fork download
copy 
  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4. int main() {
  5. 	int n;
  6. 	cin >> n;
  7. 	int sn = sqrt(n);
  8. 	bool first_output = true;
  9. 	for(int i = 2; i <= sn; i++){
  10. 		if(n % i == 0){
  11. 			int cnt = 0;
  12. 			while(n % i == 0){
  13. 				n /= i;
  14. 				cnt++;
  15. 			}
  16.  
  17. 			if(!first_output){
  18. 				cout << " * ";
  19. 			}
  20. 			cout << i;
  21. 			if(cnt > 1){
  22. 				cout << '^' << cnt;
  23. 			}
  24.  
  25. 			first_output = false;
  26. 		}
  27. 	}
  28. 	if(n != 1 || first_output){
  29. 		if(!first_output){
  30. 			cout << " * ";
  31. 		}
  32. 		cout << n;
  33. 	}
  34. 	cout << endl;
  35. 	return 0;
  36. }
Success #stdin #stdout 0s 5320KB
comments (?)
stdin
copy 
2000000014
stdout
copy 
2 * 1000000007
https://ideone.com/JF1Jrx
language:
C++ (gcc 8.3)
created:
10 hours ago
visibility:
public

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!