fork download 
  1. #include <iostream>
  2. using namespace std;
  3.  
  4. const size_t STRING_LENGTH = 12;
  5.  
  6. void removeLetter(char* string, char letterToBeRemoved)
  7. {
  8. 	// pBack will look at each letter in the array 
  9. 	// and copy only valid letters to pFront
  10. 	// pFront is incremented only when valid letters are copied to it.
  11. 	char* pBack = string;
  12. 	char* pFront = string;
  13. 	while ((pBack - string) < STRING_LENGTH)
  14. 	{
  15. 		if (*pBack != letterToBeRemoved)
  16. 		{
  17. 			*pFront = *pBack;
  18. 			pFront++;
  19. 		}
  20. 		pBack++;
  21. 	}
  22.  
  23. 	// Terminate string if we removed something
  24. 	if ((pBack - string) != (STRING_LENGTH - 1))
  25. 	{
  26. 		*pFront = '\0';
  27. 	}
  28.  
  29.  
  30. }
  31.  
  32. int main() {
  33. 	char input[STRING_LENGTH] = "hello world";
  34. 	removeLetter(input, 'l');
  35. 	std::cout << input << std::endl;
  36. 	return 0;
  37. }
Success #stdin #stdout 0s 3468KB
comments (?)
stdin 
Standard input is empty
stdout 
heo word
https://ideone.com/t3Obxw
language:
C++14 (gcc 8.3)
created:
9 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!