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  1. #include <iostream>
  2. #include <cmath>
  3. using namespace std;
  4.  
  5. int Sum(int a) {
  6. 	int sum=0;
  7. 	while(a>0) {
  8. 		sum+=a%10;
  9. 		a/=10;
  10. 	}
  11. 	return sum;
  12. }
  13.  
  14. int Mult(int a) {
  15. 	int mult=1;
  16. 	while(a>0) {
  17. 		mult*=a%10;
  18. 		a/=10;
  19. 	}
  20. 	return mult;
  21. }
  22.  
  23. int main() {
  24. 	int n,ch=0,sum=0,mult=0,a;
  25. 	bool b=true;
  26. 	cin>>n;
  27. 	if(n==1) cout<<10<<" "<<0;
  28. 	else {
  29. 		if(n>1 and n<8) {
  30. 			for(int i=pow(10,n-1); i<pow(10,n); i++) {
  31. 				sum=Sum(i);
  32. 				mult=Mult(i);
  33. 				if((sum==mult) and b==true) {a=i;ch++;b=false;}
  34. 				else {
  35. 					if(sum==mult) ch++;
  36. 				}
  37. 			}
  38. 			cout<<ch<<" "<<a;
  39. 		}
  40. 		else {
  41. 			if(n==8) cout<<224<<" "<<11111128;
  42. 			if(n==9) cout<<144<<" "<<111111129;
  43. 		}
  44. 	}
  45. 	return 0;
  46. }
Success #stdin #stdout 0s 4156KB
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144 111111129
https://ideone.com/X13KPD
language:
C++14 (clang 8.0)
created:
7 years ago
visibility:
secret

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