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  1. #include <iostream>
  2. #include <string>
  3. #include <vector>
  4. #include <algorithm>
  5.  
  6. using std::cout;
  7. using std::cin;
  8. using std::endl;
  9. using std::string;
  10. using std::swap;
  11.  
  12. struct studentStruct {                                                                                                                      
  13.   string firstName;
  14.   //string lastName;
  15.   //int grade;
  16.   //float GPA;
  17. };
  18.  
  19. enum sortField {eFirstName, eLastName, eGrade, eGPA};                                                                                                   
  20. enum sortDirection {eAscending, eDescending};
  21.  
  22. bool compData( studentStruct s1, studentStruct s2,  sortField field, sortDirection direction)
  23. {
  24.   switch(field)
  25.     {
  26.     case eFirstName:
  27.       {
  28.         string f1 = s1.firstName;
  29.         string f2 = s2.firstName;
  30. 		switch(direction)
  31. 		{
  32. 			case eAscending:
  33. 			{
  34. 				if(f2 < f1)
  35. 					return true;
  36. 				else	
  37. 					return false;
  38. 			}
  39. 			case eDescending:
  40. 			{
  41. 				if(f2 > f1)
  42. 					return true;
  43. 				else	
  44. 					return false;
  45. 			}
  46. 		}
  47.       }
  48.     }
  49. }
  50.  
  51. void sort( studentStruct s[], enum sortField field, int length, sortDirection d)
  52. {
  53.   for(int i = 0; i < length - 1; i++)
  54.     {
  55.       for(int j = 0; j < length - 1 - i; j++)
  56.         {
  57.           if(compData(s[j], s[j+1], field, d) == true)
  58.             {
  59.               swap(s[j], s[j+1]);
  60.               cout << "SWAP" << endl;
  61.             }
  62.         }
  63.     }
  64. }
  65.  
  66.  
  67. int main()
  68. {
  69. 	struct studentStruct s[5] = {{"M"}, {"I"}, {"K"}, {"O"}, {"N"}};
  70. 	 sort(s, eFirstName, 5, eAscending);
  71. 	 for(int i = 0; i < 5; i++)
  72. 		 cout << s[i].firstName << endl;
  73. }
Success #stdin #stdout 0s 15240KB
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stdin
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Standard input is empty
stdout
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SWAP
SWAP
SWAP
I
K
M
N
O
https://ideone.com/l6gqD9
language:
C++ (gcc 8.3)
created:
5 years ago
visibility:
public

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