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  1. #include<bits/stdc++.h>
  2. using namespace std;
  3.  
  4. #define ll long long int
  5.  
  6. void solve(){
  7. 	ll n, i, final;
  8. 	cin >> n;
  9. 	final = (1 << n);
  10. 	// cout << final << " is final\n";
  11. 	multiset<ll> st;
  12. 	vector<ll> A,sum;
  13. 	for(i = 0; i < final; i++){
  14. 		ll k;
  15. 		cin >> k;
  16. 		st.insert(k);
  17. 	}	
  18. 	for(i=0;i<2;i++){
  19. 		A.push_back(*st.begin());
  20. 		sum.push_back(*st.begin());
  21. 		st.erase(st.begin());
  22. 	}
  23. 	while(A.size() < n+1){
  24. 		ll newElement = *st.begin();
  25. 		for(auto element:sum){
  26. 			if(st.find(element+newElement) != st.end()){
  27. 				st.erase(st.find(element + newElement));
  28. 				sum.push_back(element + newElement);		
  29. 			}
  30. 		}
  31. 		A.push_back(newElement);
  32. 	}
  33. 	for(int i=1;i<A.size();i++)
  34. 		cout << A[i] << ' ';
  35. 	cout << '\n';
  36.  
  37. }
  38.  
  39. int main(){
  40. 	ios_base::sync_with_stdio(false);
  41. 	cin.tie(0);		cout.tie(0);
  42. 	int test;
  43. 	cin >> test;
  44. 	while(test--){
  45. 		solve();
  46. 	}
  47.  
  48. 	return 0;
  49. }
Success #stdin #stdout 0s 4404KB
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https://ideone.com/r5JZID
language:
C++14 (gcc 8.3)
created:
4 years ago
visibility:
secret

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