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  1. #include <iostream>
  2. #include <queue>
  3. using namespace std;
  4.  
  5. int main() {
  6.     int t;
  7.     cin >> t;
  8.     while (t--) {
  9.         int n;
  10.         cin >> n;
  11.         queue<long long> q;
  12.         q.push(1);
  13.  
  14.         while (n--) {
  15.             long long front = q.front();
  16.             q.pop();
  17.  
  18.             cout << front << " ";
  19.  
  20.             q.push(front * 10);
  21.             q.push(front * 10 + 1);
  22.         }
  23.  
  24.         cout << endl;
  25.     }
  26.     return 0;
  27. }
  28.  
  29.  
Success #stdin #stdout 0.01s 5320KB
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stdin
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1
18
stdout
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1 10 11 100 101 110 111 1000 1001 1010 1011 1100 1101 1110 1111 10000 10001 10010
https://ideone.com/lztpEV
language:
C++ (gcc 8.3)
created:
9 hours ago
visibility:
public

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