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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. #include <stdio.h>
  5. #include <iostream>
  6. #include <cstring>
  7.  
  8.  
  9. int main()
  10. {
  11. 	std::string s = "hello world", s1 = "";
  12. 	size_t j = 0, i = 0;
  13.  
  14. 	while (s[i] != '\0')
  15. 	{
  16. 		if (s[i] != ' ')
  17. 			s1 += s[i];
  18. 		i++;
  19. 	}
  20. 	s = s1;
  21. 	s1 = " ";
  22. 	i = 0;
  23. 	std::cout << s << "\n";
  24. 	while (s.size() % 4 != 0)
  25. 		s += '0';
  26. 	std::cout << s << "\n";
  27.  
  28. 	while (s[i] != '\0')
  29. 	{
  30. 		s1 += s[i];
  31. 		i += 2;
  32. 	}
  33. 	std::cout << s1 << "\n";
  34. 	i = 1;
  35. 	std::cout << s1 << "\n";
  36. 	while (s[i] != '\0')
  37. 	{
  38. 		s1 += s[i];
  39. 		i += 2;
  40. 	}
  41. 	std::cout << s1 << "\n";
  42.  
  43. 	i = 0;
  44. 	s = "";
  45. 	while (s1[i] != '\0')
  46. 	{
  47. 		s += s1[i];
  48. 		i++;
  49. 		j++;
  50. 		if (j == 4)
  51. 		{
  52. 			s += ' ';
  53. 			j = 0;
  54. 		}
  55. 	}
  56. 	std::cout << s << "\n";
  57.  
  58.  
  59. 	system("pause");
  60. 	return 0;
  61. }
  62.  
Success #stdin #stdout #stderr 0s 4536KB
comments (?)
stdin
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Standard input is empty
stdout
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helloworld
helloworld00
 hlool0
 hlool0
 hlool0elwrd0+
 hlo ol0e lwrd 0+
stderr
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sh: 1: pause: not found
https://ideone.com/9gGTBD
language:
C++ (gcc 8.3)
created:
6 years ago
visibility:
public

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