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  1. #include <vector>
  2. #include <algorithm>
  3. #include <iostream>
  4.  
  5. int main()
  6. {
  7. 	std::vector<int> a{ 4, -5, 976, 776, 324, -987 };
  8. 	std::vector<int> b(a.size());
  9. 	std::iota(begin(b), end(b), 0);
  10.  
  11. 	std::sort(begin(b), end(b), [&](int i, int j) { return a[i] < a[j]; });
  12.  
  13. 	for (const auto& e : b) {
  14. 		std::cout << e << std::endl;
  15. 	}
  16.  
  17. 	return 0;
  18. }
  19.  
Success #stdin #stdout 0s 3432KB
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stdin
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Standard input is empty
stdout
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5
1
0
4
3
2
https://ideone.com/JI7cUU
language:
C++14 (gcc 8.3)
created:
10 years ago
visibility:
secret

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