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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4. void combination(vector<int> comb, deque<int> numbers) {
  5.  
  6.     if (numbers.empty()) {
  7.         for (unsigned int i = 0; i < comb.size(); i++) {
  8.             cout << comb[i] << " ";
  9.         }
  10.         cout << "\n";
  11.         return;
  12.     }
  13.  
  14.     comb.push_back(numbers.front());
  15.     numbers.pop_front();
  16.     combination(comb, numbers);
  17.     comb.pop_back();
  18.     combination(comb, numbers);
  19. }
  20.  
  21. int main() {
  22. 	// your code goes here
  23. 	vector<int> comb;
  24. 	deque<int> numbers;
  25. 	for(int i = 0;i < 7;i++) numbers.push_back(i);
  26. 	combination(comb, numbers);
  27. 	return 0;
  28. }
Success #stdin #stdout 0s 3464KB
comments (?)
stdin 
Standard input is empty
stdout 
0 1 2 3 4 5 6 
0 1 2 3 4 5 
0 1 2 3 4 6 
0 1 2 3 4 
0 1 2 3 5 6 
0 1 2 3 5 
0 1 2 3 6 
0 1 2 3 
0 1 2 4 5 6 
0 1 2 4 5 
0 1 2 4 6 
0 1 2 4 
0 1 2 5 6 
0 1 2 5 
0 1 2 6 
0 1 2 
0 1 3 4 5 6 
0 1 3 4 5 
0 1 3 4 6 
0 1 3 4 
0 1 3 5 6 
0 1 3 5 
0 1 3 6 
0 1 3 
0 1 4 5 6 
0 1 4 5 
0 1 4 6 
0 1 4 
0 1 5 6 
0 1 5 
0 1 6 
0 1 
0 2 3 4 5 6 
0 2 3 4 5 
0 2 3 4 6 
0 2 3 4 
0 2 3 5 6 
0 2 3 5 
0 2 3 6 
0 2 3 
0 2 4 5 6 
0 2 4 5 
0 2 4 6 
0 2 4 
0 2 5 6 
0 2 5 
0 2 6 
0 2 
0 3 4 5 6 
0 3 4 5 
0 3 4 6 
0 3 4 
0 3 5 6 
0 3 5 
0 3 6 
0 3 
0 4 5 6 
0 4 5 
0 4 6 
0 4 
0 5 6 
0 5 
0 6 
0 
1 2 3 4 5 6 
1 2 3 4 5 
1 2 3 4 6 
1 2 3 4 
1 2 3 5 6 
1 2 3 5 
1 2 3 6 
1 2 3 
1 2 4 5 6 
1 2 4 5 
1 2 4 6 
1 2 4 
1 2 5 6 
1 2 5 
1 2 6 
1 2 
1 3 4 5 6 
1 3 4 5 
1 3 4 6 
1 3 4 
1 3 5 6 
1 3 5 
1 3 6 
1 3 
1 4 5 6 
1 4 5 
1 4 6 
1 4 
1 5 6 
1 5 
1 6 
1 
2 3 4 5 6 
2 3 4 5 
2 3 4 6 
2 3 4 
2 3 5 6 
2 3 5 
2 3 6 
2 3 
2 4 5 6 
2 4 5 
2 4 6 
2 4 
2 5 6 
2 5 
2 6 
2 
3 4 5 6 
3 4 5 
3 4 6 
3 4 
3 5 6 
3 5 
3 6 
3 
4 5 6 
4 5 
4 6 
4 
5 6 
5 
6
https://ideone.com/vgukF3
language:
C++ (gcc 8.3)
created:
8 years ago
visibility:
public

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