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  1. #include <algorithm>
  2. #include <iostream>
  3. #include <numeric>
  4. #include <vector>
  5. using namespace std;
  6.  
  7. int main() {
  8. 	vector<int> values = {7, 5, 8, 2, 6, 8, 10};
  9. 	vector<int> indices(values.size());
  10. 	iota(indices.begin(), indices.end(), 0);
  11. 	cout << "vorher:\n";
  12. 	for (auto i: indices)
  13. 		cout << i << '(' << values[i] << ") ";
  14.  
  15. 	std::sort(indices.begin(), indices.end(), 
  16. 	[values](int a, int b) {return values[a] < values[b];}
  17. 	);
  18.  
  19. 	cout << "\nnachher:\n";
  20. 	for (auto i: indices)
  21. 		cout << i << '(' << values[i] << ") ";
  22.  
  23. 	return 0;
  24. }
Success #stdin #stdout 0s 15240KB
comments (?)
stdin 
Standard input is empty
stdout 
vorher:
0(7) 1(5) 2(8) 3(2) 4(6) 5(8) 6(10) 
nachher:
3(2) 1(5) 4(6) 0(7) 2(8) 5(8) 6(10)
https://ideone.com/6Sqgfo
language:
C++14 (gcc 8.3)
created:
6 years ago
visibility:
public

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