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  1. // Saliha Babar                  CS1A                 Chapter 10, #2, Page 588
  2. //
  3. /*****************************************************************************
  4.  * REVERSE STRING
  5.  * ____________________________________________________________________________
  6.  * This program accept strings up to n characters, and it will reverse the 
  7.  * string.
  8.  * 
  9.  * Reverse happens as the following
  10.  * "Saliha" will result in "ahilaS".
  11.  * ______________________________________________________________________________
  12.  * INPUT 
  13.  *    size           : size of the array allocated for string
  14.  *    word           : string of n characters
  15.  * 
  16.  * OUTPUT
  17.  *    reverseArray   : pointer for the reversed array
  18.  * ****************************************************************************/
  19. #include <iostream>
  20. #include <cstring>
  21. using namespace std;
  22.  
  23. char*  BackwardString (char array[], int size);
  24.  
  25. int main() {
  26. 	const int SIZE = 51;       // INPUT - size of the string
  27. 	char word[SIZE];           // INPUT - array of the characters
  28. 	int strLength;             // Length of string
  29. 	char* reverseArray;        // Pointer of reversed array
  30.  
  31. 	cout << "Enter any word up to " << SIZE - 1 << " characters long\n";
  32. 	cin.getline(word, SIZE);
  33.  
  34. 	cout <<"This is original string \"" << word << "\"\n";
  35.  
  36. 	// Check for printable characters
  37. 	strLength = strlen(word);
  38.  
  39. 	// Call the backward function and reverse the array
  40. 	reverseArray = BackwardString (word, strLength);
  41.  
  42. 	cout <<"This is reversed string \"" << reverseArray << "\"\n";
  43.  
  44. 	delete [] reverseArray;
  45.  
  46. 	return 0;
  47. }
  48.  
  49. char* BackwardString (char array[], int size)
  50. {
  51. 	// Create a new memory location for reversed array
  52. 	char* reverse;
  53. 	reverse = new char [size+1];
  54.  
  55. 	for (int i = 0; i < size ; i++)
  56. 	{
  57. 		reverse [size -1-i] = array[i] ;
  58. 	}
  59. 	reverse[size] = '\0';
  60. 	return reverse;
  61. }
  62.  
Success #stdin #stdout 0s 5288KB
comments (?)
stdin
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Saliha Babar
stdout
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Enter any word up to 50 characters long
This is original string "Saliha Babar"
This is reversed string "rabaB ahilaS"
https://ideone.com/DGTNgc
HW Chapter 10 Backward String
language:
C++ (gcc 8.3)
created:
15 hours ago
visibility:
public

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