fork(4) download
copy 
  1. #include<bits/stdc++.h>
  2.  
  3. #define    pi          acos(-1) 
  4. #define    all(x)      (x).begin(),(x).end()
  5. #define    fill(x,y)   memset(x, y, sizeof(x))
  6. #define    trace(x)    cout << #x << " = " << x << endl
  7. #define    bug         cout << "Bug check" << endl
  8. #define    endl        '\n'
  9.  
  10. using namespace std;
  11.  
  12. int main(){
  13. 	//freopen("in.txt","r", stdin);
  14. 	//freopen("out.txt","w", stdout);
  15.  
  16. 	//ios::sync_with_stdio(0);
  17. 	//cin.tie(0);
  18. 	long long n; cin >> n;
  19.  
  20. 	vector <int> v;
  21.  
  22. 	if(n==1){
  23. 		cout << "1" << endl;
  24. 		return 0;
  25. 	}
  26. 	else if(n==0){
  27. 		cout << "10" << endl;
  28. 		return 0;
  29. 	}
  30. 	for(int i=9;i>=2;i--){
  31. 		while(n%i==0){
  32. 			n=n/i;
  33. 			v.push_back(i);
  34. 		}
  35. 	}
  36. 	if(n==1){
  37. 		for(int i = v.size()-1; i>=0 ; i--){
  38. 			cout << v[i];
  39. 		}
  40. 		cout << endl;
  41. 	}
  42. 	else{
  43. 		cout << "-1" << endl;
  44. 	}
  45. 	return 0;
  46. }
Success #stdin #stdout 0s 4468KB
comments (?)
stdin
copy 
10
stdout
copy 
25
https://ideone.com/709cog
language:
C++ (gcc 8.3)
created:
4 years ago
visibility:
secret

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!