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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. void printArray(int data[], int size)
  5. {
  6.   for (int i = 0; i < size; i++) {
  7.     cout <<  data[i] << " ";
  8.   }
  9.   cout << endl;
  10. }
  11.  
  12. int main() {
  13. 	int arr[] = {42, 68, 35, 1, 70, 25, 79, 59, 63, 65};
  14. 	int size = 10;
  15. 	cout << "Initial array" << endl;
  16. 	printArray(arr, size);
  17.  
  18. 	int * first= arr;
  19. 	int * last = &arr[size - 1];
  20.  
  21. 	for (int i = 0; i < size/2; i++) {
  22.       int temp = *first;
  23.       *first = *last;
  24.       *last = temp;
  25.       first++;
  26.       last--;
  27.     }
  28.     cout << "After swap " << endl;
  29. 	printArray(arr, size);
  30. }
  31.  
  32.  
Success #stdin #stdout 0s 15240KB
comments (?)
stdin
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Standard input is empty
stdout
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Initial array
42 68 35 1 70 25 79 59 63 65 
After swap 
65 63 59 79 25 70 1 35 68 42
https://ideone.com/x6ecIg
language:
C++ (gcc 8.3)
created:
8 years ago
visibility:
public

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