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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3. bool findans(long long int n)
  4. {
  5.     if(n==1)
  6.     {
  7.         return true;
  8.     }
  9.  
  10.     if(((n%10)!=0)&&((n%20)!=0))
  11.     {
  12.         return false;
  13.     }
  14.  
  15.     if(n%10==0)
  16.     {
  17.         if(findans(n/10))
  18.         {
  19.             return true;
  20.         }
  21.     }
  22.  
  23.     if(n%20==0)
  24.     {
  25.         if(findans(n/20))
  26.         {
  27.             return true;
  28.         }
  29.     }
  30.  
  31.     return false;
  32. }
  33.  
  34. int main()
  35. {
  36.     ios_base::sync_with_stdio(false);
  37.     cin.tie(NULL);
  38.     long long int t;
  39.     cin>>t;
  40.     while(t--)
  41.     {
  42.         long long int ip;
  43.         cin>>ip;
  44.  
  45.         if(findans(ip))
  46.         {
  47.             cout<<"YES\n";
  48.         }
  49.         else
  50.         {
  51.             cout<<"NO\n";
  52.         }
  53.  
  54.     }
  55.     return 0;
  56. }
  57.  
  58. //1000000000000
Success #stdin #stdout 0s 4376KB
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https://ideone.com/1zRMha
language:
C++14 (gcc 8.3)
created:
5 years ago
visibility:
secret

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