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  1. #include<bits/stdc++.h>
  2. #define ll long long
  3. using namespace std;
  4.  
  5. ll t, n, res = LLONG_MAX;
  6.  
  7. void kt(ll x,ll s)
  8. {
  9.     if(s % n == 0)
  10.     {
  11.         res = min(res, s);
  12.         return;
  13.     }
  14.     if(x > 13) return;
  15.     kt(x + 1, s * 10);
  16.     kt(x + 1, s * 10 + 9);
  17. }
  18.  
  19. int main()
  20. {
  21.     ios_base::sync_with_stdio(false);
  22.     cin.tie(0);cout.tie(0);
  23.  
  24.     cin >> t;
  25.     while(t--)
  26.     {
  27.         cin >> n;
  28.         kt(1, 9);
  29.         cout << res << '\n';
  30.         res = LLONG_MAX;
  31.     }
  32.     return 0;
  33. }
  34.  
Success #stdin #stdout 0s 5324KB
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3
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https://ideone.com/4bt0Jk
language:
C++14 (gcc 8.3)
created:
3 hours ago
visibility:
public

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