| 46 | // { Driver Code Starts. |
| 47 | |
| 48 | int main() |
| 49 | { |
| 50 | int t; |
| 51 | cin >> t; |
| 52 | |
| 53 | while (t--) |
| 54 | { |
| 55 | int n, x; |
| 56 | cin >> n; |
| 57 | |
| 58 | vector<int> array; |
| 59 | for (int i = 0; i < n; i++) |
| 60 | { |
| 61 | cin >> x; |
| 62 | array.push_back(x); |
| 63 | } |
| 64 | |
| 65 | |
| 66 | Solution ob; |
| 67 | vector<vector<int> > res = ob.subsets(array); |
| 68 | |
| 69 | // Print result |
| 70 | for (int i = 0; i < res.size(); i++) { |
| 71 | for (int j = 0; j < res[i].size(); j++) |
| 72 | cout << res[i][j] << " "; |
| 73 | cout << endl; |
| 74 | } |
| 75 | |
| 76 | |
| 77 | } |
| 78 | |
| 79 | return 0; |
| 80 | } // } Driver Code Ends |