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  1. #include <cmath>
  2. #include <climits>
  3. #include <queue>
  4. #include <vector>
  5. #include <map>
  6. #include <cstdlib>
  7. #include <fstream>
  8. #include <iomanip>
  9. #include <iostream>
  10. #include <sstream>  // istringstream buffer(myString);
  11. #include <stack>
  12. #include <algorithm>
  13. #include <cstring>
  14. #include <cassert>
  15. //functions in code for optimization
  16. #define max(a,b) (a<b?b:a)
  17. #define min(a,b) (a<b?a:b)
  18. #define abs(x) (x<0?(-x):x)
  19. #define C2I(c) (c-'0')
  20. #define gcd    __gcd
  21. //data types used often, but you don't want to type them time by time
  22. #define ll long long
  23. #define ull unsigned long long
  24. #define ui unsigned int
  25. //For Map, pair
  26. #define pb push_back
  27. #define mp make_pair
  28. #define fi first
  29. #define se second
  30. // for debug
  31. #define DBG(vari) cerr<<#vari<<" = "<<(vari)<<endl;
  32.  
  33. using namespace std;
  34. int check_dig(ll x,int t);
  35. int main()
  36. {
  37.     //Your Code Starts here :*
  38.     ll mul=0;
  39.     ll a,b,c=0;
  40.     int counter=0;
  41.     cin>>a>>b>>c;
  42.     vector<ll> raa;
  43.     for(int i=1; i<=81; i++)
  44.     {
  45.         mul=(b*pow(i,a))+c;
  46.         if(check_dig(mul,i))
  47.         {
  48.             if(mul<1000000000 )
  49.             {
  50.                 counter++;
  51.                 raa.push_back(mul);
  52.             }
  53.         }
  54.     }
  55.     cout<<counter<<endl;
  56.     for(int i=0; i!=(int)raa.size(); i++)
  57.         cout<<raa[i]<<" ";
  58.     return 0;
  59. }
  60. int check_dig(ll x,int t)
  61. {
  62.     int sum=0;
  63.     while(x>0)
  64.     {
  65.         sum=sum+x%10;
  66.         x=x/10;
  67.     }
  68.     if(sum==t)
  69.         return 1;
  70.     else
  71.         return 0;
  72. }
  73.  
Success #stdin #stdout 0s 3480KB
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10 2008 13726
https://ideone.com/siiNCJ
language:
C++ (gcc 8.3)
created:
9 years ago
visibility:
public

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