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  1. program Collatz;
  2. var n : LongWord;
  3. begin
  4. 	repeat
  5. 		write ('Enter an integer greater than 1: ');
  6. 		readln(n);
  7. 	until n > 1;
  8. 	repeat
  9. 		write(n, ' ');
  10. 		if n mod 2 = 0 then n := n div 2 else n := 3 * n + 1;
  11. 	until n = 1;
  12. 	writeln(n);
  13. end.
Success #stdin #stdout 0.01s 5332KB
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stdin
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7
stdout
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Enter an integer greater than 1: 7 22 11 34 17 52 26 13 40 20 10 5 16 8 4 2 1
https://ideone.com/a4ta06
language:
Pascal (gpc 20070904)
created:
4 days ago
visibility:
public

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