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  1. import java.util.*;
  2. import java.lang.*;
  3. import java.io.*;
  4. import static java.lang.Math.*;
  5.  
  6. class Main
  7. {
  8. 	public static void main (String[] args) throws java.lang.Exception
  9. 	{
  10. 		int i, j, ait;
  11. 		Scanner scan = new Scanner(System.in);
  12. 		while(scan.hasNext()) {
  13. 			i = scan.nextInt();
  14. 			j = scan.nextInt();
  15. 			int it, maxIt;
  16. 			maxIt = 0;
  17. 			for (int a = min(i, j); a <= max(i, j); a++) {
  18. 				it = 1;
  19. 				ait = a;
  20. 				while(ait != 1){
  21. 					if(ait % 2 == 1){
  22. 						ait = ait * 3 + 1;
  23. 					}
  24. 					else{
  25. 						ait = ait / 2;
  26. 					}
  27. 					it++;
  28. 				}
  29. 				if (it > maxIt) {
  30. 					maxIt = it;
  31. 				}
  32. 			}
  33. 			System.out.println(i + " " + j + " " + maxIt);
  34. 		}
  35. 	}
  36. }
Success #stdin #stdout 0.06s 2184192KB
comments (?)
stdin
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1 10
100 200
201 210
900 1000
stdout
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1 10 20
100 200 125
201 210 89
900 1000 174
https://ideone.com/r4KBWG
419 Java
language:
Java (HotSpot 12)
created:
6 years ago
visibility:
secret

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