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Dec 22nd, 2014
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C++ 0.58 KB | None | 0 0
  1. #include <iostream>
  2. #include <vector>
  3.  
  4. using namespace std;
  5.  
  6. void recursiu(int pos, int n, const vector<char>& lletres, vector<char>& sol) {
  7.     if (pos == n) {
  8.     for (int i = 0; i < n; ++i) cout << sol[i];
  9.     cout << endl;
  10.     }
  11.     else {
  12.     for (int i = 0; i < 4; ++i) {
  13.         sol[pos] = lletres[i];
  14.         recursiu(pos+1, n, lletres, sol);
  15.     }
  16.     }
  17. }
  18.  
  19. int main() {
  20.     int n;
  21.     cin >> n;
  22.     vector <char>lletres (4);
  23.     lletres[0] = 'A';
  24.     lletres[1] = 'C';
  25.     lletres[2] = 'G';
  26.     lletres[3] = 'T';
  27.     vector<char>sol (n);
  28.     recursiu(0, n, lletres, sol);
  29. }
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