
YES
YES
https://ideone.com/BZIoKv
language:
C++14 (gcc 8.3)
created:
9 years ago
visibility:
secret

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