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  1. #include<bits/stdc++.h>
  2. #define ll long long
  3. using namespace std;
  4. int n;
  5. void print(vector<int>b){
  6. 	for (int it:b)
  7. 	    	cout << it;
  8. 	cout << '\n';    
  9. }
  10. void bin(vector<int>a, int i)
  11. {
  12.     if (i == n) 
  13.     {
  14. 	    print(a);
  15.         return;
  16.     }
  17.     a.push_back(0);
  18.     bin(a, i + 1);
  19.     a.pop_back();
  20.     a.push_back(1);
  21.     bin(a, i + 1);
  22. }
  23.  
  24. int main() {
  25.     ios_base::sync_with_stdio(0), cin.tie(0), cout.tie(0);
  26.     int t;
  27.     cin>>t;
  28.     while(t--) {
  29.         cin>>n;
  30.         vector<int> arr;
  31.         arr.clear();
  32.         bin(arr, 0);
  33.     }
  34. }
Success #stdin #stdout 0.01s 5472KB
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https://ideone.com/QwU8mE
language:
C++ (gcc 8.3)
created:
1 year ago
visibility:
public

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