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  1.     #include <iostream>
  2.     #include <vector>
  3.     #include <unordered_set>
  4.     using namespace std;
  5.  
  6.     template<typename Container>
  7.     auto get_pointers(const Container& c)
  8.     {
  9.         vector<decltype(begin(c))> ptrvector;
  10.  
  11.         for (auto iter = begin(c); iter != end(c); ++iter)
  12.             ptrvector.push_back(iter);
  13.  
  14.         return ptrvector;
  15.     }
  16.  
  17.     int main()
  18.     {
  19.     	vector<int> testvector = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 0 };
  20.     	auto ptrs1 = get_pointers(testvector);
  21.     	for (auto p : ptrs1)
  22.     	    cout << *p << " ";
  23.  
  24.     	int testarray[] = { 11, 12, 13, 14, 15, 16, 17, 18, 19, 10 };
  25.     	auto ptrs2 = get_pointers(testarray);
  26.     	for (auto p : ptrs2)
  27.     	    cout << *p << " ";
  28.  
  29.     	unordered_set<int> testset = { 21, 22, 23, 24, 25, 26, 27, 28, 29, 20 };
  30.     	auto ptrs3 = get_pointers(testset);
  31.     	for (auto p : ptrs3)
  32.     	    cout << *p << " ";
  33.  
  34.     	return 0;
  35.     }
Success #stdin #stdout 0s 3464KB
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Standard input is empty
stdout
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1 2 3 4 5 6 7 8 9 0 11 12 13 14 15 16 17 18 19 10 20 29 28 27 26 25 24 23 22 21
https://ideone.com/wHxZtM
language:
C++14 (gcc 8.3)
created:
9 years ago
visibility:
public

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