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  1. #include <algorithm>
  2. #include <iostream>
  3. #include <vector>
  4.  
  5. void print(const std::vector<int>& v)
  6. {
  7.     for (int e : v) {
  8.         std::cout << " " << e;
  9.     }
  10.     std::cout << std::endl;
  11. }
  12.  
  13. int main()
  14. {
  15.     std::vector<int> v = {1,2,3};
  16.     // vector should be sorted at the beginning.
  17.  
  18.     do {
  19.         print(v);
  20.     } while (std::next_permutation(v.begin(), v.end()));
  21. }
Success #stdin #stdout 0s 3412KB
comments (?)
stdin
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Standard input is empty
stdout
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 1 2 3
 1 3 2
 2 1 3
 2 3 1
 3 1 2
 3 2 1
https://ideone.com/O4KhFh
language:
C++14 (gcc 8.3)
created:
10 years ago
visibility:
public

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