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  1. #include<bits/stdc++.h>
  2. #define ll long long
  3. using namespace std;
  4. int n;
  5. void bin(vector<int>a, int i)
  6. {
  7.     if (i == n) 
  8.     {
  9. 	    for (int it:a)
  10. 	    	cout << it;
  11. 	    cout << '\n';
  12.         return;
  13.     }
  14.     a.push_back(0);
  15.     bin(a, i + 1);
  16.     a.pop_back();
  17.     a.push_back(1);
  18.     bin(a, i + 1);
  19. }
  20.  
  21. int main() {
  22.     ios_base::sync_with_stdio(0), cin.tie(0), cout.tie(0);
  23.     int t;
  24.     cin>>t;
  25.     while(t--) {
  26.         cin>>n;
  27.         vector<int> arr;
  28.         arr.clear();
  29.         bin(arr, 0);
  30.     }
  31. }
Success #stdin #stdout 0.01s 5360KB
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https://ideone.com/MexZka
language:
C++ (gcc 8.3)
created:
60 days ago
visibility:
public

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