fork(1) download
copy 
  1. #include <iostream>
  2. #include <algorithm>
  3. using namespace std;
  4.  
  5. int getLength(int n)
  6. {
  7. 	if(n == 1) return 1;
  8. 	if(n%2 == 0) return getLength(n/2)+1;
  9. 	else return getLength(3*n+1)+1;
  10. }
  11.  
  12. int main()
  13. {
  14. 	int i, j; while(cin >> i >> j) {
  15. 		int currMax = 0;
  16. 		for(int n = min(i, j); n <= max(i, j); n++)
  17. 			currMax = max(currMax, getLength(n));
  18. 		cout << i << ' ' << j << ' ' << currMax << '\n';
  19. 	}
  20. 	return 0;
  21. }
Success #stdin #stdout 0s 4504KB
comments (?)
stdin
copy 
1 10
100 200
201 210
900 1000
stdout
copy 
1 10 20
100 200 125
201 210 89
900 1000 174
https://ideone.com/fsyca5
language:
C++14 (gcc 8.3)
created:
6 years 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!