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  1. #include <iostream>
  2. #include <vector>
  3. #include <algorithm>
  4. using namespace std;
  5.  
  6. int main() {
  7. 	int arr[] = {3, 2, 6, 4};
  8. 	const int sz = static_cast<int>(sizeof arr / sizeof arr[0]);
  9. 	std::vector< pair<int, int> > vp(sz); // std::array if size is fixed
  10. 	for(int i = 0; i < sz; ++i) vp[i] = make_pair(arr[i], i + 1);
  11. 	sort(vp.begin(), vp.end());
  12. 	for(int i = 0; i < sz; ++i) cout << ' ' << vp[i].second;
  13. 	return 0;
  14. }
Success #stdin #stdout 0s 3232KB
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stdin 
Standard input is empty
stdout 
 2 1 4 3
https://ideone.com/SPFJpK
language:
C++14 (gcc 8.3)
created:
8 years ago
visibility:
public

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