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  1. #include <iostream> // this doesn't count for the 'no library' limitation?
  2.  
  3. struct letter_count
  4. {
  5. 	char letter = '\0';
  6. 	int count = 0;
  7. };
  8.  
  9. int add(letter_count *begin, letter_count *end, char letter)
  10. {
  11. 	while (begin != end)
  12. 	{
  13. 		if (begin->letter == letter)
  14. 		{
  15. 			return ++begin->count;
  16. 		}
  17. 		else if (begin->letter == '\0')
  18. 		{
  19. 			++begin->letter = letter;
  20. 			return ++begin->count;
  21. 		}
  22.  
  23. 		++begin;
  24. 	}
  25.  
  26. 	return 0;
  27. }
  28.  
  29. int max (int a, int b)
  30. {
  31. 	return a > b ? a : b;
  32. }
  33.  
  34. letter_count *buffer = nullptr;
  35.  
  36. int main()
  37. {
  38. 	auto testString = "supergalifragilisticoespialidoso";
  39.  
  40. 	int len = 0, index = 0, greater = 0;
  41.  
  42. 	while (testString[index++])
  43. 		++len;
  44.  
  45. 	buffer = new letter_count[len];
  46.  
  47. 	for (index = 0; index < len; ++index)
  48. 		greater = max(add(buffer, buffer + len, testString[index]), greater);
  49.  
  50. 	for (index = 0; buffer[index].letter && index < len; ++index)
  51. 		std::cout << buffer[index].letter;
  52.  
  53. 	std::cout << '\n';
  54.  
  55. 	for (int count = 0; count < greater; ++count)
  56. 	{
  57. 		for (index = 0; buffer[index].letter && index < len; ++index)
  58. 			std::cout << (count < buffer[index].count ? '*' : ' ');
  59.  
  60. 		std::cout << '\n';
  61. 	}
  62.  
  63. 	delete [] buffer;
  64.  
  65. 	return 0;
  66. }
Success #stdin #stdout 0s 3472KB
comments (?)
stdin 
test
stdout 
supergaliftcod
**************
* *******   * 
*     ***   * 
*       *     
        *     
        *
https://ideone.com/VvpguU
algoritmo cuentaletras
language:
C++14 (gcc 8.3)
created:
10 years ago
visibility:
public

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