fork download
copy 
  1. #include <iostream>
  2. #include <vector>
  3. #include <fstream>
  4. #include <algorithm>
  5. #include <cassert>
  6.  
  7. using namespace std;
  8.  
  9. void input(int& m, int& p, int& q)
  10. {
  11.     //ifstream fin("input.txt");
  12.  
  13.     std::cin >> m >> p >> q;
  14.  
  15.     //fin.close();
  16. }
  17.  
  18. void fillVec(vector <int>& elements, int m, int p, int q)
  19. {
  20.     fill_n(elements.begin() + m, p, 1); // filling the vectors with correct amount of numbers. The 0's all already there, so I only put the 1's, and the 2's in.
  21.     fill_n(elements.begin() + m + p, q, 2);
  22. }
  23.  
  24. void print(const vector<int>& nums, ostream& out)
  25. {
  26.     for (int a : nums) { out << a << ' '; }
  27.     out << endl;
  28. }
  29.  
  30. void permute(vector<int>& nums, ostream& out) 
  31. {
  32.     print(nums, out); 
  33.     if (std::next_permutation(nums.begin(), nums.end())) { permute(nums, out); }
  34. }
  35.  
  36. int main()
  37. {
  38.     int m, p, q;
  39.  
  40.     input(m, p, q);
  41.  
  42.     vector <int> elements(m + p + q);
  43.     fillVec(elements, m, p, q);
  44.  
  45.     //ofstream fout("output.txt");
  46.  
  47.     permute(elements, std::cout);
  48.  
  49.     //fout.close();
  50.  
  51.     return 0;
  52. }
Success #stdin #stdout 0.01s 5400KB
comments (?)
stdin
copy 
1 0 2
stdout
copy 
0 2 2 
2 0 2 
2 2 0
https://ideone.com/4nFmcg
language:
C++14 (gcc 8.3)
created:
3 years ago
visibility:
secret

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!