| 7 | #define endl '\n' |
| 8 | vector<vector<int>> ex; |
| 9 | void generate(vector<int> &subset,int i,vector<int> &nums ) |
| 10 | { |
| 11 | if(i==nums.size()){ |
| 12 | ex.pb(subset); |
| 13 | return ; |
| 14 | } |
| 15 | //ith element is not included |
| 16 | generate(subset,i+1,nums); |
| 17 | // ith element is included |
| 18 | subset.pb(nums[i]); |
| 19 | generate(subset,i+1,nums); |
| 20 | subset.pop_back(); |
| 21 | } |
| 22 | int main(){ |
| 23 | cin.tie(0)->sync_with_stdio(0); |
| 24 | int n; |