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  1. #include <bits/stdc++.h>
  2. #define _ ios_base::sync_with_stdio(0);cin.tie(0);
  3. #define li long int
  4. #define lli long long int
  5.  
  6. using namespace std;
  7.  
  8. lli digitsum(lli x)
  9. {
  10. 	lli sum=0;
  11. 	while(x!=0)
  12. 	{
  13. 		sum=sum+x%10;
  14. 		x=x/10;
  15. 	}
  16. 	return sum;
  17. }
  18.  
  19. lli power(lli x, lli a)
  20. {
  21. 	lli y=1;
  22. 	while(a!=0)
  23. 	{
  24. 		y=y*x;
  25. 		a--;
  26. 	}
  27. 	return y;
  28. }
  29.  
  30. int main()
  31. {
  32. 	lli a, b, c, i, x, y, count=0;
  33. 	lli num[10000];
  34. 	cin>>a>>b>>c;
  35.  
  36. 	for(i=1; i<=72; i++)
  37. 	{
  38. 		y=power(i, a)*b+c;
  39. 		x=digitsum(y);
  40. 		if(x==i && y<1000000000)
  41. 		{
  42. 			num[count]=y;
  43. 			count++;
  44. 		}
  45. 	}
  46.  
  47. 	cout<<count<<endl;
  48. 	for(i=0; i<count; i++)
  49. 	{
  50. 		if(i!=count-1) cout<<num[i]<<" ";
  51. 		else cout<<num[i]<<endl;
  52. 	}
  53. 	return 0;
  54. }
  55.  
Success #stdin #stdout 0s 3304KB
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https://ideone.com/2kAsED
language:
C++ (gcc 8.3)
created:
9 years ago
visibility:
public

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