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  1. #include <bits/stdc++.h>
  2. #define ll long long
  3.  
  4. using namespace std;
  5.  
  6. int n, x[100];
  7. bool ok = true;
  8.  
  9. void init(){
  10.    cin >> n;
  11.    for(int i = 1; i <= n; i++){
  12.       x[i] = 0;
  13.    }
  14. }
  15.  
  16. bool tn(){
  17.    int l = 1, r = n;
  18.    while(l < r){
  19.       if(x[l] != x[r]){
  20.          return false;
  21.       }
  22.       l++; r--;
  23.    }
  24.    return true;
  25. }
  26.  
  27. void result(){
  28.    for(int i = 1; i <= n; i++){
  29.    cout << x[i] << ' ';
  30.    }
  31.    cout << endl;
  32. }
  33.  
  34. void next_bits_string(){
  35.    int i = n;
  36.    while(i > 0 && x[i] == 1){
  37.       x[i] = 0;
  38.       i--;
  39.    }
  40.    if(i == 0){
  41.       ok = false;
  42.    }
  43.    else{
  44.       x[i] = 1;
  45.    }
  46. }
  47.  
  48. int main(){
  49.    init();
  50.    while(ok){
  51.       if(tn()) result();
  52.       next_bits_string();
  53.    }
  54. }
Success #stdin #stdout 0.01s 5288KB
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language:

						
C++14 (gcc 8.3)

					

					

						
created:
								
						
16 days ago

					

					

						
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